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How to request a key frame using RTCP #1303

Closed fengao1004 closed 3 years ago

fengao1004 commented 3 years ago

When I use LinPhone to make a video call, the server will only send the key frame once. When RTP loses data packets, the video cannot continue to play. When this happens, I want to request a key frame from the RTP server. What should I do

Viish commented 3 years ago

Hi, RTCP is enabled by default, and all or decoders will send a notification for the remote end of the call to send a new key frame in case of error. Cheers,

fengao1004 commented 3 years ago

But after I grabbed all the data, I did not find the RTCP data requesting the key frame. The device of 192.168.1.243 is the local device, and the device of 103.20.114.2 is the remote device. You can only see that the remote device has sent two FIR commands. The local device did not send. The following is the RTCP log obtained through tcpdump。

No. Time Source Destination Protocol Length Info 310 2021-03-03 14:31:09.183189 192.168.1.243 103.20.114.2 RTCP 294 Sender Report Source description

Frame 310: 294 bytes on wire (2352 bits), 294 bytes captured (2352 bits) Ethernet II, Src: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9), Dst: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4) Internet Protocol Version 4, Src: 192.168.1.243, Dst: 103.20.114.2 User Datagram Protocol, Src Port: 7079, Dst Port: 22221 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 96)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x2c4ae1cc (743104972) Timestamp, MSW: 3823741869 (0xe3e9abad) Timestamp, LSW: 785235985 (0x2ecdc011) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:31:09.182826999 UTC] RTP timestamp: 89312922 Sender's packet count: 99 Sender's octet count: 15840 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 96)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 49 (200 bytes) Chunk 1, SSRC/CSRC 0x2C4AE1CC [RTCP frame length check: OK - 252 bytes]

No. Time Source Destination Protocol Length Info 611 2021-03-03 14:31:12.183341 192.168.1.243 103.20.114.2 RTCP 294 Sender Report Source description

Frame 611: 294 bytes on wire (2352 bits), 294 bytes captured (2352 bits) Ethernet II, Src: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9), Dst: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4) Internet Protocol Version 4, Src: 192.168.1.243, Dst: 103.20.114.2 User Datagram Protocol, Src Port: 7079, Dst Port: 22221 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x2c4ae1cc (743104972) Timestamp, MSW: 3823741872 (0xe3e9abb0) Timestamp, LSW: 786928202 (0x2ee7924a) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:31:12.183220999 UTC] RTP timestamp: 89335962 Sender's packet count: 243 Sender's octet count: 38880 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 49 (200 bytes) Chunk 1, SSRC/CSRC 0x2C4AE1CC [RTCP frame length check: OK - 252 bytes]

No. Time Source Destination Protocol Length Info 637 2021-03-03 14:31:12.579856 103.20.114.2 192.168.1.243 RTCP 118 Sender Report Source description Payload-specific Feedback FIR

Frame 637: 118 bytes on wire (944 bits), 118 bytes captured (944 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22223, Dst Port: 9079 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0000 = Reception report count: 0 Packet type: Sender Report (200) Length: 6 (28 bytes) Sender SSRC: 0x9c490989 (2622032265) Timestamp, MSW: 3823740310 (0xe3e9a596) Timestamp, LSW: 1488357756 (0x58b6897c) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:05:10.346535294 UTC] RTP timestamp: 0 Sender's packet count: 0 Sender's octet count: 0 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 6 (28 bytes) Chunk 1, SSRC/CSRC 0x9C490989 Real-time Transport Control Protocol (Payload-specific Feedback) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0100 = RTCP Feedback message type (FMT): Full Intra Request (FIR) Command (4) Packet type: Payload-specific Feedback (206) Length: 4 (20 bytes) Sender SSRC: 0x9c490989 (2622032265) Media source SSRC: 0x00000000 (0) FIR 1 [RTCP frame length check: OK - 76 bytes]

No. Time Source Destination Protocol Length Info 648 2021-03-03 14:31:12.674601 103.20.114.2 192.168.1.243 RTCP 118 Sender Report Source description Payload-specific Feedback FIR

Frame 648: 118 bytes on wire (944 bits), 118 bytes captured (944 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22223, Dst Port: 9079 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0000 = Reception report count: 0 Packet type: Sender Report (200) Length: 6 (28 bytes) Sender SSRC: 0x9c490989 (2622032265) Timestamp, MSW: 3823740310 (0xe3e9a596) Timestamp, LSW: 1908289752 (0x71be30d8) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:05:10.444308331 UTC] RTP timestamp: 0 Sender's packet count: 0 Sender's octet count: 0 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 6 (28 bytes) Chunk 1, SSRC/CSRC 0x9C490989 Real-time Transport Control Protocol (Payload-specific Feedback) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0100 = RTCP Feedback message type (FMT): Full Intra Request (FIR) Command (4) Packet type: Payload-specific Feedback (206) Length: 4 (20 bytes) Sender SSRC: 0x9c490989 (2622032265) Media source SSRC: 0x00000000 (0) FIR 1 [RTCP frame length check: OK - 76 bytes]

No. Time Source Destination Protocol Length Info 1172 2021-03-03 14:31:15.213319 192.168.1.243 103.20.114.2 RTCP 294 Sender Report Source description

Frame 1172: 294 bytes on wire (2352 bits), 294 bytes captured (2352 bits) Ethernet II, Src: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9), Dst: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4) Internet Protocol Version 4, Src: 192.168.1.243, Dst: 103.20.114.2 User Datagram Protocol, Src Port: 7079, Dst Port: 22221 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x2c4ae1cc (743104972) Timestamp, MSW: 3823741875 (0xe3e9abb3) Timestamp, LSW: 915343430 (0x368f0846) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:31:15.213119999 UTC] RTP timestamp: 89360282 Sender's packet count: 395 Sender's octet count: 63200 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 49 (200 bytes) Chunk 1, SSRC/CSRC 0x2C4AE1CC [RTCP frame length check: OK - 252 bytes]

No. Time Source Destination Protocol Length Info 1237 2021-03-03 14:31:15.518161 192.168.1.243 103.20.114.2 RTCP 294 Sender Report Source description

