[asterisk-users] What don't I get about SIP?

Tim St. Pierre tim at communicatefreely.net
Fri Sep 8 11:54:29 MST 2006

With SIP, asterisk processes the digits it receives in the invite from the 

There is no communication of dialplan information in SIP.  The polycom should 
send the digits as soon as you press dial.  You can program the polycom with 
a dialplan that will tell it when to send the digits, but that only works if 
you dial off-hook.  I like on hook dialling, since it sends what i tell it, 
when I tell it.  This should never happen when you press dial - it should try 
right away.  My 301 does this, maybe they changed something in the newer 


On September 8, 2006 14:33, Mike wrote:
> I've been running into an issue with my Polycom 501 and Asterisk.
> I realized, after much mucking around, that when I dial a number (and press
> the send key) that is invalid , but could still match an Asterisk pattern
> (example: I dial 567, which is not a valid extension, but my diaplan
> accepts _567XXXX as a pattern) instead of sending the call as is and
> ultimately failing, the phone is "intelligent enough" to sit and wait for
> extra digits in case I meant to dial 567111.
> Now thats a problem for me.  How can I make Asterisk (or the 501) treat the
> attempted extension 567 as a valid try and let Asterisk handle the error
> ?(instead of the phone trying to do what it think is best and handling the
> error on it's own).
> Is there an Asterisk setting for that?
> Failing that, is there a Polycom setting to disable this "intelligent"
> error handling?
> Mike

Tim St. Pierre

IP telephony specialist
Toronto: 647 722 6930
Toll-Free 1 888 488 6940
tim at communicatefreely.net
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 187 bytes
Desc: not available
Url : http://lists.digium.com/pipermail/asterisk-users/attachments/20060908/55fb4280/attachment.pgp

More information about the asterisk-users mailing list