[Asterisk-Users] Re: tunnel iax via gnophone with ssh?

[Michael Manousos]

Tilghman Lesher wrote:
> On Thursday 20 November 2003 17:15, Adam Hart wrote:
> 
>>>Reinhard Max wrote:
>>>
>>>>Asterisk uses UDP, but ssh can only forward TCP ports.
>>>
>>>Ahhh something I completly missed...that makes sense because I
>>>tunnel lots of other things...Are there other protocols that are
>>>TCP instead?
>>
>>All protocols use UDP for voice data, for obvious reasons.
> 
> 
> No, they don't.  H.323 uses TCP.  And SIP has an option to use TCP

No, H.323 uses UDP for voice (RTP). It doesn't make sense
to use TCP for voice transport.

> as well as UDP (although most implementations don't yet support it).
> 
> -Tilghman
> 


Michael.