[SR-Users] Why SDPOPS does not remove attributes in SDP

[Fred Posner]

On 06/17/2016 09:25 AM, Richard Fuchs wrote:
> On 17/06/16 03:46 AM, Dmitry wrote:
>> Hi all
>> I have the following code:
>>
>>   if($T_reply_code=="200")
>>          {
>>          if(has_body("application/sdp"))
>>              {
>>                 xlog("L_INFO", "RTPENGINE received internal reply
>> $T_reply_code $rr SDP extra lines will be removed");
>>
>>                     set_rtpengine_set("0");
>>                     rtpengine_manage();
>>                  sdp_remove_line_by_prefix("a=rtcp");
>>                  sdp_remove_line_by_prefix("a=ssrc");
>>                  sdp_remove_line_by_prefix("a=ice");
>>                  sdp_remove_line_by_prefix("a=candidate");
>>
>>                  xlog("L_INFO", "RTPENGINE received internal reply
>> $T_reply_code $rr SDP extra lines removed with SDPOPS");
>>
>>              }
>>
>>          }
>> When I look through traces  - I see that 200 ok(with SDP) has all these
>> attributes and they are not removed.
>>
>> Why SDPOPS does not remove these attributes?
> 
> Probably because there's a problem rewriting parts of the SDP body more
> than once. But if you don't want ICE attributes in the output SDP, you
> can use the rtpengine flags ICE=remove. You can influence rtcp-mux
> attributes in the same way. See docs.
> 
> Cheers
> 

Are your log messages triggered?

--fred

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