problems with incoming calls from fritzbox

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Android 1.6, sipdroid 1.3-14; HTC Tattoo
2. Fritzbox as SIP-Server and mobile as client
3. Outgoing calls are ok
4. If a call comes in, the bell rings one time, then i can see the symbol of a 
missed call and the following output message

What is the expected output? What do you see instead?
"Codes incompatible"

What version of the product are you using? On what operating system?
see at step 1

Which SIP server are you using? What happens with PBXes?
a Fritzbox Fon WLAN 7270 as SIP-Server
PBXes is from my ISP not possible, sorry

Which type of network are you using?
WLAN

Please provide any additional information below.
TCP or UDP is irrelevant

Original issue reported on code.google.com by alexan...@macwinlin.de on 19 Feb 2010 at 6:45

[GoogleCodeExporter]

Original comment by pmerl...@googlemail.com on 20 Mar 2010 at 8:55

• Changed state: Duplicate

[GoogleCodeExporter]

Original comment by pmerl...@googlemail.com on 29 Mar 2010 at 5:20

• Changed state: Fixed