[asterisk-app-dev] Asterisk DTMF recognizer

[Paul Belanger]

On 13-12-11 06:22 PM, Ben Langfeld wrote:
> The vast majority of IVR platforms (mainly VoiceXML) permit handling DTMF
> in a consistent manner to speech recognition, that is by way of a DTMF
> grammar. Asterisk, to my knowledge, does not currently include an
> SRGS-based DTMF recognizer.
>
> FreeSWITCH recently got one as part of mod_rayo, and Chris Rienzo has
> stated that he believes making a majority of this into a library general
> enough to be used in Asterisk also would be plausible, leaving limited
> integration effort in Asterisk.
>
> It is interesting to me in order to simplify the implementation of
> Adhearsion atop Asterisk, since right now we have this in Ruby based on AMI
> DTMF events. Is there any appetite among the Asterisk core team to
> investigate the addition of this to Asterisk core or as a module?
>
> If this gets agreement in principle, I'd love to talk more thoroughly about
> the kind of API that would be most useful for us, and how we can move
> forward with specification and implementation.
>
Interesting, I was actually trying to add something for python very much 
along these lines.  Are you hitting a performance issue in ruby?  Mind 
you, I'm looking to do it a top ARI, not AMI.

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