[asterisk-users] DAHDI DTMF problem?

[Ron Bergin]

Bill Dunn - VCI Internet Services wrote:
> I have an Asterisk server configured to run as voicemail with a T1 and
> SMDI.
> It has 1.6.1.6 (dahdi 2.1.0.4) and Centos 5.6 and has worked great for a
> few
> years. I am configuring a new server with Asterisk 1.8.13 (dahdi 2.6.1) on
> Centos 5.8
>
> The problem I am having appears to be related to DTMF detection. When the
> test phone number is called (2704083000) Asterisk only receives a portion
> of
> the dialed number. It varies as to what numbers are detected. Sometimes it
> sees a single digit, sometimes 3 or 4 of the digits of the dialed number.
>
> When I compare this to the old server the debug below is similar but there
> isn't any mention of the "sig_analog.c" lines shown below.
>
> I am told the T1's on the old server and the new server are configured the
> same. I can make outgoing calls on the T1 from Asterisk.
>
> Can someone give me a clue as to what could be causing this?
>
>
> Bill Dunn
>

Try setting:
relaxdtmf=yes

We used to have that same problem on most of our servers.  Setting
relaxdtmf to yes solved the problem for us.

-- 
Ron Bergin
Network Operations Administrator
Fry's Electronics, Inc.