[Spce-user] codecs & topology

Andreas Granig agranig at sipwise.com
Wed Mar 30 17:14:59 EDT 2011


On 03/30/2011 04:56 PM, Skyler wrote:
>  If I understand correctly, CE does not act as a b2bua out-of-the-box
> correct?

It will, on a signaling level, in the next release. Release date is
definitely end of April, we're currently in the testing stage.

>  So what part of CE handles codecs and real-time conversion of codecs?
> Ie: if I wanted to add support for a specific codec does sems or * come
> into the picture?

If you want to relay specific media streams just end-to-end, then you
can do it transparently already with any arbitrary codec. There is
currently no transcoding, and none is planned in the near future. You
can however, in a month, filter specific codecs defined in the SDP body
of requests/responses really easily. Currently, you can only do this
manually using the textops modules of kamailio in your proxy configuration.

> Also, how does topology hiding work, is this built-in already or would I
> need to apply a module/config mods to achieve that?

Again, the next release that will have that integrated out-of-the-box
using the sems sbc module.


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