[SR-Users] fix_nated_sdp function

[Daniel-Constantin Mierla]

Hello,

you should provide the log messages printed with debug=3 in
kamailio.cfg, eventually along with the xlog("$rb") to see the content
of body at that moment.

Cheers,
Daniel

On 06.04.21 17:19, Ilie Soltanici wrote:
> Hello,
>
> Can someone point me to what is wrong with this SDP:
>
> ```
> v=0 o=- 3826710256 3826710256 IN IP4 100.113.232.22 s=pjmedia b=AS:386
> t=0 0 a=X-nat:0 m=audio 4012 RTP/SAVP 96 8 120 121c=IN IP4
> 100.113.232.22 b=TIAS:96000 a=rtcp:4013 IN IP4 100.113.232.22
> a=sendrecv a=rtpmap:96 opus/48000/2 a=fmtp:96 useinbandfec=1
> a=rtpmap:8 PCMA/8000 a=rtpmap:120 telephone-event/48000 a=fmtp:120
> 0-16 a=rtpmap:121 telephone-event/8000 a=fmtp:121 0-16
> a=ssrc:886437437 cname:61141a4c6ecaa55e a=crypto:1
> AES_256_CM_HMAC_SHA1_80
> inline:J9gds2sgq3OQccZ4fQoy3Oh9P2sWAXGHpLx+v/Ykh3gFQtAcaD8u5zpygEw2Dw==
> a=crypto:2 AES_256_CM_HMAC_SHA1_32
> inline:yVCi20viRSxW+7hkUDjDBfXX4eAsuNrGj96ByTpDejOww8A0+BwSDjO40U1u3A==
> a=crypto:3 AES_CM_128_HMAC_SHA1_80
> inline:9vWxWlHSBcLYv0p+qYTviva7Bc6tUb+fKblHaQ1D a=crypto:4
> AES_CM_128_HMAC_SHA1_32 inline:UlLlQR2NB1owPDx7fFyGqnq09AVFVOLB50I3f/FC
> ```
> I'm trying to apply function "fix_nated_sdp" to it, but getting back
> this error:
> <no `IP[4|6]' in `a=rtcp' field>
>
> By looking at the source code, seems that the nextissip value is 0,
> and that's why it fails (nextissip value:0/len:14)
>
> Any idea why?
>
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-- 
Daniel-Constantin Mierla -- www.asipto.com
www.twitter.com/miconda -- www.linkedin.com/in/miconda
Funding: https://www.paypal.me/dcmierla

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