asterisk users - Jan 2006 - Re: Issue calling other PBX systems using VoIPwithPolycom 501

> -----Original Message-----
> [mailto:asterisk-users-bounces@lists.digium.com] On Behalf Of Steven
> Sent: Thursday, January 12, 2006 4:37 AM
>
> This is supposedly fixed in 1.2.1.
> The issue is that some companies using PRI are starting their 
> IVR as the ringback tone.
> The problem is that asterisk considers the call not answered 
> yet, so will not send any DTMF tones.
> Some credit card companies, airlines and AT&T conferencing 
> numbers do this.
> They do this to save money.  Their toll free vendor starts 
> charging them for your call after they answer, so they save a 
> few seconds on every call by not answering right away.
> 
> I tried to hack chan_zap.c in my 1.0.9 installation to fix 
> this, but was unable to.
I'm having some similar problem with a toll free number with IVR in Italy.
It rings indefinitely and Asterisk doesn't detect answer.
A big issue is that I'm using Asterisk 1.2.1!

Any help will be greatly appreciated.

Mimmus