Supported Yealink VoIP phones.
Yealink has 3 different conference phones...
The Yealink CP960 IP conference phone is a perfect choice for small and medium-sized conference rooms and can support two additional wired microphone units (CPE90) or 2 additional wireless microphone units (CPW90).
General Telephone System Support Articles
Information on the Message Center / Voicemail system and options.
Internet Information, Access and Support