Frame 1237: 294 bytes on wire (2352 bits), 294 bytes captured (2352 bits) Ethernet II, Src: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9), Dst: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4) Internet Protocol Version 4, Src: 192.168.1.243, Dst: 103.20.114.2 User Datagram Protocol, Src Port: 9079, Dst Port: 22223 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x643c82d6 (1681687254) Timestamp, MSW: 3823741875 (0xe3e9abb3) Timestamp, LSW: 2224608375 (0x8498d477) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:31:15.517956999 UTC] RTP timestamp: 1791873615 Sender's packet count: 110 Sender's octet count: 110879 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 49 (200 bytes) Chunk 1, SSRC/CSRC 0x643C82D6 [RTCP frame length check: OK - 252 bytes]

No. Time Source Destination Protocol Length Info 1368 2021-03-03 14:31:16.016402 192.168.1.243 103.20.114.2 RTCP 166 Sender Report Source description Generic RTP Feedback

Frame 1368: 166 bytes on wire (1328 bits), 166 bytes captured (1328 bits) Ethernet II, Src: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9), Dst: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4) Internet Protocol Version 4, Src: 192.168.1.243, Dst: 103.20.114.2 User Datagram Protocol, Src Port: 9079, Dst Port: 22223 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x643c82d6 (1681687254) Timestamp, MSW: 3823741876 (0xe3e9abb4) Timestamp, LSW: 69247757 (0x0420a30d) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:31:16.016122999 UTC] RTP timestamp: 1791921315 Sender's packet count: 148 Sender's octet count: 153511 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 12 (52 bytes) Chunk 1, SSRC/CSRC 0x643C82D6 Real-time Transport Control Protocol (Generic RTP Feedback): TMMBR: 124823*2^7

No. Time Source Destination Protocol Length Info 1575 2021-03-03 14:31:17.062929 192.168.1.243 103.20.114.2 RTCP 294 Sender Report Source description

Frame 1575: 294 bytes on wire (2352 bits), 294 bytes captured (2352 bits) Ethernet II, Src: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9), Dst: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4) Internet Protocol Version 4, Src: 192.168.1.243, Dst: 103.20.114.2 User Datagram Protocol, Src Port: 7079, Dst Port: 22221 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x2c4ae1cc (743104972) Timestamp, MSW: 3823741877 (0xe3e9abb5) Timestamp, LSW: 269762600 (0x10144028) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:31:17.062808999 UTC] RTP timestamp: 89375002 Sender's packet count: 487 Sender's octet count: 77920 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 49 (200 bytes) Chunk 1, SSRC/CSRC 0x2C4AE1CC [RTCP frame length check: OK - 252 bytes]

No. Time Source Destination Protocol Length Info 1803 2021-03-03 14:31:18.166488 103.20.114.2 192.168.1.243 RTCP 102 Receiver Report Source description

Frame 1803: 102 bytes on wire (816 bits), 102 bytes captured (816 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22223, Dst Port: 9079 Real-time Transport Control Protocol (Receiver Report) Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 6 (28 bytes) Chunk 1, SSRC/CSRC 0x9C490989 [RTCP frame length check: OK - 60 bytes]

No. Time Source Destination Protocol Length Info 1804 2021-03-03 14:31:18.166803 103.20.114.2 192.168.1.243 RTCP 98 Sender Report Source description

Frame 1804: 98 bytes on wire (784 bits), 98 bytes captured (784 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22223, Dst Port: 9079 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0000 = Reception report count: 0 Packet type: Sender Report (200) Length: 6 (28 bytes) Sender SSRC: 0x9c490989 (2622032265) Timestamp, MSW: 3823740315 (0xe3e9a59b) Timestamp, LSW: 3917795804 (0xe984d1dc) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:05:15.912182918 UTC] RTP timestamp: 480600 Sender's packet count: 346 Sender's octet count: 379006 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 6 (28 bytes) Chunk 1, SSRC/CSRC 0x9C490989 [RTCP frame length check: OK - 56 bytes]

No. Time Source Destination Protocol Length Info 1903 2021-03-03 14:31:18.577876 103.20.114.2 192.168.1.243 RTCP 86 Receiver Report Source description

Frame 1903: 86 bytes on wire (688 bits), 86 bytes captured (688 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22221, Dst Port: 7079 Real-time Transport Control Protocol (Receiver Report) Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 2 (12 bytes) Chunk 1, SSRC/CSRC 0x66C1B544 [RTCP frame length check: OK - 44 bytes]

No. Time Source Destination Protocol Length Info 1904 2021-03-03 14:31:18.578000 103.20.114.2 192.168.1.243 RTCP 106 Sender Report Source description

Frame 1904: 106 bytes on wire (848 bits), 106 bytes captured (848 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22221, Dst Port: 7079 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x66c1b544 (1723970884) Timestamp, MSW: 3823740316 (0xe3e9a59c) Timestamp, LSW: 1380087360 (0x52427640) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:05:16.321326628 UTC] RTP timestamp: 48000 Sender's packet count: 300 Sender's octet count: 48000 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 2 (12 bytes) Chunk 1, SSRC/CSRC 0x66C1B544 [RTCP frame length check: OK - 64 bytes]

No. Time Source Destination Protocol Length Info 2012 2021-03-03 14:31:19.063495 192.168.1.243 103.20.114.2 RTCP 314 Sender Report Source description Generic RTP Feedback

Frame 2012: 314 bytes on wire (2512 bits), 314 bytes captured (2512 bits) Ethernet II, Src: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9), Dst: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4) Internet Protocol Version 4, Src: 192.168.1.243, Dst: 103.20.114.2 User Datagram Protocol, Src Port: 9079, Dst Port: 22223 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x643c82d6 (1681687254) Timestamp, MSW: 3823741879 (0xe3e9abb7) Timestamp, LSW: 270939421 (0x1026351d) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:31:19.063082999 UTC] RTP timestamp: 1792192215 Sender's packet count: 265 Sender's octet count: 274631 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 49 (200 bytes) Chunk 1, SSRC/CSRC 0x643C82D6 Real-time Transport Control Protocol (Generic RTP Feedback): TMMBR: 124823*2^7

No. Time Source Destination Protocol Length Info 2232 2021-03-03 14:31:20.003002 192.168.1.243 103.20.114.2 RTCP 294 Sender Report Source description

Frame 2232: 294 bytes on wire (2352 bits), 294 bytes captured (2352 bits) Ethernet II, Src: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9), Dst: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4) Internet Protocol Version 4, Src: 192.168.1.243, Dst: 103.20.114.2 User Datagram Protocol, Src Port: 7079, Dst Port: 22221 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x2c4ae1cc (743104972) Timestamp, MSW: 3823741880 (0xe3e9abb8) Timestamp, LSW: 12141872 (0x00b94530) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:31:20.002826999 UTC] RTP timestamp: 89398522 Sender's packet count: 634 Sender's octet count: 101440 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 49 (200 bytes) Chunk 1, SSRC/CSRC 0x2C4AE1CC [RTCP frame length check: OK - 252 bytes]

