On Fri, 2010-02-26 at 21:11 +1030, Ben Wannan wrote:
> this is interesting, call A comes in via a sip trunk, calles handset
> B, B speaks to A, then presses 'forward', which they then call C
> (external number, out via sip trunk), B speaks to C, then presses the
> forward button to 'stitch the call from A to C together and then
> should be out of the conversation and able to hang up.
> 
> this works fine on 7940 and 7960 hansdets, perfectly, however, 7941
> handsets, the call last stage of the forward fails , A never gets to
> speak to C and the call drops. C was another handset, it works fine,
> but not if C is a external number, 
> 
> 
> any ideas on debugging?

To debug this, you'll need to trace the message flow and see
what's going wrong.  See:

http://wiki.sipfoundry.org/display/xecsuserV4r0/Display+SIP+message+flow+using+Sipviewer

when you get the trace data, take a look at it using sipviewer
and/or post the trace with a description of your configuration
(identify components by IP address), what you were doing, and
which call in the trace you're talking about (by call-id or
frame number in the trace, preferably).


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