[Spce-user] Spce-user Digest, Vol 26, Issue 8

[Nogie Ekunwe]

Thank you so much! That was exactly the issue. A community member (Vincent) responded earlier and he was able to guide me to the solution. I really appreciate the responses.

Thanks

Sent from my iPhone

> On Aug 16, 2021, at 11:02 AM, spce-user-request at lists.sipwise.com wrote:
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> Today's Topics:
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>   1. Re: No audio between subscribers (Alex Lutay)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Mon, 16 Aug 2021 10:10:37 +0200
> From: Alex Lutay <alutay at sipwise.com>
> To: spce-user at lists.sipwise.com
> Subject: Re: [Spce-user] No audio between subscribers
> Message-ID: <e6a61717-5553-e16a-8efd-32f81107decf at sipwise.com>
> Content-Type: text/plain; charset=utf-8; format=flowed
> 
> Dear Edo,
> 
> Please use one thread to discuss your issue,
> at the moment you have created 3 non-related threads
>> https://lists.sipwise.com/pipermail/spce-user_lists.sipwise.com/2021-August/thread.html
> 
> The RTF files you have shared is not the base way to share SIP dumps.
> Please consider to use tool "sngrep" where you can filter
> for the specific call and export it as tcpdump binary file.
> At the moment RTF files contain a lot of unnecessary OPTIONs and 
> REGISTER SIP messages and barely readable.
> 
> Anyway from the RTF files, NGCP should use primary G722 codec for the call:
> 
> A => NGCP:
> 
> c=IN IP4 192.168.1.17
> m=audio 4010 RTP/AVP 9 0 8 3 102 120 101
> a=rtpmap:9 G722/8000
> 
> 
> B => NGCP:
> 
> o=- 0 1 IN IP4 192.168.0.250
> m=audio 4008 RTP/AVP 9 101
> a=rtpmap:9 G722/8000
> 
> 
> NGCP => A:
> 
> c=IN IP4 127.0.0.1
> m=audio 30140 RTP/AVP 9 101
> a=rtpmap:9 G722/8000
> 
> For some reason RTPengine set 127.0.0.1 as a NGCP IP,
> are you sure sip_ext network type is properly assigned in network.yml 
> config?
> 
> See more information in NGCP documentation:
> 
> https://www.sipwise.com/doc/mr9.5.1/spce/ce/mr9.5.1/network-config/network-config.html
> 
> As you can see, here rtpengine is talking to himself on localhost:
> 
>> Aug  9 04:23:16 spce rtpengine[831]: INFO: [?tsg5T28gIKNxM6drC3HUlw..?]: [core] --------- Port       127.0.0.1:30176 <> ?      127.0.0.1:8001 ?, SSRC ?0?, 0 p, 0 b, 0 e, 60 ts
>> 
>> Aug  9 04:23:16 spce rtpengine[831]: INFO: [?tsg5T28gIKNxM6drC3HUlw..?]: [core] --------- Port       127.0.0.1:30177 <> ?      127.0.0.1:8002 ? (RTCP), SSRC ?0?, 0 p, 0 b, 0 e, 60 ts
> 
> I hope it helps. Enjoy NGCP!
> 
>> On 8/9/21 6:48 AM, [ EXT ] Edo wrote:
>> All,
>> 
>> I have configured the system? (Linux spce 5.10.0-8-amd64 #1 SMP Debian 
>> 5.10.46-2 (2021-07-20) x86_64) and attempting to make calls between 2 
>> subscribers.
>> Call is successful but no audio is available on both sides. Log does not 
>> show any major anomaly except saying
>> 
>> -- Media #1 (audio over RTP/AVP) using unknown codec over SSRC and RTCP
>> 
>> Please help
>> Thanks
> ...
> 
> -- 
> Alex Lutay
> 
> 
> 
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> ------------------------------
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> End of Spce-user Digest, Vol 26, Issue 8
> ****************************************