[Asterisk-Users] Re: High Density configuration for Voice & Fax

[James H. Cloos Jr.]

>>>>> "Costa" == Costa Tsaousis <costa at tsaousis.gr> writes:

Costa> Are there any well known good H/W configurations for high
Costa> density E1 setups supporting * and FAX?

To do fax well still requires something on the board itself handling
the (de-)modulation.

Unfortunately, the current state of the art still uses one dsp per
ds0, rather than using a faster dsp and hard real-time scheduling
to process an entire span on one chip, so they re a lot more
expensive than digium's cards, and AFAIK are only available in
one (T1/E1) span per card configurations.

Given the expected adoption of IPP Fax¹ by the multi-function device
vendors I don't expect there will be any multi-span fax-capable cards
coming out either.

Hylafax.org has pointers to a couple of good boards for fax.

-JimC

¹ http://pwg.org/qualdocs/