At 12:10 PM 2/01/2007, Penedo wrote:
On 02/01/07, Ken Wilson <[EMAIL PROTECTED]> wrote:
Fax does not go well on VOIP, to do with VOIP sending discrete packets
and suppressing silences, where a fax is one great big block of data,
not designed to be broken up.
Yes I know that.
But there is something called T.38 (http://en.wikipedia.org/wiki/T.38) which
sounds like some standard to send Fax over IP between two "T.38 devices",
and I was wondering whether I can have some sort of a bridge which will
allow me to do:
PSTN-Fax -> <fax-to-T.38 plug> -> <FoIP line to bridge> -> <PSTN line> ->
<PSTN fax>
so it might help me send and receive faxes over the Internet using my
regular HP PSC 2400 all-in-one box.
T.38 needs to be implemented right through the VoIP path (ie: the
ATA/Voice gateway, the SIP/H.323 boxes etc) Even then, it's a nasty
piece of work to get right. I know some Telcos don't even support it.
Rob
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