No. Time Source Destination Protocol Length Info 2841 2021-03-03 14:31:22.782864 192.168.1.243 103.20.114.2 RTCP 294 Sender Report Source description

Frame 2841: 294 bytes on wire (2352 bits), 294 bytes captured (2352 bits) Ethernet II, Src: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9), Dst: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4) Internet Protocol Version 4, Src: 192.168.1.243, Dst: 103.20.114.2 User Datagram Protocol, Src Port: 7079, Dst Port: 22221 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x2c4ae1cc (743104972) Timestamp, MSW: 3823741882 (0xe3e9abba) Timestamp, LSW: 3361413204 (0xc85b1854) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:31:22.782639999 UTC] RTP timestamp: 89420762 Sender's packet count: 773 Sender's octet count: 123680 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 49 (200 bytes) Chunk 1, SSRC/CSRC 0x2C4AE1CC [RTCP frame length check: OK - 252 bytes]

No. Time Source Destination Protocol Length Info 3068 2021-03-03 14:31:23.803919 192.168.1.243 103.20.114.2 RTCP 314 Sender Report Source description Generic RTP Feedback

Frame 3068: 314 bytes on wire (2512 bits), 314 bytes captured (2512 bits) Ethernet II, Src: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9), Dst: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4) Internet Protocol Version 4, Src: 192.168.1.243, Dst: 103.20.114.2 User Datagram Protocol, Src Port: 9079, Dst Port: 22223 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x643c82d6 (1681687254) Timestamp, MSW: 3823741883 (0xe3e9abbb) Timestamp, LSW: 3451766431 (0xcdbdc69f) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:31:23.803676999 UTC] RTP timestamp: 1792618815 Sender's packet count: 483 Sender's octet count: 493892 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 49 (200 bytes) Chunk 1, SSRC/CSRC 0x643C82D6 Real-time Transport Control Protocol (Generic RTP Feedback): TMMBR: 124823*2^7

No. Time Source Destination Protocol Length Info 3152 2021-03-03 14:31:24.206347 103.20.114.2 192.168.1.243 RTCP 102 Receiver Report Source description

Frame 3152: 102 bytes on wire (816 bits), 102 bytes captured (816 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22223, Dst Port: 9079 Real-time Transport Control Protocol (Receiver Report) Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 6 (28 bytes) Chunk 1, SSRC/CSRC 0x9C490989 [RTCP frame length check: OK - 60 bytes]

No. Time Source Destination Protocol Length Info 3153 2021-03-03 14:31:24.206373 103.20.114.2 192.168.1.243 RTCP 98 Sender Report Source description

Frame 3153: 98 bytes on wire (784 bits), 98 bytes captured (784 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22223, Dst Port: 9079 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0000 = Reception report count: 0 Packet type: Sender Report (200) Length: 6 (28 bytes) Sender SSRC: 0x9c490989 (2622032265) Timestamp, MSW: 3823740321 (0xe3e9a5a1) Timestamp, LSW: 3968422712 (0xec895338) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:05:21.923970414 UTC] RTP timestamp: 1021500 Sender's packet count: 793 Sender's octet count: 888926 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 6 (28 bytes) Chunk 1, SSRC/CSRC 0x9C490989 [RTCP frame length check: OK - 56 bytes]

No. Time Source Destination Protocol Length Info 3240 2021-03-03 14:31:24.578192 103.20.114.2 192.168.1.243 RTCP 86 Receiver Report Source description

Frame 3240: 86 bytes on wire (688 bits), 86 bytes captured (688 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22221, Dst Port: 7079 Real-time Transport Control Protocol (Receiver Report) Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 2 (12 bytes) Chunk 1, SSRC/CSRC 0x66C1B544 [RTCP frame length check: OK - 44 bytes]

No. Time Source Destination Protocol Length Info 3242 2021-03-03 14:31:24.578218 103.20.114.2 192.168.1.243 RTCP 106 Sender Report Source description

Frame 3242: 106 bytes on wire (848 bits), 106 bytes captured (848 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22221, Dst Port: 7079 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x66c1b544 (1723970884) Timestamp, MSW: 3823740322 (0xe3e9a5a2) Timestamp, LSW: 1260246116 (0x4b1dd464) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:05:22.293423914 UTC] RTP timestamp: 96000 Sender's packet count: 600 Sender's octet count: 96000 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 2 (12 bytes) Chunk 1, SSRC/CSRC 0x66C1B544 [RTCP frame length check: OK - 64 bytes]

No. Time Source Destination Protocol Length Info 3794 2021-03-03 14:31:27.187392 192.168.1.243 103.20.114.2 RTCP 314 Sender Report Source description Generic RTP Feedback

Frame 3794: 314 bytes on wire (2512 bits), 314 bytes captured (2512 bits) Ethernet II, Src: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9), Dst: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4) Internet Protocol Version 4, Src: 192.168.1.243, Dst: 103.20.114.2 User Datagram Protocol, Src Port: 9079, Dst Port: 22223 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x643c82d6 (1681687254) Timestamp, MSW: 3823741887 (0xe3e9abbf) Timestamp, LSW: 803919093 (0x2fead4f5) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:31:27.187176999 UTC] RTP timestamp: 1792925715 Sender's packet count: 630 Sender's octet count: 640625 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 49 (200 bytes) Chunk 1, SSRC/CSRC 0x643C82D6 Real-time Transport Control Protocol (Generic RTP Feedback): TMMBR: 124823*2^7

No. Time Source Destination Protocol Length Info 4030 2021-03-03 14:31:28.272759 192.168.1.243 103.20.114.2 RTCP 294 Sender Report Source description

Frame 4030: 294 bytes on wire (2352 bits), 294 bytes captured (2352 bits) Ethernet II, Src: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9), Dst: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4) Internet Protocol Version 4, Src: 192.168.1.243, Dst: 103.20.114.2 User Datagram Protocol, Src Port: 7079, Dst Port: 22221 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x2c4ae1cc (743104972) Timestamp, MSW: 3823741888 (0xe3e9abc0) Timestamp, LSW: 1171104437 (0x45cda2b5) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:31:28.272668999 UTC] RTP timestamp: 89464762 Sender's packet count: 1048 Sender's octet count: 167680 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 49 (200 bytes) Chunk 1, SSRC/CSRC 0x2C4AE1CC [RTCP frame length check: OK - 252 bytes]

