Thank you for your answer.

"are you doing something explicitly to send the DTMF"
No. I just press buttons in my cell phone (I mean startpoint). 

In my opinion it is strange. I make answer() in lua script and use session:getDigits(). All works fine.
In the end of script I use execute_extension which implements bridge.
session:execute("execute_extension", "".. recieved_digit .." XML ".. user_context .."")

Thus the call was answered in lua script. Next the call go to endpoint. How dtmf must be transmitted in this case ?

Why I have not issues when I call from sip devices?

Any help are welcomed.

Thanks.

From: avi@avimarcus.net
Date: Tue, 1 Nov 2011 21:22:11 +0200
To: freeswitch-users@lists.freeswitch.org
Subject: Re: [Freeswitch-users] double dtmf

"when I try to send dtmf second time for endpoint " - are you doing something explicitly to send the DTMF?
I just ignore the dtmf, and when FS bridges it sends the call on properly.
 
-Avi


2011/11/1 Yuriy Nasida <nasida@live.ru>
Hello community,

I have some issue with delivery of dtmf.
The call flow is:
one sip provider - FS -  second sip provider - endpoint which expects correct dtmf

On FS I have simple custom lua application which implement logic of calling cards system.

I have not issues when I call to lua application. I can enter destination number (by using dtmf apparently) and all works fine. But when I try to send dtmf second time for endpoint which expects correct dtmf I have issue with double dtmf. 

It is noted that when I call from sip device I have not ANY issues. But I have issue when I call from any cell phone or landline phone.

Any ideas are welcomed.

Thanks.


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