[asterisk-users] DTMF Corruption Problem

[Erick Perez]

On 11/9/06, mail-lists <mail-lists at peachnet.com> wrote:
> Erick Perez wrote:
> > I can report that with asterisk 1.2.13, internal SIP calls work
> > perfectly but (in my particular case) my asterisk box cannot recognize
> > DTMF digits when it receives a call via our SIP provider. we are both
> > using rfc2833 and I have tried relaxdtmf=yes/no
> >
> > when i use an internal sip extension and call somebody outside via my
> > sip provider, dtmf is recognized.
> >
> > On 11/9/06, mail-lists <mail-lists at peachnet.com> wrote:
> >>
> >> > Also, I am not using a zaptel timer.  Could this possibly be causing
> >> > problems with DTMF??
> >> I really don't know for certain but here's what I experienced: When
> >> calling out asterisk gives the option to allow called numbers to
> >> transfer by hitting the '#' by putting 'T' (or 't'?) as an option in th
> >> dial string. This would very seldom work. I could hit the '#' on the
> >> called phone it would say 'extension' but would always reply with 'not
> >> valid extension'
> >>
> >> I recently upgraded to 1.2.12 and noticed that there was no ztdummy
> >> running! I compiled my own zaptel installed it, loaded the modules on
> >> boot and now the transfer works perfectly.
> >>
> >> Also: my moh wasn't working for some reason. After I installed the
> >> ztdummy module it works too..
> >>
> >> I'm not sure whether the transfer issue was fixed by using the ztdummy
> >> module or by the asterisk issue but my point is that you should always
> >> have the ztdummy module installed if possible.
> >>
> >> Just my .02. Hope it helps
> >>
> >>
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> >>
> >
> >
> Erick,
>
> Do you have ztdummy running?
> What SIP provider are you using. Incoming calls work fine for me (and
> always have as far as I know).
>
>
>
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I have a TDM400 installed. loading wctdm and not ztdummy.
centos 4.4 with kernel 2.6
My provider is not located in US...I am not lcated in the US
-- 
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Erick Perez
Panama Sistemas
Integradores de Telefonia IP y Soluciones Para Centros de Datos
Panama, Republica de Panama
Cel Panama. +(507) 6694-4780
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