[SR-Users] SDP Codec not removed with RTPengine - but with rtpproxy it worked
Carsten Bock
carsten at ng-voice.com
Fri Nov 18 09:42:16 CET 2016
Hi Oli,
if you remove the codec before sending it to RTPEngine, you should
call msg_apply_changes() after removing the codec.
Thanks,
Carsten
2016-11-18 9:39 GMT+01:00 Oliver Roth <oliver.roth at nexphone.ch>:
> Hi,
>
>
>
> The codec is removed before sending it to rtpengine …
>
> See the log below
>
>
>
>
>
>
>
> Nov 18 09:37:38 nxp-c4-gw03-pkzh1 /usr/sbin/kamailio[4229]: ERROR: ***
> cfgtrace:request_route=[RTPPROXY] c=[/etc/kamailio/kamailio-gw.cfg] l=1078
> a=2 n=return
>
> Nov 18 09:37:38 nxp-c4-gw03-pkzh1 /usr/sbin/kamailio[4229]: DEBUG: sdpops
> [sdpops_mod.c:199]: sdp_remove_str_codec_id_attrs(): removing line:
> a=rtpmap:125 CLEARMODE/8000
>
> Nov 18 09:37:38 nxp-c4-gw03-pkzh1 /usr/sbin/kamailio[4229]: ERROR: ***
> cfgtrace:branch_route=[MANAGE_BRANCH] c=[/etc/kamailio/kamailio-gw.cfg]
> l=1889 a=24 n=rtpengine_manage
>
> Nov 18 09:37:38 nxp-c4-gw03-pkzh1 /usr/sbin/kamailio[4229]: DEBUG: <core>
> [mem/f_malloc.c:444]: fm_malloc(): fm_malloc(0x7fe376c30010, 536) called
> from rtpengine: bencode.c: __bencode_piece_new(79)
>
> Nov 18 09:37:38 nxp-c4-gw03-pkzh1 /usr/sbin/kamailio[4229]: DEBUG: rtpengine
> [rtpengine_funcs.c:140]: check_content_type(): type <application/sdp> found
> valid
>
>
>
> But in the outgoing sdp the codec is still listed
>
>
>
> v=0
>
> o=Dialogic_SDP 4043679 0 IN IP4 213.173.185.46
>
> s=Dialogic-SIP
>
> c=IN IP4 213.173.185.47
>
> t=0 0
>
> m=audio 9008 RTP/AVP 8 0 125 101
>
> a=rtpmap:0 PCMU/8000
>
> a=rtpmap:8 PCMA/8000
>
> a=rtpmap:125 CLEARMODE/8000
>
> a=rtpmap:101 telephone-event/8000
>
> a=fmtp:101 0-15
>
> a=silenceSupp:off - - - -
>
>
>
> Any ideas?
>
>
>
> Kr,
>
> Oli
>
>
>
> Von: Daniel-Constantin Mierla [mailto:miconda at gmail.com]
> Gesendet: Freitag, 18. November 2016 09:27
> An: Oliver Roth <oliver.roth at nexphone.ch>; Kamailio (SER) - Users Mailing
> List <sr-users at lists.sip-router.org>
> Betreff: Re: AW: [SR-Users] SDP Codec not removed with RTPengine - but with
> rtpproxy it worked
>
>
>
> Hello,
>
>
>
> On 16/11/16 14:59, Oliver Roth wrote:
>
> Hi,
>
>
>
> I guess it is after executing rtpengine_maange() – but not really sure.
>
> How can I check that?
>
> load debugger module and enable cfgtrace option via modparam. Then you
> should see what functions are executed from config.
