[SR-Users] SDP Codec not removed with RTPengine - but with rtpproxy it worked

[Daniel-Constantin Mierla]

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 <mailto: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://twitter.com/#%21/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

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