No. Time Source Destination Protocol Length Info 4459 2021-03-03 14:31:30.246695 103.20.114.2 192.168.1.243 RTCP 102 Receiver Report Source description

Frame 4459: 102 bytes on wire (816 bits), 102 bytes captured (816 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22223, Dst Port: 9079 Real-time Transport Control Protocol (Receiver Report) Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 6 (28 bytes) Chunk 1, SSRC/CSRC 0x9C490989 [RTCP frame length check: OK - 60 bytes]

No. Time Source Destination Protocol Length Info 4460 2021-03-03 14:31:30.246775 103.20.114.2 192.168.1.243 RTCP 98 Sender Report Source description

Frame 4460: 98 bytes on wire (784 bits), 98 bytes captured (784 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22223, Dst Port: 9079 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0000 = Reception report count: 0 Packet type: Sender Report (200) Length: 6 (28 bytes) Sender SSRC: 0x9c490989 (2622032265) Timestamp, MSW: 3823740327 (0xe3e9a5a7) Timestamp, LSW: 4020936776 (0xefaaa048) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:05:27.936197297 UTC] RTP timestamp: 1568700 Sender's packet count: 1222 Sender's octet count: 1373606 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 6 (28 bytes) Chunk 1, SSRC/CSRC 0x9C490989 [RTCP frame length check: OK - 56 bytes]

No. Time Source Destination Protocol Length Info 4507 2021-03-03 14:31:30.477983 192.168.1.243 103.20.114.2 RTCP 314 Sender Report Source description Generic RTP Feedback

Frame 4507: 314 bytes on wire (2512 bits), 314 bytes captured (2512 bits) Ethernet II, Src: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9), Dst: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4) Internet Protocol Version 4, Src: 192.168.1.243, Dst: 103.20.114.2 User Datagram Protocol, Src Port: 9079, Dst Port: 22223 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x643c82d6 (1681687254) Timestamp, MSW: 3823741890 (0xe3e9abc2) Timestamp, LSW: 2051748826 (0x7a4b33da) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:31:30.477709999 UTC] RTP timestamp: 1793221815 Sender's packet count: 769 Sender's octet count: 782064 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 49 (200 bytes) Chunk 1, SSRC/CSRC 0x643C82D6 Real-time Transport Control Protocol (Generic RTP Feedback): TMMBR: 124823*2^7

No. Time Source Destination Protocol Length Info 4531 2021-03-03 14:31:30.616230 103.20.114.2 192.168.1.243 RTCP 86 Receiver Report Source description

Frame 4531: 86 bytes on wire (688 bits), 86 bytes captured (688 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22221, Dst Port: 7079 Real-time Transport Control Protocol (Receiver Report) Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 2 (12 bytes) Chunk 1, SSRC/CSRC 0x66C1B544 [RTCP frame length check: OK - 44 bytes]

No. Time Source Destination Protocol Length Info 4533 2021-03-03 14:31:30.616235 103.20.114.2 192.168.1.243 RTCP 106 Sender Report Source description

Frame 4533: 106 bytes on wire (848 bits), 106 bytes captured (848 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22221, Dst Port: 7079 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x66c1b544 (1723970884) Timestamp, MSW: 3823740328 (0xe3e9a5a8) Timestamp, LSW: 1140376220 (0x43f8c29c) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:05:28.265514529 UTC] RTP timestamp: 144000 Sender's packet count: 900 Sender's octet count: 144000 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 2 (12 bytes) Chunk 1, SSRC/CSRC 0x66C1B544 [RTCP frame length check: OK - 64 bytes]

No. Time Source Destination Protocol Length Info 4933 2021-03-03 14:31:32.474487 192.168.1.243 103.20.114.2 RTCP 294 Sender Report Source description

Frame 4933: 294 bytes on wire (2352 bits), 294 bytes captured (2352 bits) Ethernet II, Src: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9), Dst: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4) Internet Protocol Version 4, Src: 192.168.1.243, Dst: 103.20.114.2 User Datagram Protocol, Src Port: 7079, Dst Port: 22221 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x2c4ae1cc (743104972) Timestamp, MSW: 3823741892 (0xe3e9abc4) Timestamp, LSW: 2037025679 (0x796a8b8f) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:31:32.474281999 UTC] RTP timestamp: 89498362 Sender's packet count: 1258 Sender's octet count: 201280 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 49 (200 bytes) Chunk 1, SSRC/CSRC 0x2C4AE1CC [RTCP frame length check: OK - 252 bytes]

No. Time Source Destination Protocol Length Info 5312 2021-03-03 14:31:34.197406 192.168.1.243 103.20.114.2 RTCP 314 Sender Report Source description Generic RTP Feedback

Frame 5312: 314 bytes on wire (2512 bits), 314 bytes captured (2512 bits) Ethernet II, Src: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9), Dst: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4) Internet Protocol Version 4, Src: 192.168.1.243, Dst: 103.20.114.2 User Datagram Protocol, Src Port: 9079, Dst Port: 22223 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x643c82d6 (1681687254) Timestamp, MSW: 3823741894 (0xe3e9abc6) Timestamp, LSW: 847062040 (0x327d2418) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:31:34.197221999 UTC] RTP timestamp: 1793548515 Sender's packet count: 930 Sender's octet count: 949306 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 49 (200 bytes) Chunk 1, SSRC/CSRC 0x643C82D6 Real-time Transport Control Protocol (Generic RTP Feedback): TMMBR: 124823*2^7

No. Time Source Destination Protocol Length Info 5734 2021-03-03 14:31:36.287215 103.20.114.2 192.168.1.243 RTCP 102 Receiver Report Source description

Frame 5734: 102 bytes on wire (816 bits), 102 bytes captured (816 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22223, Dst Port: 9079 Real-time Transport Control Protocol (Receiver Report) Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 6 (28 bytes) Chunk 1, SSRC/CSRC 0x9C490989 [RTCP frame length check: OK - 60 bytes]

No. Time Source Destination Protocol Length Info 5735 2021-03-03 14:31:36.287341 103.20.114.2 192.168.1.243 RTCP 98 Sender Report Source description

