[OpenSIPS-Users] codec_delete() not working in 3.0

Fri Sep 27 05:03:17 EDT 2019

Annexb as well

On Fri, 27 Sep 2019 at 09:36, Mark Farmer <farmorg at gmail.com> wrote:

> Thanks James, that's interesting. However my understanding is that all
> mention of the target codec should be removed but in this case it seems to
> be unchanged.
>
> According to this list:
> https://www.iana.org/assignments/rtp-parameters/rtp-parameters.xhtml
>
> G.729 is represented in the m=audio line by a value of 18 which is still
> present in the resulting INVITE.
> The SDP from the initial INVITE from a phone:
>
> v=0
> o=- 1569572039 1569572039 IN IP4 xxx.xxx.xxx.xxx
> s=Polycom IP Phone
> c=IN IP4 xxx.xxx.xxx.xxx
> b=AS:512
> t=0 0
> m=audio 2226 RTP/AVP 9 8 0 *18* 127
> a=rtpmap:9 G722/8000
> a=rtpmap:8 PCMA/8000
> a=rtpmap:0 PCMU/8000
> *a=rtpmap:18 G729/8000*
> a=fmtp:18 annexb=no
> a=rtpmap:127 telephone-event/8000
> m=video 2228 RTP/AVP 109 34
> a=rtpmap:109 H264/90000
> a=fmtp:109 profile-level-id=42800d; packetization-mode=0
> a=rtpmap:34 H263/90000
> a=fmtp:34 CIF=1;QCIF=1;SQCIF=1
>
> And the resulting outbound INVITE:
>
> v=0
> o=- 1569572039 1569572039 IN IP4 xxx.xxx.xxx.xxx
> s=Polycom IP Phone
> c=IN IP4 xxx.xxx.xxx.xxx
> b=AS:512
> t=0 0
> m=audio 10552 RTP/AVP 9 8 0 *18* 127
> a=rtpmap:9 G722/8000
> a=rtpmap:8 PCMA/8000
> a=rtpmap:0 PCMU/8000
> *a=rtpmap:18 G729/8000*
> a=rtpmap:127 telephone-event/8000
> a=fmtp:18 annexb=no
> a=sendrecv
> a=rtcp:10553
> a=ice-ufrag:NaBg56me
> a=ice-pwd:oWZ4Hzrn4kJtnYfXo4Q7oCNx95
> a=candidate:wWTC1VOV2dAOfI4x 1 UDP 2130706431 xxx.xxx.xxx.xxx 10552 typ
> host
> a=candidate:wWTC1VOV2dAOfI4x 2 UDP 2130706430 xxx.xxx.xxx.xxx 10553 typ
> host
> m=video 10574 RTP/AVP 109 34
> a=rtpmap:109 H264/90000
> a=rtpmap:34 H263/90000
> a=fmtp:109 profile-level-id=42800d; packetization-mode=0
> a=fmtp:34 CIF=1;QCIF=1;SQCIF=1
> a=sendrecv
> a=rtcp:10575
> a=ice-ufrag:U1Lig1Dm
> a=ice-pwd:wzCYNGN9FyuFLChyqqVR7YqLRE
> a=candidate:wWTC1VOV2dAOfI4x 1 UDP 2130706431 xxx.xxx.xxx.xxx 10574 typ
> host
> a=candidate:wWTC1VOV2dAOfI4x 2 UDP 2130706430 xxx.xxx.xxx.xxx 10575 typ
> host
>
>
>
> On Thu, 26 Sep 2019 at 16:59, James Hogbin <james at ip-sentinel.com> wrote:
>
>> I think this is helpful?
>>
>> https://opensips.org/pipermail/users/2016-September/035510.html
>>
>> james
>>
>>
>> *James Hogbin*
>> *Director*
>> [image: IP Sentinel Logo] <http://ip-sentinel.com>
>> t. +44 (0)20 3011 4150 <+442030114150>
>> m. +44 7786910895
>> w. https://www.ip-sentinel.com
>>
>> On 26 Sep 2019, at 16:37, Mark Farmer <farmorg at gmail.com> wrote:
>>
>> Been looking at this for a while now and it just won't play ball.
>> I have an avp defined:
>>
>> # Codecs we do NOT support!
>> $avp(BadCodec) = "G729";
>> $avp(BadCodec) = "G729a";
>>
>> Then I use a for each to remove any instances of the codecs:
>>
>> for ($var(ToDelete) in $(avp(BadCodec)[*]))
>>                 if (codec_delete($var(ToDelete))) {
>>                             xlog("CUSTOM_LOG: Invalid codec detected and
>> deleted: $var(ToDelete)");
>>                 }
>>
>> sipmsgops reports that it's trying to remove codecs:
>>
>> DBG:sipmsgops:codec_delete: deleting codec <G729a> with clock <>
>> ---
>> DBG:sipmsgops:codec_delete: deleting codec <G729> with clock <>
>> ---
>>
>> My custom logs only generate a single entry since only G729 is present in
>> SDP:
>>
>> CUSTOM_LOG: Invalid codec detected and deleted: G729
>>
>> But when the call is routed, the G729 codecs remain in the SDP:
>>
>> a=rtpmap:18 G729/8000
>>
>> Can anyone suggest why might that be?
>>
>> Regards
>> Mark.
>>
>>
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>
>
> --
> Mark Farmer
> farmorg at gmail.com
> _______________________________________________
> Users mailing list
> Users at lists.opensips.org
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>
-- 
Regards,

David Villasmil
email: david.villasmil.work at gmail.com
phone: +34669448337
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