[asterisk-users] DAHDI DTMF problem?

[Bill Dunn - VCI Internet Services]

Thanks Ron. I have had my chan_dahdi.conf file set as follows with the same 
result.

[trunkgroups]
[channels]
switchtype=national
usecallerid=yes
callerid=asreceived
cidsignalling=smdi
echocancel=yes
echocancelwhenbridged=yes
relaxdtmf=yes
rxgain=0.0
txgain=0.0
usesmdi=yes
smdiport=/dev/ttyS0
signalling = em_w
immediate = no
group = 1
channel => 1-3



 Bill Dunn



----- Original Message ----- 
From: Ron Bergin
To: Asterisk Users Mailing List - Non-Commercial Discussion
Sent: Friday, July 06, 2012 12:34 PM
Subject: Re: [asterisk-users] DAHDI DTMF problem?


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.




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