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What is Fax over IP (FoIP)?

Fax over IP (FoIP) solutions mindshare

As of September 2025, in the Fax over IP (FoIP) category, the mindshare of OpenText Fax is 26.7%, down from 36.2% compared to the previous year. The mindshare of GFI FaxMaker is 15.0%, up from 5.9% compared to the previous year. The mindshare of Alcatel-Lucent OpenTouch Fax Center is 11.9%, up from 3.7% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Fax over IP (FoIP) Market Share Distribution
ProductMarket Share (%)
OpenText Fax26.7%
GFI FaxMaker15.0%
Alcatel-Lucent OpenTouch Fax Center11.9%
Other46.4%
Fax over IP (FoIP)

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