Hi, There have been a few proposals for this over time. However, none have been "accepted" in the IETF as standard mechanisms. There is one current proposal for transporting RFC 2833 encoded tone data in SIP. It's described in http://www.ietf.org/internet-drafts/draft-mahy-sipping-signaled-digits-00.tx t. I do know of a proposal being developed to transport "key events" in SIP. An application of the mechanism can be used to transport user input indications. It does *not* deal with DTMF though. The first draft is near completion and should be announced soon.
Regards, Bert -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Michel Eilat Sent: Wednesday, December 05, 2001 12:02 PM To: [EMAIL PROTECTED] Cc: Michel Eilat Subject: [Sip-implementors] Out of band DTMF Once out of band DTMF could have been sent through the INFO method. According to rfc 2976 the INFO is not used to change the state of SIP calls. Is there a way to transport out of band DTMF in SIP? Thank you Michel Eilat SIP Team Leader Audiocodes LTD 4 Hahoresh St, P.O.Box 14 Yehud 56470 Israel Direct: +972-3-5394160 Fax: +972-3-5394040 Email: [EMAIL PROTECTED] Web Site: http://www.audiocodes.com **************************************************************************** ******************************** This email and any files transmitted with it are confidential material. They are intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify [EMAIL PROTECTED] and permanently delete the e-mail and files. **************************************************************************** *******************************
winmail.dat
Description: application/ms-tnef
