[Asterisk-Dev] T.38 pass-through / T.38 support

[Brian West]

But the UDPTL stream is NOT going thru asterisk at all.  You're  
having to allow re-invites thats for sure.

/b

On Jun 3, 2005, at 2:39 PM, Matthew Boehm wrote:

> Steve Underwood wrote:
>
>> They must be bypassing * then. * has no way to pass-through a UDPTL
>> stream right now. I don't see how it would even bypass a T.38 stream,
>> though. It lacks the ability to negotiate one.
>>
>
> I know you find it hard to believe Steve, but I guarantee you this  
> is what
> happens:
>
> Caller on PSTN dials ATA fax. Call is routed to AS5300 over PRI. Call
> becomes T38. 5300 sends call to Asterisk and on to ATA via SIP. The  
> warning
> messages about UDPTL t38 that I said previously display during the  
> transfer
> of the fax. Call completes and fax looks great.
>
> Or
>
> Call originates from ATA. Asterisk sends call to 5300. 5300 says  
> its T38.
> The 5300 will, depending on if local or LD call, terminate either  
> PRI to
> PSTN or to carrier via H323. Call completes and fax looks great.
>
> All of it goes thru asterisk at some point.
>
> -Matthew
>
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