[asterisk-users] DAHDI DTMF problem?

[Ron Bergin]

Bill Dunn - VCI Internet Services wrote:
> 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?
>
>
> 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.
>

Are you using SIP?  If so, relaxdtmf can also be set in sip.conf as well
as a dtmfmode setting that you can adjust.

What type of phones are you using?  In our case, part of this problem was
due our low end 2.4ghz cordless phones.

-- 
Ron Bergin
Network Operations Administrator
Fry's Electronics
(408) 487-4600