>
> Cheers,
> Daniel
>
>
>
>
> I get a different sdp header that is going out of the gateway
>
>
>
> v=0
>
> o=Dialogic_SDP 3975025 0 IN IP4 213.173.185.38
>
> s=Dialogic-SIP
>
> c=IN IP4 185.49.222.198
>
> t=0 0
>
> m=audio 20306 RTP/AVP 8 0 125 101
>
> a=rtpmap:0 PCMU/8000
>
> a=rtpmap:8 PCMA/8000
>
> a=rtpmap:125 CLEARMODE/8000
>
> a=rtpmap:101 telephone-event/8000
>
> a=fmtp:101 0-15
>
> a=silenceSupp:off - - - -
>
> a=sendrecv
>
> a=rtcp:20307
>
> a=ice-ufrag:UMTBynMy
>
> a=ice-pwd:63JdnvLS7cMyCQ978BA6syPmiI
>
> a=candidate:GUTMVOhP7VJyBkZg 1 UDP 2130706431 185.49.222.198 20306 typ host
>
> a=candidate:GUTMVOhP7VJyBkZg 2 UDP 2130706430 185.49.222.198 20307 typ host
>
>
>
> Incoming was
>
>
>
> v=0
>
> o=Dialogic_SDP 3975025 0 IN IP4 213.173.185.38
>
> s=Dialogic-SIP
>
> c=IN IP4 213.173.185.39
>
> t=0 0
>
> m=audio 9036 RTP/AVP 8 0 125 101
>
> a=rtpmap:0 PCMU/8000
>
> a=rtpmap:8 PCMA/8000
>
> a=rtpmap:125 CLEARMODE/8000
>
> a=rtpmap:101 telephone-event/8000
>
> a=fmtp:101 0-15
>
> a=silenceSupp:off - - - -
>
>
>
>
>
>
>
> Von: sr-users [mailto:sr-users-bounces at lists.sip-router.org] Im Auftrag von
> Daniel-Constantin Mierla
> Gesendet: Mittwoch, 16. November 2016 10:34
> An: Kamailio (SER) - Users Mailing List <sr-users at lists.sip-router.org>
> Betreff: Re: [SR-Users] SDP Codec not removed with RTPengine - but with
> rtpproxy it worked
>
>
>
> Hello,
>
> are you executing rtpengine_manage() before or after removing the codec?
>
> Cheers,
> Daniel
>
>
>
> On 16/11/16 10:03, Oliver Roth wrote:
>
> Hi there
>
>
>
> I have the following problem – I need to remove a codec in the initial
> INVITE.
>
> This happens since I changed from rtpproxy to rtpengine. I changed all
> rtpproxy_manage() to rtpengine_manage().
>
>
>
> Originating INVITE with the “clearmode”
>
>
>
> m=audio 9196 RTP/AVP 8 0 125 101
>
> a=rtpmap:0 PCMU/8000
>
> a=rtpmap:8 PCMA/8000
>
> a=rtpmap:125 CLEARMODE/8000
>
> a=rtpmap:101 telephone-event/8000
>
>
>
>
>
> I do the following in the config
>
> route[SDP] {
>
> xlog(, "L_INFO", "SDP: request method $rm");
>
>
>
> # remove CLEARMODE if Colt
>
> if($avp(s:todirection) =~"^MyCarrier+") {
>
>
>
> if (is_method("INVITE")) {
>
> xlog(, "L_INFO", "SDP remove:
> request method $rm");
>
> msg_apply_changes();
>
>
> sdp_remove_codecs_by_name("CLEARMODE");
>
>
> #sdp_remove_codecs_by_id("125");
>
>
>
> }
>
> }
>
> }
>
> This block gets hit as I can see with the xlog entry.
>
>
>
> In the sent INVITE the “Clearmode” is still in the sdp header
>
>
>
> a=rtpmap:0 PCMU/8000
>
> a=rtpmap:8 PCMA/8000
>
> a=rtpmap:125 CLEARMODE/8000
>
> a=rtpmap:101 telephone-event/8000
>
>
>
> So with rtpproxy – it worked
>
> With rtpengine not any more …
>
>
>
> Any idea?
>
>
>
> KR,
>
> Oli
>
>
>
>
>
> _______________________________________________
>
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>
> sr-users at lists.sip-router.org
>
> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>
>
>
>
> --
>
> Daniel-Constantin Mierla
>
> http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
>
> Kamailio Advanced Training, Berlin, Nov 28-30, 2016 - http://www.asipto.com
>
>
>
> --
>
> Daniel-Constantin Mierla
>
> http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
>
> Kamailio Advanced Training, Berlin, Nov 28-30, 2016 - http://www.asipto.com
>
>
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
> sr-users at lists.sip-router.org
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>
--
Carsten Bock
CEO (Geschäftsführer)
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