[Users] two invites, different session description => broken

[John Peters]

Thanks for the great suggestions all.

On 11/30/06, Olle E Johansson <oej at edvina.net> wrote:
>
>
> 30 nov 2006 kl. 11.00 skrev Bogdan-Andrei Iancu:
>
> > Hi Olle,
> >
> > even if the devices register with OpenSER and you use Asterisk as
> > B2BUA behind the proxy, it still works if:
> >    1) handle SIP signalling NAT mangle in OpenSER
> >    2) disable the can-reinvites option in Asterisk.
> >    3) do not use rtpproxy.
> >
> > From Asterisk perspective, do you see any issues in this scenario?
>
> You need to add nat=yes in Asterisk to turn on Symmetric RTP. The
> problem then is that Asterisk will
> also enable symmetric SIP, which might hurt communication when using
> a proxy.
>
> The rtp-proxy is only needed for devices that call between each other
> and need nat support.
> For calls to and from Asterisk, yes, Asterisk can handle most of it
> in the way you describe it.
>
>
> /O
>
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