Frame 5735: 98 bytes on wire (784 bits), 98 bytes captured (784 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22223, Dst Port: 9079 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0000 = Reception report count: 0 Packet type: Sender Report (200) Length: 6 (28 bytes) Sender SSRC: 0x9c490989 (2622032265) Timestamp, MSW: 3823740333 (0xe3e9a5ad) Timestamp, LSW: 4072608684 (0xf2bf13ac) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:05:33.948228101 UTC] RTP timestamp: 2174400 Sender's packet count: 1649 Sender's octet count: 1853700 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 6 (28 bytes) Chunk 1, SSRC/CSRC 0x9C490989 [RTCP frame length check: OK - 56 bytes]

No. Time Source Destination Protocol Length Info 5801 2021-03-03 14:31:36.578258 103.20.114.2 192.168.1.243 RTCP 86 Receiver Report Source description

Frame 5801: 86 bytes on wire (688 bits), 86 bytes captured (688 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22221, Dst Port: 7079 Real-time Transport Control Protocol (Receiver Report) Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 2 (12 bytes) Chunk 1, SSRC/CSRC 0x66C1B544 [RTCP frame length check: OK - 44 bytes]

No. Time Source Destination Protocol Length Info 5802 2021-03-03 14:31:36.578324 103.20.114.2 192.168.1.243 RTCP 106 Sender Report Source description

Frame 5802: 106 bytes on wire (848 bits), 106 bytes captured (848 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22221, Dst Port: 7079 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x66c1b544 (1723970884) Timestamp, MSW: 3823740334 (0xe3e9a5ae) Timestamp, LSW: 1020736072 (0x3cd73248) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:05:34.237658636 UTC] RTP timestamp: 192000 Sender's packet count: 1200 Sender's octet count: 192000 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 2 (12 bytes) Chunk 1, SSRC/CSRC 0x66C1B544 [RTCP frame length check: OK - 64 bytes]

No. Time Source Destination Protocol Length Info 6073 2021-03-03 14:31:37.830099 192.168.1.243 103.20.114.2 RTCP 314 Sender Report Source description Generic RTP Feedback

Frame 6073: 314 bytes on wire (2512 bits), 314 bytes captured (2512 bits) Ethernet II, Src: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9), Dst: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4) Internet Protocol Version 4, Src: 192.168.1.243, Dst: 103.20.114.2 User Datagram Protocol, Src Port: 9079, Dst Port: 22223 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x643c82d6 (1681687254) Timestamp, MSW: 3823741897 (0xe3e9abc9) Timestamp, LSW: 3564217265 (0xd471a3b1) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:31:37.829858999 UTC] RTP timestamp: 1793885115 Sender's packet count: 1089 Sender's octet count: 1111437 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 49 (200 bytes) Chunk 1, SSRC/CSRC 0x643C82D6 Real-time Transport Control Protocol (Generic RTP Feedback): TMMBR: 124823*2^7

No. Time Source Destination Protocol Length Info 6207 2021-03-03 14:31:38.402590 192.168.1.243 103.20.114.2 RTCP 294 Sender Report Source description

Frame 6207: 294 bytes on wire (2352 bits), 294 bytes captured (2352 bits) Ethernet II, Src: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9), Dst: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4) Internet Protocol Version 4, Src: 192.168.1.243, Dst: 103.20.114.2 User Datagram Protocol, Src Port: 7079, Dst Port: 22221 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x2c4ae1cc (743104972) Timestamp, MSW: 3823741898 (0xe3e9abca) Timestamp, LSW: 1728432278 (0x6705c896) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:31:38.402431999 UTC] RTP timestamp: 89545722 Sender's packet count: 1554 Sender's octet count: 248640 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 49 (200 bytes) Chunk 1, SSRC/CSRC 0x2C4AE1CC [RTCP frame length check: OK - 252 bytes]

No. Time Source Destination Protocol Length Info 7039 2021-03-03 14:31:42.287765 192.168.1.243 103.20.114.2 RTCP 314 Sender Report Source description Generic RTP Feedback

Frame 7039: 314 bytes on wire (2512 bits), 314 bytes captured (2512 bits) Ethernet II, Src: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9), Dst: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4) Internet Protocol Version 4, Src: 192.168.1.243, Dst: 103.20.114.2 User Datagram Protocol, Src Port: 9079, Dst Port: 22223 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x643c82d6 (1681687254) Timestamp, MSW: 3823741902 (0xe3e9abce) Timestamp, LSW: 1234717198 (0x49984a0e) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:31:42.287479999 UTC] RTP timestamp: 1794280215 Sender's packet count: 1287 Sender's octet count: 1318524 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 49 (200 bytes) Chunk 1, SSRC/CSRC 0x643C82D6 Real-time Transport Control Protocol (Generic RTP Feedback): TMMBR: 124823*2^7

No. Time Source Destination Protocol Length Info 7051 2021-03-03 14:31:42.320978 103.20.114.2 192.168.1.243 RTCP 102 Receiver Report Source description

Frame 7051: 102 bytes on wire (816 bits), 102 bytes captured (816 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22223, Dst Port: 9079 Real-time Transport Control Protocol (Receiver Report) Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 6 (28 bytes) Chunk 1, SSRC/CSRC 0x9C490989 [RTCP frame length check: OK - 60 bytes]

No. Time Source Destination Protocol Length Info 7052 2021-03-03 14:31:42.321124 103.20.114.2 192.168.1.243 RTCP 98 Sender Report Source description

Frame 7052: 98 bytes on wire (784 bits), 98 bytes captured (784 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22223, Dst Port: 9079 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0000 = Reception report count: 0 Packet type: Sender Report (200) Length: 6 (28 bytes) Sender SSRC: 0x9c490989 (2622032265) Timestamp, MSW: 3823740339 (0xe3e9a5b3) Timestamp, LSW: 4096470292 (0xf42b2d14) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:05:39.953783814 UTC] RTP timestamp: 2727000 Sender's packet count: 2058 Sender's octet count: 2311579 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 6 (28 bytes) Chunk 1, SSRC/CSRC 0x9C490989 [RTCP frame length check: OK - 56 bytes]

No. Time Source Destination Protocol Length Info 7108 2021-03-03 14:31:42.578371 103.20.114.2 192.168.1.243 RTCP 86 Receiver Report Source description

Frame 7108: 86 bytes on wire (688 bits), 86 bytes captured (688 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22221, Dst Port: 7079 Real-time Transport Control Protocol (Receiver Report) Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 2 (12 bytes) Chunk 1, SSRC/CSRC 0x66C1B544 [RTCP frame length check: OK - 44 bytes]

