[asterisk-dev] DTMF Relay

[Terry Wilson]

On Jul 10, 2008, at 10:34 PM, Venefax wrote:

> I think that Asterisk must support two different DTMF Relay  
> technologies
> simultaneously, INFO and RFC2833. All Ciscos do support more than  
> one mode
> at the same time. I mean, in the configuration file, we should be  
> able to
> write this:
> Dtmfmode=info,rf2833
>
> I have big business issues from the fact that many phones and  
> softphones
> support RFC2833 while other brands only support INFO.
> Philip

Which is why you can set the dtmfmode on a per-device basis.  So one  
phone can have one setting, and another something else.
[phone1]
type=friend
context=default
secret=supersecret
dtmfmode=rfc2833

[phone2]
type=friend
context=default
secret=notaasetcret
dtmfmode=info