I'm not going to tell you how to do that because it isn't a legal sip usage.
It is true that some things have been known to use unsolicited NOTIFY.
I'm not certain I have heard of it for DTMF, but I have heard of it for
MWI. But its still not a standard usage.
The only plausible reason I can think of for you to want to do this is
to interoperate with something that expects it. If that is your
situation, then you need to defer to it regarding what it expects.
Thanks,
Paul
Vivek Gupta wrote:
> Hi,
>
> I need information on how to send DTMF tones as unsolicited Notify method
> within an established dialogue. Can anyone explain the
> steps to implement the same?
>
> Information on any SIP soft-phone that supports DTMF as Notify would be of
> great of help?
>
> With regards,
> Vivek GUpta
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