Re: [Sip] on SIP Hard phones
Jonathan Rosenberg <jdrosen@dynamicsoft.com> Thu, 07 November 2002 11:43 UTC
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Date: Thu, 07 Nov 2002 06:43:35 -0500
From: Jonathan Rosenberg <jdrosen@dynamicsoft.com>
Organization: dynamicsoft
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To: KANUMURI Sreeram <SKanumur@covansys.com>
CC: sip@ietf.org, 'Ranjit Kumar Avasarala' <ranjit.avasarala@bplmail.com>
Subject: Re: [Sip] on SIP Hard phones
References: <B51554B08F5AC243A26D66BD6E076143B6B335@chn-ex01.cvns.corp.covansys.com>
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Transporting DTMF in INFO is not an IETF approved approach for conveying DTMF. It is a bad thing, in fact, for many reasons, not the least of which is the fact that DTMF will get sent in the signaling path even when no one cares, increasing proxy load uneccesarily. I STRONGLY recommend that you look at some of the recent activity in the application interaction area, which is sorting out this whole DTMF mess. Please see: http://www.ietf.org/internet-drafts/draft-rosenberg-sipping-app-interaction-framework-00.txt http://www.ietf.org/internet-drafts/draft-jennings-sip-app-info-00.txt http://www.ietf.org/internet-drafts/draft-burger-sipping-kpml-00.txt -Jonathan R. KANUMURI Sreeram wrote: > Hi all, > I am looking for a SIP-Hard phone which will support the MID call > signalling(DTMF--INFO methods) > i have seen the snom 100 Hard phone from http://www.snom.de and it is not > supporting the INFO method. > > so can any one tell me what are the Hard phones availble(any pointer )and > which support the INFO method. > > > TIA > > -sreeram > _______________________________________________ > Sip mailing list https://www1.ietf.org/mailman/listinfo/sip > This list is for NEW development of the core SIP Protocol > Use sip-implementors@cs.columbia.edu for questions on current sip > Use sipping@ietf.org for new developments on the application of sip > -- Jonathan D. Rosenberg, Ph.D. 72 Eagle Rock Ave. Chief Scientist First Floor dynamicsoft East Hanover, NJ 07936 jdrosen@dynamicsoft.com FAX: (973) 952-5050 http://www.jdrosen.net PHONE: (973) 952-5000 http://www.dynamicsoft.com _______________________________________________ Sip mailing list https://www1.ietf.org/mailman/listinfo/sip This list is for NEW development of the core SIP Protocol Use sip-implementors@cs.columbia.edu for questions on current sip Use sipping@ietf.org for new developments on the application of sip
- [Sip] on SIP Hard phones KANUMURI Sreeram
- Re: [Sip] on SIP Hard phones Jonathan Rosenberg