THREE PBX supports the current model Fanvil, Grandstream GRP/FXW, Polycom, Snom, Vtech, Yealink Phones. Please note that we can only offer limited support for EOL (End of Life) equipment.

Please note that Fanvil and Grandstream recently passed certification in early 2020. Support may be limited to technicians that have worked with the product before and you may receive a slower response time while our technicians are being trained on the products.

We will offer limited Support for Grandstream GXP-21XX, Cisco SPA, Cyberdata. For all other phones and equipment, we only provide registration support on a best effort basis. 

To view a full list of supported Phones/Devices visit:  http://docs.threepbx.com/articles/52756-supported-phones-devices