Faxing and PCI (was Re: [Asterisk-Users] Digium cards,

[Olivier Krief]

2006/4/19, Lee Howard <faxguy at howardsilvan.com>:

> iaxmodem uses the spandsp library.  So currently its modulation protocol
> support is limited to V.27ter and V.29.  Partial (sending) V.17 support
> is available.  V.34 (Super G3) support is not.  So those are fax speeds
> 2400 bps through 14400 bps for sending and 2400 bps through 9600 bps for
> receiving.  Most new fax machines that you would purchase off-the shelf
> would support either 2400-14400 or 2400-33600 depending on whether or
> not it supported Super G3.


So, the suggested design for a fax-enabled PBX solution could be :
- for an "average fax use" (faxes from time to time, no fax mailings,
telecom budget capable to bear longer durations for fax sendings), use an
Asterisk-Hylafax-iaxmodem or your ITSP offering

- for an "intermediate fax use" (fax mailings from time to time, sensitive
telecom budget), use an Asterisk server with TDM passthru and a dedicated
Hylafax fax modem equiped server or dedicate some PSTN lines to a fax server

- for an "intensive fax use" (all day long fax mailings, high cost
sensitivity), use a dedicated Fax Service Provider with competitive offering
in the areas you are fax-mailing to.

What do you think of that ?
Regards
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