[asterisk-dev] [Code Review] 2455: Add support for DTMF via SIP INFO

[Jason Parker]

> On April 16, 2013, 7:44 p.m., Mark Michelson wrote:
> > I'm not sure if the goal here is having basic INFO DTMF support or if your goal is parity with chan_sip's support for INFO DTMF. If you're going for feature parity, then you're missing support for the "short" INFO DTMF (application/dtmf). This is a version that simply puts the DTMF digit in the body and nothing else.
> > 
> > Also, chan_sip understands "application/vnd.nortelnetworks.digits" as being the same thing as "application/dtmf-relay"

I wasn't going for parity.  dtmf-relay is what most things appear to use.  I'd vote to revisit in the future if any devices show up that don't work.


- Jason


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On April 16, 2013, 6:24 p.m., Jason Parker wrote:
> 
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> https://reviewboard.asterisk.org/r/2455/
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> 
> (Updated April 16, 2013, 6:24 p.m.)
> 
> 
> Review request for Asterisk Developers.
> 
> 
> Bugs: ASTERISK-21261
>     https://issues.asterisk.org/jira/browse/ASTERISK-21261
> 
> 
> Repository: Asterisk
> 
> 
> Description
> -------
> 
> Sending is done inside of chan_gulp, if the dtmf= setting in res_sip.conf is set to info.  Receiving is done as a separate module, since that made the most sense, to me.
> 
> 
> Diffs
> -----
> 
>   /team/group/pimp_my_sip/channels/chan_gulp.c 385887 
>   /team/group/pimp_my_sip/res/res_sip_dtmf_info.c PRE-CREATION 
> 
> Diff: https://reviewboard.asterisk.org/r/2455/diff/
> 
> 
> Testing
> -------
> 
> DTMF gets parsed properly.  Outgoing packet looks okay.
> 
> 
> Thanks,
> 
> Jason Parker
> 
>

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