[asterisk-users] Callback + dtmf problem

[James]

I had problems with phones, not countries.

U.S. Alltel phones caused Aseterisk to receive two of each digit.
Changing the phones to dtmf mode = continuous solved the problem.

I still have problems from time-to-time with Nextel phones using the 
callback.

James Taylor
www.metrotel.net


----- Original Message ----- 
From: "Insider KT" <insider_kt at hotmail.com>
To: <asterisk-users at lists.digium.com>
Sent: Friday, September 01, 2006 1:51 PM
Subject: [asterisk-users] Callback + dtmf problem


> Hello all :-)
>
> I am having some problems with my asterisk callback server with mobile 
> telephones.
> When someone from Norway or Sweden call the asterisk server, and it calls 
> them back, everything works ok using voipjet and ipcb.net.
>
> But when someone from Thailand or Philipines try to call, it cannot detect 
> any dtmf tones when the callback has been initiated. It's the same problem 
> with ipcb,net as with Voipjet.
> I've tried ulaw and alaw codecs with inband and rfc2833 without any 
> success.
>
> Have anyone here used callback from these countires and made it work ?
>
> Fredrik
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