[SR-Users] kamailio / rtpproxy - remove codec

[Daniel-Constantin Mierla]

Hello,

can you give the incoming sdp and outgoing sdp (both as text) when you 
are using sdp_remove_media, to see what gets malformed there?

Cheers,
Daniel

On 07/04/14 08:37, Oliver Roth wrote:
>
> Hi all
>
> We use kamailio 3.3.7 and rtpproxy for enduser call-termination.
>
> In case of a fax call, we get an invite from our carrier for codecs 
> G711a/u and T38.
>
> As our termination carrier does not support T38 and because the invite 
> contains G711 and T38 we get back error 488.
>
> How is it possible to remove the whole T38 part of this invite?
>
> We tried
> sdp_remove_codecs_by_name(list) without success – what “name” should 
> we use for T38? [T38, t38, t.38, T.38, …]
> sdp_remove_line_by_prefix(string)
> sdp_remove_media(type)
>
> None of these functions did really work – best was the last one with 
> type=image but then the sip header is malformed.
>
> As we saw with Kamailio version 4.1.x there are a lot of new functions 
> within sdpops. Would an upgrade help?
>
> So basically the question is:
>
> How to remove the t38 part of the fax invite? (see attachment)
>
> KR,
>
> Oli
>
> **
>
>
>
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-- 
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio World Conference - April 2-4, 2014, Berlin, Germany
http://www.kamailioworld.com

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