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

[Mojo with Horan & Company, LLC]

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 
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
> 
> 
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