[Asterisk-Users] SIP client to IAXTel 800/888/877/866 dialing thru Asterisk

[Jason Williams]

On Mon, 12 Jul 2004 11:42:57 -0700, Dameon D. Welch-Abernathy
<dwelch at phoneboy.com> wrote:
> Through my Asterisk server, I am trying to use IAXTel to dial 800-type
> numbers (yes, I know I can do the same thing with FWD and others via
> SIP, but I wanted to play with IAX a little). It appears I'm running
> into some sort of a codec mismatch or something because it's not working
> right. The SIP client is a SPA-3000.
> 
Phoneboy

IAXcomm use gsm only that may help

Jason