[SR-Users] How to setup Kamailio to dispatch SIP client requests to WebRTC enabled Asterisk

[Adesh Pandey]

Hi
I have configured Kamailio as dispatcher for Asterisk, if I am logging in
to kamilio with webrtc can make calls with Asterisk and everything goes
fine but when I try to make calls from Zoiper my asterisk box says that :

[2019-02-19 08:45:15] WARNING[4649][C-00000008] chan_sip.c: Failed to
receive SDP offer/answer with required SRTP crypto attributes for audio
[2019-02-19 08:45:15] NOTICE[4649][C-00000008] chan_sip.c: Received AVP
profile in audio answer but AVPF is enabled, disabling: audio 8000 RTP/AVP
106 9 3 111 0 8 97 110 112 98 101 100 99 102
[2019-02-19 08:45:15] VERBOSE[4649][C-00000008] netsock2.c: Using SIP RTP
CoS mark 5
[2019-02-19 08:45:15] VERBOSE[4649][C-00000008] res_rtp_asterisk.c: DTLS
ECDH initialized (secp256r1), faster PFS enabled

I have explored over the internet but nothing found, please help me to
modify AVP in such a way that RTP request gets processed by Asterisk.

On Mon, Feb 18, 2019 at 7:12 PM Daniel-Constantin Mierla <miconda at gmail.com>
wrote:

> Hello,
>
> On 18.02.19 10:07, Adesh Pandey wrote:
> > Hi Guys,
> > I have recently setup a Kamailio server which can accept SIP or
> > WebSocket connections but voice is not coming in  the case of SIP client.
> >
> > I have no idea to change avp in the incoming request, please advise
> > how to proceed.
>
> the details you provide here doesn't give any clue of what is the real
> problem, where and why, so likely nobody can really help directly at
> this stage.
>
> I suggest to start with debug=3 in kamailio cfg and watch the logs when
> you do testing calls. Watch also the web browser console/diagnostic
> tools to see if you get any hints there.
>
> If you search on the web, you should fine some tutorials about using
> kamailio in webrtc -- they might be a good reference to compare with
> your config.
>
> Cheers,
> Daniel
>
> --
> Daniel-Constantin Mierla -- www.asipto.com
> www.twitter.com/miconda -- www.linkedin.com/in/miconda
> Kamailio World Conference - May 6-8, 2019 -- www.kamailioworld.com
> Kamailio Advanced Training - Mar 4-6, 2019 in Berlin; Mar 25-27, 2019, in
> Washington, DC, USA -- www.asipto.com
>
>
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