[OpenSIPS-Users] [NEW] SDP codec manipulation feature

[Brett Nemeroff]

Is there anyway to write to an AVP the negotiated codec? That'd be good for
CDR purposes. Would I need a bunch of codec_exists in the on_reply route
checking for 200 OK?

On Thu, Jul 23, 2009 at 4:46 AM, andrei dragus <andreidragus at yahoo.com>wrote:

>
> Hello,
>
> Methods have been added for SDP codec manipulation in the textops module.
> Please update your module if you wish to use them.
>
> There are 4 methods:
>  codec_exists(name[,clock]); //test if a codec exists
>  codec_delete(name[,clock]); //delete a codec
>  codec_move_up(name[,clock]); //move a codec to the front of the list
>  codec_move_down(name[,clock]);//move a codec to the back of the list
>
> Each of them can take a codec name and an optional clock parameter. If the
> clock is unspecified all of the codecs with that name will match.
>
> All of the methods will act on all streams from all sessions inside the
> SDP.
>
> You can use these methods one after another to get a desired effect.
> E.g. To make GSM the least prefered codec but GSM/8000 the most prefered of
> all GSM codecs use:
>
> codec_move_up("GSM","8000");
> codec_move_down("GSM");
>
> Once a codec was deleted it will not be detected by codec_exists().
>
> Feel free to test these methods and please report any bugs you may find.
>
> Thanks,
> Andrei.
>
>
>
>
>
>
>
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