Esker Fax Server vs Star2Star comparison

Esker Fax seamlessly integrates with Microsoft® Exchange Server, allowing users to send, receive and manage faxes through their standard Outlook or Exchange inboxes. Users can send and receive faxes through their email interface, unifying their messaging activities under a single client.

Star2Star unifies customers'​ voice, video, fax, instant messaging and presence management into a single, easy-to-use system. The company has one of the highest long-term customer retention rates in the industry at 99.85% and has been recently recognized by numerous leading analysts.