Polycom OBi200 VoIP Telephone Adapter with Google Voice & SIP (Formerly OBIHAI OBi200)

Works with Google Voice
Easy to Set-Up Using OBiTALK.com - Including 911 service from PunchAlert
Add WiFi connectivity via USB and Polycom accessory OBiWIFi5G
Supports faxing and T.38 Fax
Supports Bring Your Own Device Services like Anveo, Callcentric, Voip.ms, etc.
Works with Up to Four (4) VoIP Services
1 Phone Port for connection to a telephone or fax machine
1 Ethernet port for connection to a home router