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

[Tilghman Lesher]

On Monday 28 April 2008 15:08, Klaus Darilion wrote:
> How do SIP phones with overlap dialing handle the following scenario:
> 1. User presses "1"
> 2. SIP phone sends INVITE sip:1 at ....
> 3. user presses "2"
> 4. what happens now? does the phone CANCEL sip:1 at ... and INVITE sip:12 at ..?

That depends on 1) what's in your dialplan, and 2) how the remote end
responds.  If the remote end sends a 484, trunk will now cause Dial to exit
with status AST_PBX_INCOMPLETE, which will allow the dialplan to accept
additional digits.

-- 
Tilghman