VoIP MoVoIP Blog

Just to Prove - Fax is not dead…

April 16th, 2009

In a previous post we discussed about Fax support not being dead on IP systems and we see that Asterisk has now added improved fax working to it’s portolio of solutions with the addition of Fax for Asterisk software.

Users can download software from Digium’s online store. It is free for installations requiring only one fax session at a time, while multiple session licence is available for extra cost per simultaneous channel. The software allows faxing to and from the PSTN and IP telephony networks.

If the Asterisk IP PBX in question uses analogue PSTN line cards, the software sends faxes through those. It supports V.17, V.27 and V.29 fax modems, and operates at speeds of up to 14.4 Kbps. If the IP PBX installation uses an IP telephony service, the software will then use the T.38 protocol (if the provider supports it). Users send and receive faxes in the form of TIFF image files.

Fax is one of those technologies that will not go away so IP PBX vendors are being pushed by market forces to produce a solution and it is good to see Digium respond.

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Entry Filed under: Voice over IP