[Asterisk-Users] SIP vs SCCP vs XML

[Lee Goodman]

Use the dialplan.xml file on the SIP phone. It will let you set how many
digits to accept before beginning the dialing process, (you don't need
to hit the DIAL button)

Lee Goodman

-----Original Message-----
From: asterisk-users-admin at lists.digium.com
[mailto:asterisk-users-admin at lists.digium.com] On Behalf Of Adam Roach
Sent: Monday, August 25, 2003 7:41 PM
To: 'asterisk-users at lists.digium.com'
Subject: RE: [Asterisk-Users] SIP vs SCCP vs XML


I'll start by mentioning that the newer Cisco SIP dumps
let you hit "#" instead of "Dial" when you're done dialing, which I find
to be much more intuitive than the "Dial" softbutton.

> Good question..   Does * support overlap dialing with SIP?
> 
> I have a feeling it does, I do vaguely remember getting an
> Address Incomplete response when not dialing enough 
> digits.  I guess all you have to do is set your Cisco 
> phone for overlap dialing.  Hopefully there is an option 
> for it in is config. 

Even if Asterisk does the overlap stuff defined in RFC 3578,
I seriously doubt you'll see the Cisco phones (or any hardware phones,
for that matter) doing it. The overlap stuff is really designed for
gateways from the PSTN, not end terminals.

That said, there's nothing that would *prevent* implementing
it in end devices. I note that it would cause an awful lot
of signaling traffic if you did so, though.

As a side note, I'll point out that the Pingtel phones let
you provision client-side digitmaps. Based on asterisk-like pattern
matching, you get to say how long a digit string should be matched, and
the phone will automatically dial when it matches (no need to hit
send!). You can even make different patterns go different places, like:

972xxxxxxx : sip:{digits}@localprovider.net
214xxxxxxx : sip:{digits}@localprovider.net
489xxxxxxx : sip:{digits}@localprovider.net
1xxxxxxxxxx : sip:{digits}@longdistanceprovder.net

(To clarify: Dallas has three local area codes and 10 digit local
dialing)

/a
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