[Asterisk-Users] progress on DTMF

Jeff Gustafson ncjeffgus at zimage.com
Wed Feb 4 18:05:44 MST 2004


On Wed, 2004-02-04 at 15:49, Eric Wieling wrote:
> You cannot get reliable inband DTMF unless you use the ULAW or ALAW
> codecs.  If you want DTMF with other codecs you MUST use rfc2833 or INFO
> DTMF modes.

	Yup,  I know.  My config file has this:

disallow=all
;allow=gsm
allow=ulaw
allow=alaw

	Still, only the first digit is decoded.   Anything past the first code
are not decoded.

			...Jeff

> 
> On Wed, 2004-02-04 at 17:38, Jeff Gustafson wrote:
> > 	I tried out today's release of Asterisk.  I am now able to consistently
> > decode inband DTMF over SIP.  The problem is that Asterisk only decodes
> > the first code.  So extensions consisting over more than one digit do
> > not work.  So, for example, in the demo extensions, extension 2 and 3
> > work just fine.  Trying to dial extension 500 or 600 does not work. 
> > Asterisk reports that extension '5' or '6' is not a valid extension.
> > 	Is there a setting for this?
> > 
> > 			...Jeff
> > 
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