No. Time Source Destination Protocol Length Info 7109 2021-03-03 14:31:42.578461 103.20.114.2 192.168.1.243 RTCP 106 Sender Report Source description

Frame 7109: 106 bytes on wire (848 bits), 106 bytes captured (848 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22221, Dst Port: 7079 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x66c1b544 (1723970884) Timestamp, MSW: 3823740340 (0xe3e9a5b4) Timestamp, LSW: 900907900 (0x35b2c37c) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:05:40.209758966 UTC] RTP timestamp: 240000 Sender's packet count: 1500 Sender's octet count: 240000 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 2 (12 bytes) Chunk 1, SSRC/CSRC 0x66C1B544 [RTCP frame length check: OK - 64 bytes]

No. Time Source Destination Protocol Length Info 7411 2021-03-03 14:31:43.992925 192.168.1.243 103.20.114.2 RTCP 294 Sender Report Source description

Frame 7411: 294 bytes on wire (2352 bits), 294 bytes captured (2352 bits) Ethernet II, Src: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9), Dst: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4) Internet Protocol Version 4, Src: 192.168.1.243, Dst: 103.20.114.2 User Datagram Protocol, Src Port: 7079, Dst Port: 22221 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x2c4ae1cc (743104972) Timestamp, MSW: 3823741903 (0xe3e9abcf) Timestamp, LSW: 4263257552 (0xfe1c25d0) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:31:43.992616999 UTC] RTP timestamp: 89590362 Sender's packet count: 1833 Sender's octet count: 293280 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 49 (200 bytes) Chunk 1, SSRC/CSRC 0x2C4AE1CC [RTCP frame length check: OK - 252 bytes]

No. Time Source Destination Protocol Length Info 7744 2021-03-03 14:31:45.528847 192.168.1.243 103.20.114.2 RTCP 314 Sender Report Source description Generic RTP Feedback

Frame 7744: 314 bytes on wire (2512 bits), 314 bytes captured (2512 bits) Ethernet II, Src: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9), Dst: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4) Internet Protocol Version 4, Src: 192.168.1.243, Dst: 103.20.114.2 User Datagram Protocol, Src Port: 9079, Dst Port: 22223 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x643c82d6 (1681687254) Timestamp, MSW: 3823741905 (0xe3e9abd1) Timestamp, LSW: 2268309667 (0x8733a8a3) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:31:45.528131999 UTC] RTP timestamp: 1794576315 Sender's packet count: 1431 Sender's octet count: 1467899 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 49 (200 bytes) Chunk 1, SSRC/CSRC 0x643C82D6 Real-time Transport Control Protocol (Generic RTP Feedback): TMMBR: 124823*2^7

No. Time Source Destination Protocol Length Info 8329 2021-03-03 14:31:48.361184 103.20.114.2 192.168.1.243 RTCP 102 Receiver Report Source description

Frame 8329: 102 bytes on wire (816 bits), 102 bytes captured (816 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22223, Dst Port: 9079 Real-time Transport Control Protocol (Receiver Report) Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 6 (28 bytes) Chunk 1, SSRC/CSRC 0x9C490989 [RTCP frame length check: OK - 60 bytes]

No. Time Source Destination Protocol Length Info 8330 2021-03-03 14:31:48.361201 103.20.114.2 192.168.1.243 RTCP 98 Sender Report Source description

Frame 8330: 98 bytes on wire (784 bits), 98 bytes captured (784 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22223, Dst Port: 9079 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0000 = Reception report count: 0 Packet type: Sender Report (200) Length: 6 (28 bytes) Sender SSRC: 0x9c490989 (2622032265) Timestamp, MSW: 3823740345 (0xe3e9a5b9) Timestamp, LSW: 4150284792 (0xf76051f8) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:05:45.966313479 UTC] RTP timestamp: 3267900 Sender's packet count: 2450 Sender's octet count: 2755643 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 6 (28 bytes) Chunk 1, SSRC/CSRC 0x9C490989 [RTCP frame length check: OK - 56 bytes]

No. Time Source Destination Protocol Length Info 8381 2021-03-03 14:31:48.583070 103.20.114.2 192.168.1.243 RTCP 86 Receiver Report Source description

Frame 8381: 86 bytes on wire (688 bits), 86 bytes captured (688 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22221, Dst Port: 7079 Real-time Transport Control Protocol (Receiver Report) Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 2 (12 bytes) Chunk 1, SSRC/CSRC 0x66C1B544 [RTCP frame length check: OK - 44 bytes]

No. Time Source Destination Protocol Length Info 8382 2021-03-03 14:31:48.583266 103.20.114.2 192.168.1.243 RTCP 106 Sender Report Source description

Frame 8382: 106 bytes on wire (848 bits), 106 bytes captured (848 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22221, Dst Port: 7079 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x66c1b544 (1723970884) Timestamp, MSW: 3823740346 (0xe3e9a5ba) Timestamp, LSW: 781056776 (0x2e8dfb08) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:05:46.181853951 UTC] RTP timestamp: 288000 Sender's packet count: 1800 Sender's octet count: 288000 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 2 (12 bytes) Chunk 1, SSRC/CSRC 0x66C1B544 [RTCP frame length check: OK - 64 bytes]

No. Time Source Destination Protocol Length Info 8671 2021-03-03 14:31:50.084474 192.168.1.243 103.20.114.2 RTCP 294 Sender Report Source description

Frame 8671: 294 bytes on wire (2352 bits), 294 bytes captured (2352 bits) Ethernet II, Src: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9), Dst: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4) Internet Protocol Version 4, Src: 192.168.1.243, Dst: 103.20.114.2 User Datagram Protocol, Src Port: 7079, Dst Port: 22221 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x2c4ae1cc (743104972) Timestamp, MSW: 3823741910 (0xe3e9abd6) Timestamp, LSW: 361584706 (0x158d5842) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:31:50.084187999 UTC] RTP timestamp: 89638842 Sender's packet count: 2100 Sender's octet count: 341920 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 49 (200 bytes) Chunk 1, SSRC/CSRC 0x2C4AE1CC [RTCP frame length check: OK - 252 bytes]

No. Time Source Destination Protocol Length Info 8678 2021-03-03 14:31:50.107764 192.168.1.243 103.20.114.2 RTCP 314 Sender Report Source description Generic RTP Feedback

