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OpenText Core Fax vs eFax comparison

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

eFax
Ranking in Fax over IP (FoIP)
10th
Average Rating
0.0
Number of Reviews
0
Ranking in other categories
No ranking in other categories
OpenText Core Fax
Ranking in Fax over IP (FoIP)
3rd
Average Rating
0.0
Number of Reviews
0
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of April 2026, in the Fax over IP (FoIP) category, the mindshare of eFax is 1.5%, down from 9.3% compared to the previous year. The mindshare of OpenText Core Fax is 10.3%, down from 11.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Fax over IP (FoIP) Mindshare Distribution
ProductMindshare (%)
OpenText Core Fax10.3%
eFax1.5%
Other88.2%
Fax over IP (FoIP)
 

Comparisons

No data available
 

Also Known As

No data available
XM Fax
 

Overview

 

Sample Customers

Information Not Available
Nancy University Hospital, France’s Ministry of the Environment, The University of Toronto, The Mansfield Building Society, Iristel