Digium's Fax For Asterisk adds fax sending and receiving capabilities to Asterisk and Switchvox. Fax For Asterisk supports analog and VoIP (T.38) faxing.
Fax For Asterisk provides two components: res_fax and res_fax_digium. Res_fax is an Asterisk resource module that adds fax termination and origination functionality in Asterisk. It provides Asterisk dialplan functions and dialplan applications to enable the user to build highly-customizable fax solutions. Res_fax_digium provides core fax processing functionality in the form of several supported fax modems — V.21, V.27ter, V.29, and V.17 — to achieve speeds up to 14400bps.
Fax For Asterisk provides the functionality to send and receive faxes to / from TDM and IP channels — TDM channels are established across Digium telephony boards and IP channels can use regular G.711 audio encoding or T.38 encapsulation. Faxes transmitted and received by Fax For Asterisk begin and end as TIFF image files. TIFF files may be readily converted into or from other formats using standard Linux command-line utilities.
Digium's customers of Fax For Asterisk may purchase license keys coded for a specific number of channels. Each channel of capability allows Fax For Asterisk to initiate one modem session and process one fax session. As customers need additional channel capacity, they may purchase additional channels of fax capacity and register those keys to their existing Asterisk system to use the aggregate number of channels available across all keys registered to a single Asterisk.
Analog & VoIP (T.38) Fax
Supported Modem Types - V.17, V.27, V.29
Supported Transfer Rates (in bps) - 2400, 4800, 7200, 9600, 12200, 14400
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Digium provides case-based e-mail and phone support from Monday-Friday, 7am-8pm, CST/CDT (GM -6/-5).
In addition, Digium provides online documentation and knowledge base articles accessible from its website.
Other community-based support offerings are available including online mailing lists, an IRC channel and forums.
For links to each, please visit the Digium website
All new Digium telephony cards come with a 5 year warranty and are backed with Digium's Exceptional Satisfaction Policy. See Digium's website for more information about product warranties.
Digium®, Inc., the Asterisk® Company, created and is the innovative force behind Asterisk, the most widely used open source telephony software. Since its founding in 1999 by Mark Spencer, Digium has become the open source alternative to proprietary communication providers, with offerings that cost as much as 80 percent less. Digium offers Asterisk software free to the open source community and offers Switchvox, Digium's Unified Communications solution to power a broad family of products for small, medium and large businesses. The company's product line includes a wide range of telephony hardware and software to enable resellers and customers to implement turnkey VoIP systems or to design their own custom communications solutions. At Digium, we're changing the way businesses communicate.
Digium offers certification of selected products to ensure their interoperability with Certified Asterisk as well as Digium's other products. A Digium certified product provides an assurance of quality and interoperability of the product with Asterisk.