[Asterisk-Users] DTMF SIP

[Brian West]

Use rfc2833 for dtmf in your sip.conf.. 729 can't pass dtmf inband very
well if at all.

bkw

On Fri, 15 Aug 2003, George Lin wrote:

>
> Hello list,
>
> my case is as follows:
>
> SIP1--asterisk--SIP2. SIP2 is IVR type device. SIP1 and SIP2 both use g729.
> When SIP1 calls SIP2, it hears the IVR, and prompt the SIP1 to punch the
> keypad on the phone.
>
> As suggested by you, I need to configure the SIP1 with out band dtmf mode ,
> what is about the sip.conf, should I specify the SIP1 with demfmode=rfc2238
> ? do I also need to make same kind configure for the SIP2 as well or I can
> configfure SIP2 with inband DTMF in sip.conf ?
>
> Thanks,
>
> George Lin
>
>
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