Frame 8678: 314 bytes on wire (2512 bits), 314 bytes captured (2512 bits) Ethernet II, Src: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9), Dst: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4) Internet Protocol Version 4, Src: 192.168.1.243, Dst: 103.20.114.2 User Datagram Protocol, Src Port: 9079, Dst Port: 22223 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x643c82d6 (1681687254) Timestamp, MSW: 3823741910 (0xe3e9abd6) Timestamp, LSW: 461575840 (0x1b8316a0) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:31:50.107468999 UTC] RTP timestamp: 1794984915 Sender's packet count: 1629 Sender's octet count: 1670166 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 49 (200 bytes) Chunk 1, SSRC/CSRC 0x643C82D6 Real-time Transport Control Protocol (Generic RTP Feedback): TMMBR: 124823*2^7

No. Time Source Destination Protocol Length Info 9398 2021-03-03 14:31:53.787864 192.168.1.243 103.20.114.2 RTCP 314 Sender Report Source description Generic RTP Feedback

Frame 9398: 314 bytes on wire (2512 bits), 314 bytes captured (2512 bits) Ethernet II, Src: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9), Dst: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4) Internet Protocol Version 4, Src: 192.168.1.243, Dst: 103.20.114.2 User Datagram Protocol, Src Port: 9079, Dst Port: 22223 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x643c82d6 (1681687254) Timestamp, MSW: 3823741913 (0xe3e9abd9) Timestamp, LSW: 3383184393 (0xc9a74c09) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:31:53.787708999 UTC] RTP timestamp: 1795320615 Sender's packet count: 1799 Sender's octet count: 1846947 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 49 (200 bytes) Chunk 1, SSRC/CSRC 0x643C82D6 Real-time Transport Control Protocol (Generic RTP Feedback): TMMBR: 124823*2^7

No. Time Source Destination Protocol Length Info 9505 2021-03-03 14:31:54.323014 192.168.1.243 103.20.114.2 RTCP 294 Sender Report Source description

Frame 9505: 294 bytes on wire (2352 bits), 294 bytes captured (2352 bits) Ethernet II, Src: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9), Dst: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4) Internet Protocol Version 4, Src: 192.168.1.243, Dst: 103.20.114.2 User Datagram Protocol, Src Port: 7079, Dst Port: 22221 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x2c4ae1cc (743104972) Timestamp, MSW: 3823741914 (0xe3e9abda) Timestamp, LSW: 1386204989 (0x529fcf3d) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:31:54.322750999 UTC] RTP timestamp: 89672762 Sender's packet count: 2206 Sender's octet count: 375840 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 49 (200 bytes) Chunk 1, SSRC/CSRC 0x2C4AE1CC [RTCP frame length check: OK - 252 bytes]

No. Time Source Destination Protocol Length Info 9517 2021-03-03 14:31:54.396094 103.20.114.2 192.168.1.243 RTCP 102 Receiver Report Source description

Frame 9517: 102 bytes on wire (816 bits), 102 bytes captured (816 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22223, Dst Port: 9079 Real-time Transport Control Protocol (Receiver Report) Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 6 (28 bytes) Chunk 1, SSRC/CSRC 0x9C490989 [RTCP frame length check: OK - 60 bytes]

No. Time Source Destination Protocol Length Info 9518 2021-03-03 14:31:54.396278 103.20.114.2 192.168.1.243 RTCP 98 Sender Report Source description

Frame 9518: 98 bytes on wire (784 bits), 98 bytes captured (784 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22223, Dst Port: 9079 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0000 = Reception report count: 0 Packet type: Sender Report (200) Length: 6 (28 bytes) Sender SSRC: 0x9c490989 (2622032265) Timestamp, MSW: 3823740351 (0xe3e9a5bf) Timestamp, LSW: 4180115972 (0xf9278204) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:05:51.973259092 UTC] RTP timestamp: 3834000 Sender's packet count: 2883 Sender's octet count: 3239182 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 6 (28 bytes) Chunk 1, SSRC/CSRC 0x9C490989 [RTCP frame length check: OK - 56 bytes]

No. Time Source Destination Protocol Length Info 9548 2021-03-03 14:31:54.578067 103.20.114.2 192.168.1.243 RTCP 86 Receiver Report Source description

Frame 9548: 86 bytes on wire (688 bits), 86 bytes captured (688 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22221, Dst Port: 7079 Real-time Transport Control Protocol (Receiver Report) Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 2 (12 bytes) Chunk 1, SSRC/CSRC 0x66C1B544 [RTCP frame length check: OK - 44 bytes]

No. Time Source Destination Protocol Length Info 9549 2021-03-03 14:31:54.578162 103.20.114.2 192.168.1.243 RTCP 106 Sender Report Source description

Frame 9549: 106 bytes on wire (848 bits), 106 bytes captured (848 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22221, Dst Port: 7079 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x66c1b544 (1723970884) Timestamp, MSW: 3823740352 (0xe3e9a5c0) Timestamp, LSW: 661415640 (0x276c66d8) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:05:52.153997829 UTC] RTP timestamp: 336000 Sender's packet count: 2100 Sender's octet count: 336000 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 2 (12 bytes) Chunk 1, SSRC/CSRC 0x66C1B544 [RTCP frame length check: OK - 64 bytes]

No. Time Source Destination Protocol Length Info 10209 2021-03-03 14:31:58.098548 192.168.1.243 103.20.114.2 RTCP 314 Sender Report Source description Generic RTP Feedback

Frame 10209: 314 bytes on wire (2512 bits), 314 bytes captured (2512 bits) Ethernet II, Src: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9), Dst: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4) Internet Protocol Version 4, Src: 192.168.1.243, Dst: 103.20.114.2 User Datagram Protocol, Src Port: 9079, Dst Port: 22223 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x643c82d6 (1681687254) Timestamp, MSW: 3823741918 (0xe3e9abde) Timestamp, LSW: 422856710 (0x19344806) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:31:58.098453999 UTC] RTP timestamp: 1795709415 Sender's packet count: 1971 Sender's octet count: 2021132 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 49 (200 bytes) Chunk 1, SSRC/CSRC 0x643C82D6 Real-time Transport Control Protocol (Generic RTP Feedback): TMMBR: 124823*2^7

No. Time Source Destination Protocol Length Info 10339 2021-03-03 14:31:58.813201 192.168.1.243 103.20.114.2 RTCP 294 Sender Report Source description

