On 14 Jun 2006, at 08:00, Kevin Brennan wrote:
> Niall O Broin wrote:
>> I recently setup an Asterisk server which is the first one I have
>> setup using an analog line card (a cheap clone). Works nicely
>> (ignoring the fact that a Grandstream phone refuses to register to
>> it, but that's another issue) but it seems to have issues
>> recognising DTMF tones to navigate menus - sometimes it will,
>> sometimes it won't. Does anyone have any idea what that might be?
> There are 3 different ways to send DTMF via SIP; 1)in audio 2)RFC
> 2833 and 3) via SIP info. You can normally set this on your phone
> and with dftmfmode on Asterisk in sip.conf.
Sorry - I wasn't clear enough as to what the problem was in my
original post. It's not an issue of how to send DTMF in SIP (I
imagine that would be a go / no-go situation anyway, and not lead to
partial recognition). My problem was with recognition of tones on an
incoming analog call from the PSTN to the Asterisk box via the FXO card.
Niall
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