[asterisk-users] codecs/voicemail/DTMF

[Eric "ManxPower" Wieling]

Sorry, I misread your message as "incoming" and "outgoing" calls.

Mr. Jones wrote:
> Hi Eric,
> 
> I'm confused on where I would put this?
> 
> I'm also confused on how this would help with external calls (which we
> want to be g729) vs internal calls to voicemail (which appear to need
> to be g711)?
> 
> Thanks a ton!
> 
> Brian
> 
> On 9/19/06, Eric ManxPower Wieling <eric at fnords.org> wrote:
>> Use type=user for inbound and type=peer for outbound.  Have different
>> codec settings for each of them.
>>
>> Mr. Jones wrote:
>> > Hi Folks,
>> >
>> > We're trying to roll Asterisk out to production and are having a few
>> > complications.
>> >
>> > Most specifically we have G711 for our inbound origination, but would
>> > prefer G729 for outbound termination, so far so good - it appears that
>> > dtmfmode=auto works in both cases.
>> >
>> > The area I'm having trouble with is, in order to have g729 on the
>> > outbound I have:
>> >
>> > disallow=all
>> > allow=g729
>> > allow=ulaw
>> > allow=alaw
>> >
>> > In sip.conf at the [general] level.
>> >
>> > When we call voicemail, or the auto attendant internally touchtones
>> > don't work and we get:
>> >
>> > WARNING[8393]: dsp.c:1422 ast_dsp_process: Inband DTMF is not
>> > supported on codec g729. Use RFC2833
>> >
>> > I'm just guessing, but I thought "auto" was supposed to negotiate the
>> > DTMF mode. Since it appears that the voicemail can't handle RFC2833,
>> > is there some way to force the codec to resort to G711?
>> >
>> > Thanks!
>> >
>> > Brian
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