Frame 10339: 294 bytes on wire (2352 bits), 294 bytes captured (2352 bits) Ethernet II, Src: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9), Dst: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4) Internet Protocol Version 4, Src: 192.168.1.243, Dst: 103.20.114.2 User Datagram Protocol, Src Port: 7079, Dst Port: 22221 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x2c4ae1cc (743104972) Timestamp, MSW: 3823741918 (0xe3e9abde) Timestamp, LSW: 3490842044 (0xd01205bc) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:31:58.812774999 UTC] RTP timestamp: 89708602 Sender's packet count: 2318 Sender's octet count: 411680 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 49 (200 bytes) Chunk 1, SSRC/CSRC 0x2C4AE1CC [RTCP frame length check: OK - 252 bytes]

No. Time Source Destination Protocol Length Info 10664 2021-03-03 14:32:00.494071 103.20.114.2 192.168.1.243 RTCP 102 Receiver Report Source description

Frame 10664: 102 bytes on wire (816 bits), 102 bytes captured (816 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22223, Dst Port: 9079 Real-time Transport Control Protocol (Receiver Report) Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 6 (28 bytes) Chunk 1, SSRC/CSRC 0x9C490989 [RTCP frame length check: OK - 60 bytes]

No. Time Source Destination Protocol Length Info 10665 2021-03-03 14:32:00.494342 103.20.114.2 192.168.1.243 RTCP 98 Sender Report Source description

Frame 10665: 98 bytes on wire (784 bits), 98 bytes captured (784 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22223, Dst Port: 9079 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0000 = Reception report count: 0 Packet type: Sender Report (200) Length: 6 (28 bytes) Sender SSRC: 0x9c490989 (2622032265) Timestamp, MSW: 3823740358 (0xe3e9a5c6) Timestamp, LSW: 149689288 (0x08ec13c8) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:05:58.034852253 UTC] RTP timestamp: 4381200 Sender's packet count: 3303 Sender's octet count: 3718317 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 6 (28 bytes) Chunk 1, SSRC/CSRC 0x9C490989 [RTCP frame length check: OK - 56 bytes]

No. Time Source Destination Protocol Length Info 10676 2021-03-03 14:32:00.578096 103.20.114.2 192.168.1.243 RTCP 86 Receiver Report Source description

Frame 10676: 86 bytes on wire (688 bits), 86 bytes captured (688 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22221, Dst Port: 7079 Real-time Transport Control Protocol (Receiver Report) Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 2 (12 bytes) Chunk 1, SSRC/CSRC 0x66C1B544 [RTCP frame length check: OK - 44 bytes]

No. Time Source Destination Protocol Length Info 10677 2021-03-03 14:32:00.578209 103.20.114.2 192.168.1.243 RTCP 106 Sender Report Source description

Frame 10677: 106 bytes on wire (848 bits), 106 bytes captured (848 bits) Ethernet II, Src: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4), Dst: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9) Internet Protocol Version 4, Src: 103.20.114.2, Dst: 192.168.1.243 User Datagram Protocol, Src Port: 22221, Dst Port: 7079 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x66c1b544 (1723970884) Timestamp, MSW: 3823740358 (0xe3e9a5c6) Timestamp, LSW: 541570292 (0x2047b4f4) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:05:58.126094159 UTC] RTP timestamp: 384000 Sender's packet count: 2400 Sender's octet count: 384000 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 2 (12 bytes) Chunk 1, SSRC/CSRC 0x66C1B544 [RTCP frame length check: OK - 64 bytes]

No. Time Source Destination Protocol Length Info 10870 2021-03-03 14:32:01.589076 192.168.1.243 103.20.114.2 RTCP 314 Sender Report Source description Generic RTP Feedback

Frame 10870: 314 bytes on wire (2512 bits), 314 bytes captured (2512 bits) Ethernet II, Src: Motorola_94:7b:a9 (2c:fd:ab:94:7b:a9), Dst: HIWIFI_28:36:e4 (d4:ee:07:28:36:e4) Internet Protocol Version 4, Src: 192.168.1.243, Dst: 103.20.114.2 User Datagram Protocol, Src Port: 9079, Dst Port: 22223 Real-time Transport Control Protocol (Sender Report) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Reception report count: 1 Packet type: Sender Report (200) Length: 12 (52 bytes) Sender SSRC: 0x643c82d6 (1681687254) Timestamp, MSW: 3823741921 (0xe3e9abe1) Timestamp, LSW: 2528984118 (0x96bd3c36) [MSW and LSW as NTP timestamp: Mar 3, 2021 06:32:01.588824999 UTC] RTP timestamp: 1796020815 Sender's packet count: 2132 Sender's octet count: 2185743 Source 1 Real-time Transport Control Protocol (Source description) [Stream setup by SDP (frame 567)] 10.. .... = Version: RFC 1889 Version (2) ..0. .... = Padding: False ...0 0001 = Source count: 1 Packet type: Source description (202) Length: 49 (200 bytes) Chunk 1, SSRC/CSRC 0x643C82D6 Real-time Transport Control Protocol (Generic RTP Feedback): TMMBR: 124823*2^7

Viish commented 3 years ago

Please attach logs from linphone app (enable debug logs in advanced settings first)

fengao1004 commented 3 years ago

The following logs include starting LinPhone App, SIP registration, answering sip calls, starting the video, and the video surface is not drawing (the remote video window stops at the last frame, but the RTP data is normal at this time. This is also the main problem I want to solve ),hang up the phone. log.pdf

Viish commented 3 years ago

Please use the upload logs button in the About page and copy/paste the link here. Logs in pdf files are horrible to read.

fengao1004 commented 3 years ago

https://www.linphone.org:444//tmp/603f5fb077a05_770afc82d37a3c7f80ef.gz

Viish commented 3 years ago

As you can see in the logs, we do request a key frame:

2021-03-03 17:37:49:030 [/mediastreamer] ERROR MediaCodecDecoder: waiting for key frame.
2021-03-03 17:37:49:031 [/mediastreamer] MESSAGE Request sending of PLI on videostream [0xc8cee680]

Problem is either the key frame is always lost, or the remote end of the call doesn't react upon the PLI request.

You should also enable AVPF if remote device supports it, it will increase the call quality.

Also you are using an alpha version of the SDK, I recommend to either downgrade to latest release 4.4.x or at least update to latest 4.5-beta version.

fengao1004 commented 3 years ago

Is there a way to send a custom RTCP message at the application layer, and is there a way to get the IP and port of the RTP remote server? According to my colleague, the RTP server I am using may not be a standard RTP server, so I may need to send some strange RTCP messages.