[asterisk-users] Long call setup times on SIP to zaptel calls

[Yuan LIU]

>From: "Mojo with Horan & Company, LLC" <mojo at horanappraisals.com>
>Date: Tue, 27 Feb 2007 10:18:51 -0900
>
>One thing I've noticed with SIP -> ZAP calls for quite some time is that  
>when asterisk is dialing n digits out the zap line, it dials n-1 digits, 
>pauses for *TWO* seconds, and then sends the nth digit.

Doesn't seem to happen in TDM400P and X100P cards, though.  Could it be some 
feature configured in your particular card?

Yuan Liu

>Doesn't matter how many numbers I want to send out the ZAP channel, this 
>always seems to happen.
>
>Asterisk 1.2.x is affected for sure.  I haven't tested 1.4 yet.  But if we 
>could get this figured out, that would shave two seconds off MY 
>nearly-five-second setup time.
>
>Mojo
>
>P.S. Polycom Soundpoint 501, TDM w/ 4xFXO, Asterisk 1.2.13
>
>Jordan Novak wrote:
>>I have had a lot of complaints about the time it takes to setup a call. I 
>>have timed it and it is almost five seconds before it even starts ringing. 
>>The SIP device sends the request almost instantly but the channel is 
>>taking a long time to pickup and dial. It wouldn't be so bad but they hear 
>>nothing. I would like to provide ringback before the zaptel actually 
>>starts ringing the channel. Has anybody done this, it seems like it would 
>>be a zaptel option.
>>  Jordan Novak