Kevin P. Fleming wrote:
Steve Underwood wrote:
The T.38 spec defines a streaming protocol over UDP, equivalent to RTP. The latest version also allows the use of RTP. T.38 can also use a non-quite-streaming TCP transport.
How likely is it that any equipment is going to support T.38-over-RTP soon, though? Since it's so new, I'd suspect that most equipment will only do SIP with T.38 as the media path...
Right now I think you are right. Cisco does T.38 over RTP, but most people don't - Cisco did it long before the standard was finalised. However, over time I expect things will move in the RTP direction, and UDPTL will eventually disappear. It never had a reason to exist in the first place, since RTP was already established for other streaming.
I think any new T.38 implementation really ought to support T.38 over RTP.
Regards, Steve
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