asterisk users - Dec 2005 - can * translate DTMF from rfc2833 to inband?

I have some phones that perform better with rfc2833 for DTMF, but a
termination provider that only supports INBAND.

 

Is this possible;

 

Phone <G.711u/SIP/RFC2833 DTMF> Asterisk <G.711u/SIP/INBAND DTMF>
provider

 

If so what are the relevant things to check, right now it fails,
assuming it is because the rfc2833 is being passed on to the provider.

 

Thx!

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This can be done.  Just make sure you specify the DTMF mode you are using
per SIP account.  for example:

[sipuser]
type=friend
secret=blahblah
qualify=yes
nat=yes
disallow=all
allow=ulaw
dtmfmode=rfc2833
etc.
etc.


[sipprovider]
type=friend
secret=blahblah
qualify=yes
nat=yes
disallow=all
allow=ulaw
dtmfmode=inband
etc.
etc.


On 12/6/05, Damon Estep <damon@suburbanbroadband.net>
wrote:
>
>  I have some phones that perform better with rfc2833 for DTMF, but a
> termination provider that only supports INBAND.
>
>
>
> Is this possible;
>
>
>
> Phone <G.711u/SIP/RFC2833 DTMF> Asterisk <G.711u/SIP/INBAND
DTMF> provider
>
>
>
> If so what are the relevant things to check, right now it fails, assuming
> it is because the rfc2833 is being passed on to the provider.
>
>
>
> Thx!
>
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>
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Damon Estep wrote:
> 
> I have some phones that perform better with rfc2833 for DTMF, but a 
> termination provider that only supports INBAND.
> 
> Is this possible;
Yes. It happens automagically.  BTW, pretty much all phones will have 
more reliable DTMF if you are using RFC2833.