[SIPForum-discussion] Question About media attribute within SDP

[cperry15 at gmail.com]

If you had an sbc that could regenerate the sdp like a covergence you  
could strip it

Or find an earlier ios that doesn't support that rtp map
CP

On Jul 24, 2009, at 10:21 AM, "Shakil, Rashid" <rshakil at covad.com>  
wrote:

> Hello All,
>
>
>
> For outbound calls the customer’s Cisco IAD 2431 generating followin 
> g SDP. The SIP peer doesn’t like the media parameter “a=rtpmap:19  
> CN/8000” in following SDP.  Two quick questions,
>
>
>
> 1.       What “a=rtpmap:19 CN/8000” represent in this SDP
>
> 2.       How can it be removed
>
> 3.       Is it possible that it cause fax failures ?
>
>
>
>
>
> v=0
>
> o=- 2847654225 2847654225 IN IP4 72.245.184.130
>
> s=SIP Call
>
> c=IN IP4 67.102.244.5
>
> t=0 0
>
> m=audio 17746 RTP/AVP 0 101 19
>
> c=IN IP4 67.102.244.5
>
> a=rtpmap:0 PCMU/8000
>
> a=rtpmap:101 telephone-event/8000
>
> a=fmtp:101 0-16
>
> a=rtpmap:19 CN/8000
>
> a=ptime:20
>
>
>
> Thanks in advance for the input
>
>
>
> Regards,
>
>
>
> Rashid Shakil
>
>
>
>
>
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