[asterisk-dev] Overlapped dialling on SIP trunks for outgoing calls

[Tilghman Lesher]

On Tuesday 29 April 2008 08:16:46 Raj Jain wrote:
> End-to-end overlap mode (the subject of this email thread) is where the
> phone and trunk both support overlap signaling. This is a scenario where
> Asterisk isn't aware of the numbering plan and thus relies on an upstream
> entity to decide how many digits should be dialed. A common deployment
> scenario for this PBX-PBX trunking using Q.SIG. Since SIP doesn't exactly
> support overlap signaling, we rely on the 484 message to signal to the UAC
> that more digits need to be sent.

Precisely.  I'm talking more about the specific implementation in Asterisk,
and you're talking about what theoretically could be done.  We are talking
about exactly the same thing.

-- 
Tilghman