Rx interation messages missing in VoLTE call

[ganeshg87]

Hi @herlesupreeth ,

I tried VoLTE call with Real Devices with 4G Deployment, audio /video call successful but I dont see Rx messages between PCSCF and PCRF. Observed below error logs in PCSCF:

^[[0;39;49m^[[0;36;49m94(132) INFO: cdp [receiver.c:807]: receive_loop(): select_recv(): [pcrf.epc.mnc001.mcc001.3gppnetwork.org] read on socket [33] returned 0 > ... dropping ^[[0;39;49m^[[0;36;49m94(132) INFO: cdp [receiver.c:222]: disconnect_serviced_peer(): drop_serviced_peer(): [pcrf.epc.mnc001.mcc001.3gppnetwork.org] Disconnecting from peer

am I missing any configuration to trigger Rx messages from PCSCF..?

Thank you Ganesh

[ganeshg87]

please find attached PCSCF pcap traces pcscf.zip

[herlesupreeth]

Thanks for the logs. I dont see any diameter message exchanged in the pcap attached. Please do the following and send me the trace

1. Bring down all the components
2. Start wireshark/tcpdump
3. Deploy EPC + IMS components
4. Start eNB
5. Attach UE
6. Attempt a call
7. Stop the trace and attach here

[ganeshg87]

@herlesupreeth , thank you for your response. I have executed attach procedure and tested the VoLTE call. please have a look call.zip

[ganeshg87]

I see below in pcscf.cfg file related to RX interface, this means Is Rx enabled/disabled?

!define WITH_RX

!define WITH_RX_REG

!define WITH_RX_CALL

[herlesupreeth]

In the attached pcap I still dont see any communication between P-CSCF and PCRF, are you sure P-CSCF is running? Please send the logs

I see below in pcscf.cfg file related to RX interface, this means Is Rx enabled/disabled?

!define WITH_RX

!define WITH_RX_REG

!define WITH_RX_CALL

This means its enabled

[ganeshg87]

Hi @herlesupreeth,

I apologize for the delay in response. I wasn't feeling well and couldn't dedicate time to test end-to-end (E2E).

In the attached pcap tested again, I still don't observe any communication between P-CSCF and PCRF. The problem lies in the absence of RX Diameter messages between PCSCF and PCRF.

I see below error in PCSCF docker container logs. suggest me anything I missing to configure. volte_call.zip

Thank you Ganesh

[herlesupreeth]

In your pcap I see the communication between PCSCF and PCRF (notice that its Diameter over TCP)

[ganeshg87]

Thank you verymuch @herlesupreeth. got it now.it was great support