[OpenSIPS-Users] codec_delete_except_re() and RFC2833

[Laszlo]

Hi Jeff,

codec_delete_except_re("PCMU|tel");
should do the trick.

-Laszlo



2013/8/16 Jeff Pyle <jpyle at fidelityvoice.com>

> Hello,
>
> This is on OpenSIPS 1.9.
>
> I want to remove all audio codecs except PCMU from an SDP.  I have the
> following config:
>
>          if (codec_exists("PCMU")) {
>                 codec_delete_except_re("PCMU");
>         } else {
>                 send_reply("488", "PCMU required");
>                 exit;
>         }
>
> It does exactly what it's supposed to do, leaving only PCMU in the SDP.
>  The problem is that it also removes the RFC2833 definition.
>
> Codecs in:
>
> m=audio 16414 RTP/AVP 9 0 18 101.
> a=rtpmap:9 G722/8000.
> a=rtpmap:0 PCMU/8000.
> a=rtpmap:18 G729/8000.
> a=fmtp:18 annexb=no.
> a=rtpmap:101 telephone-event/8000.
>
>
> Codecs out:
>
> m=audio 16414 RTP/AVP 0 .
> a=rtpmap:0 PCMU/8000.
>
> Perhaps the correct question to ask is how to delete everything except
> PCMU *and* telephone-event?
>
>
>
> Regards,
> Jeff
>
>
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>


-- 

--
Kind regards,
Laszlo Bekesi
http://voipfreak.net
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