[asterisk-users] How to defer SDP in ACK for unit testing purposes

[Olivier]

Le mer. 10 oct. 2018 à 12:26, Joshua Colp <jcolp at digium.com> a écrit :

> On Wed, Oct 10, 2018, at 4:27 AM, Olivier wrote:
> > Hello,
> >
> > I think I met a case similar to the one solved by [1] . Quoting this
> case :
> >
> > * res_pjsip: Handle deferred SDP hold/unhold properly.
> >
> >         Some SIP devices indicate hold/unhold using deferred SDP
> reinvites. In
> >         other words, they provide no SDP in the reinvite.
> >
> >         A typical transaction that starts hold might look something like
> this:
> >
> >         * Device sends reinvite with no SDP
> >         * Asterisk sends 200 OK with SDP indicating sendrecv on streams.
> >         * Device sends ACK with SDP indicating sendonly on streams.
> >
> >
> > Now, I would like to configure an Asterisk instance to act as those SIP
> > devices, ie to defer all SDP signaling in ACK.
> >
> > This is for testing purpose as I would like to reproduce in a lab an
> issue
> > with those SIP devices.
> >
> > 1. Is it possible ? I can use any Asterisk version for implementation.
>
> It is not possible to configure Asterisk for this. The chan_pjsip module
> only does normal reinvites with SDP when configured to pass through MOH
> signaling.
>

This is the answser I feared ;-)
Thanks for replying.

If someone has a clue for alternatives (softphones, hardphones, ...), I'll
curious to know

>
> --
> Joshua Colp
> Digium - A Sangoma Company | Senior Software Developer
> 445 Jan Davis Drive NW - Huntsville, AL 35806 - US
> Check us out at: www.digium.com & www.asterisk.org
>
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