Re: text/T140 and audio/t140 was: [avt] Comments/questions on draft-ietf-avt-rfc2793bis-04

[Colin Perkins <csp at csperkins.org>]

On Wednesday 26 May 2004 12:35, Arnoud van Wijk wrote:
...
> Can we get a consensus from the AVT group that text telephony MUST be
> done via text/t140 as described in RFC2793bis-04, and that backward
> compatibility with analog textphones (legacy textphone protocols) is
> ONLY through gateways? And that audio/t140 is only for PSTN trunking and
> not to be abused to slip any legacy textphone protocol through it?

While I agree that we can suggest those as typical use cases, the AVT group 
can only define the RTP payload format. How that format is used as part of 
a complete text telephony system is outside our charter. 

Colin

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