Unfortunately, there are more choices than that:
- SUBSCRIBE/NOTIFY
- implicit subscriptions
- explicit subscriptions
The application framework document discusses the overall concept:
http://www.ietf.org/internet-drafts/draft-ietf-sipping-app-interaction-frame
work-05.txt
The KPML specification describes a markup language for representing digits:
http://www.ietf.org/internet-drafts/draft-ietf-sipping-kpml-07.txt
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Beith, Gordon
Sent: Friday, March 24, 2006 9:59 AM
To: [EMAIL PROTECTED]; [email protected]
Subject: Re: [Sip-implementors] DTMF
You can use one of 3 choices:
- In-band (risky if using low bit rate codecs),
- RFC 2833 for out-of-band but still carried over RTP, or
- SIP INFO method for completely out-of-band
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
[EMAIL PROTECTED]
Sent: Friday, March 24, 2006 9:04 AM
To: [email protected]
Subject: [Sip-implementors] DTMF
Hi all,
Can somebody please help me out on how to send DTMF signals using SIP.
I
have a requirement where after playing a voice prompt user should say yes or
no by pressing the digits. If anybody can help me in this scenario.
Thanks in advance.
Santosh.
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