VoIP phones are available as physical desk phones or as soft phones. Soft phones are computer applications that act as VoIP phones. If you have analog (traditional) phones, they can be used with the aid of a converter. The equipment below has been approved for use with our service.
DESK PHONES

Polycom VVX 1500 D
Protocols: SIP | Backlit Display: Yes | Headset Interface: RJ9 |
Lines: 6 | Color Display: Yes | Ethernet: 2-port 10/100/1000 |
HD Voice: Yes | Touchscreen Display: Yes | Power: PoE or PSU |
Additional Features: Dual Stack, Web Browser, USB 2.0 Port

Polycom VVX 600
Protocols: SIP | Backlit Display: Yes | Headset Interface: RJ9 |
Lines: 16 | Color Display: Yes | Ethernet: 2-port 10/100/1000 |
HD Voice: Yes | Touchscreen Display: Yes | Power: PoE or PSU |
Additional Features: 2 x USB 2.0 Ports, Integrated Bluetooth 2.1 EDR

Polycom SoundPoint IP 550
Protocols: SIP | Backlit Display: Yes | Headset Interface: RJ9 |
Lines: 4 | Color Display: No | Ethernet: 2-port 10/100 |
HD Voice: Yes | Touchscreen Display: Yes | Power: PoE or PSU |
Additional Features: Graphical Display

Polycom SoundPoint IP 331
Protocols: SIP | Backlit Display: Yes | Headset Interface: 2.5mm |
Lines: 2 | Color Display: No | Ethernet: 2-port 10/100 |
HD Voice: No | Touchscreen Display: No | Power: PoE or PSU |
Additional Features:

Yealink SIP-T48G
Protocols: SIP | Backlit Display: Yes | Headset Interface: RJ9 |
Lines: 6 | Color Display: Yes | Ethernet: 2-port 10/100/1000 |
HD Voice: Yes | Touchscreen Display: Yes | Power: PoE or PSU |
Additional Features:
SOFTPHONES

CounterPath eyeBeam
Protocols: SIP | Conference: Yes | License: Paid |
Multiple Accounts: Yes | Transfer: Yes | OS: Win2000, XP, Vista, Win7, Win8 |
STUN: Yes | Hold: Yes |
Audio Codecs: G.729, aLaw, uLaw, Speex, Broadvoice, iLBC, L16 PCM, GSM

CounterPath X-Lite
Protocols: SIP | Conference: Yes | License: Free |
Multiple Accounts: No | Transfer: No | OS: Vista, Win7, Win8, Mac OS X 10.8 or |
STUN: Yes | Hold: Yes | 10.9 |
Audio Codecs: G.722, aLaw, uLaw, Speex, iLBC, OPUS

ZoiPer
Protocols: SIP, IAX, XMPP | Conference: No | License: Free |
Multiple Accounts: Yes | Transfer: No | OS: Windows, Mac, Linux, Android, iOS, |
STUN: Yes | Hold: Yes | WinPhone |
Audio Codecs: aLaw, uLaw, Speex, iLBC, GSM

Telephone for Mac
Protocols: SIP | Conference: Yes | License: Free |
Multiple Accounts: Yes | Transfer: Yes | OS: Max OS X 10.8 or later |
STUN: Yes | Hold: Yes |
Audio Codecs: G.729, G.711
ATA / IAD CONVERTERS

Grandstream HT701 ATA
Protocols: SIP | FXS Ports: 1 | Provisioning: Auto Provisioning, |
DHCP: No | FXO Ports: 0 | HTTP, HTTPS, TFTP |
Fax: T.38 | Ethernet Ports: 1 |
Audio Codecs: G.729, G.723, aLaw, uLaw, iLBC

Grandstream HT702 ATA
Protocols: SIP | FXS Ports: 2 | Provisioning: Auto Provisioning, |
DHCP: No | FXO Ports: 0 | HTTPS, Web GUI |
Fax: T.38 | Ethernet Ports: 1 |
Audio Codecs: G.729, G.726, G.723, aLaw, uLaw, iLBC

Polycom VVX 600
Protocols: SIP | Backlit Display: Yes | Headset Interface: RJ9 |
Lines: 16 | Color Display: Yes | Ethernet: 2-port 10/100/1000 |
HD Voice: Yes | Touchscreen Display: Yes | Power: PoE or PSU |
Additional Features: 2 x USB 2.0 Ports, Integrated Bluetooth 2.1 EDR