Faxing over IP Standard

As we have seen in the previous blog article , there are major problems in carrying faxes over IP. Let’s see why Faxing over IP is a reliable standard for transmission of faxes.

A standard which makes the communication much more reliable, whenever conditions are not optional, is T.38.

The T.38 fax relay standard was devised in 1998 as a way to permit the transmission of faxes across IP networks between existing Group 3 (G3) fax terminals. T.38 carries T.30, the protocol used by faxes, over a packet-oriented connection.

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Fax transmissions over IP

Let’s examine which available solutions allow for the transmission of faxes over IP and the best practises that reduce related problems.

Fax over VoIP is a usual requirement in many deployments. Although the number of fax sessions per year is constantly decreasing, for the next ten years or so, we still need to include fax support in any Unified Communication platform.

Faxing was never meant to be used over the Internet, as it was designed specifically for transmissions over telephone lines with circuit connections and low latency.

A Unified Communication solution can integrate a software server fax. This software simulates a real fax machine, and allows you to send or receive an image file to / from a remote fax endpoint.

Fax Over RTP

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