I've just stumbled across a rather weird problem and was wondering if someone could shed some light on the situation.

In testing faxing through Asterisk using Voicepulse Connect for trunking I am able to receive faxes without a hitch. Quite impressive considering previous experience with certain other VOIP providers. Today I finally got around to testing outbound faxing and found that if I have trunk=yes defined along with g.711 (ulaw), I am not able to send faxes out. I get a poor line condition, comms error, etc. If I turn trunking off the fax machines establish a connection quite readily and the fax goes through lickety split.

So how is it that with trunking on I can receive faxes but not send? Perhaps this is a Voicepulse bug?

And for anyone else wondering about Sixtel (iax.cc) faxing (at least outound) just doesn't seem to work at all through them. When a call connects you a hear a brief CNG tone and then the line goes silent. Maybe they have T.38 turned on.

-mark

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Mark Eissler, [EMAIL PROTECTED]
Mixtur Interactive, Inc. [EMAIL PROTECTED] http://www.mixtur.com

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