On Sat, 2009-11-14 at 23:44 -0500, M. Ranganathan wrote:
> Hi,
> 
> I submitted some code to sipXcallController that includes a third
> party call control capability where the controller stays in the
> signaling path. I got to thinking that it would be interesting to have
> XMPP based call transfer whereby one can @call for an ongoing chat to
> set up a phone call (as we currently do) and then @xfer to another
> party.  This would be
> enabled by sending a REST command to the third party call controller
> to move one of the call legs of the ongoing call to another party.
> Since the call controller is in line it can initiate the transfer (
> the REFER based one cannot since it is no longer in the signaling path
> once it sets up the call).
> 
> Does this seem a useful capability to add? Naturally one can also just
> use the phone to do the transfer so I am not sure how useful this
> might be.
> 
> Any opinions?

Wouldn't this require sipXcallController to be a full b2bua?

What call ids would it use for the two legs?

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