There are a lot of great choices for telephones ... and some that are not. We continue to evaluate and explore new devices as they become available. If you have a recommendation, please let us know!
For the best experience we recommend devices that have been tested and certified by our engineers and enjoy:
If purchasing new phones, stick to these!
Green — Top Rated and our favorites, these devices are highly recommended.
Yellow — Recommended by and popular among customers.
Red — Devices that will work but may be unreliable, a security risk, discontinued or abandoned by the manufacturer. We cannot provide technical support for these devices, use at your own peril.
Will it work? Probably. Not being listed just means that we haven't tested it and we may not be much help if you need assistance. If you have a device you want us to evaluate let us know by contacting the Helpdesk.
You can use any SIP device using the registration information provided, we do not restrict devices to this list. However, technical support will be limited to the service only. We encourage you to experiment and test.
| Make | Model | Certified |
|---|---|---|
| Poly | Edge 100 | ✓ |
| Poly | Edge 220 | ✓ |
| Poly | Edge 300 | ✓ |
| Poly | Edge 320 | ✓ |
| Poly | Edge 350 | ✓ |
| Poly | Edge 400 | ✓ |
| Poly | Edge 450 | ✓ |
| Poly | Edge 500 | ✓ |
| Poly | Edge 550 | ✓ |
| Polycom | Obi 300 | ✓ |
| Polycom | Obi 200 | |
| Polycom | Obi 202 | |
| Polycom | SoundPoint-IP 300 | |
| Polycom | SoundPoint-IP 301 | |
| Polycom | SoundPoint-IP 320 | |
| Polycom | SoundPoint-IP 330 | |
| Polycom | SoundPoint-IP 321 | ✓ |
| Polycom | SoundPoint-IP 331 | ✓ |
| Polycom | SoundPoint-IP 335 | ✓ |
| Polycom | SoundPoint-IP 430 | |
| Polycom | SoundPoint-IP 450 | ✓ |
| Polycom | SoundPoint-IP 500 | |
| Polycom | SoundPoint-IP 501 | |
| Polycom | SoundPoint-IP 550 | ✓ |
| Polycom | SoundPoint-IP 560 | ✓ |
| Polycom | SoundPoint-IP 600 | |
| Polycom | SoundPoint-IP 601 | |
| Polycom | SoundPoint-IP 650 | ✓ |
| Polycom | SoundPoint-IP 670 | ✓ |
| Polycom | VVX 101 | ✓ |
| Polycom | VVX 201 | ✓ |
| Polycom | VVX 300 | ✓ |
| Polycom | VVX 310 | ✓ |
| Polycom | VVX 301 | ✓ |
| Polycom | VVX 311 | ✓ |
| Polycom | VVX 400 | ✓ |
| Polycom | VVX 410 | ✓ |
| Polycom | VVX 401 | ✓ |
| Polycom | VVX 411 | ✓ |
| Polycom | VVX 500 | ✓ |
| Polycom | VVX 501 | ✓ |
| Polycom | VVX 600 | ✓ |
| Polycom | VVX 601 | ✓ |
| Polycom | VVX 1500 | ✓ |
| Polycom | VVX 150 | ✓ |
| Polycom | VVX 250 | ✓ |
| Polycom | VVX 350 | ✓ |
| Polycom | VVX 450 | ✓ |
| Polycom | SoundStation-IP 4000 | ✓ |
| Polycom | SoundStation-IP 5000 | ✓ |
| Polycom | SoundStation-IP 6000 | ✓ |
| Polycom | SoundStation-IP 7000 | ✓ |
| Yealink | T33G | ✓ |
| Yealink | T23G | ✓ |
| Yealink | T27G | ✓ |
| Yealink | T29G | ✓ |
| Yealink | T40G | ✓ |
| Yealink | T42G | ✓ |
| Yealink | T46G | ✓ |
| Yealink | T48G | ✓ |
| Yealink | T19P | ✓ |
| Yealink | T21P | ✓ |
| Yealink | T23P | ✓ |
| Yealink | T40P | ✓ |
| Yealink | T41P | ✓ |
| Yealink | T41S | ✓ |
| Yealink | T42S | ✓ |
| Yealink | T46S | ✓ |
| Yealink | T48S | ✓ |
| Yealink | T53W | ✓ |
| Yealink | T54W | ✓ |
| Yealink | T57W | ✓ |
| Yealink | VP-T49G | ✓ |
| Yealink | CP960 | ✓ |
| Yealink | CP930W | ✓ |
| Yealink | CP920 | ✓ |
| Yealink | CP860 | ✓ |
| Yealink | T56A | ✓ |
| Yealink | T58A | ✓ |
| Yealink | T52A | ✓ |
| Yealink | T54A | ✓ |
| Yealink | T58A | ✓ |
| Yealink | W41P | ✓ |
| Yealink | W52P | ✓ |
| Yealink | W53P | ✓ |
| Yealink | W56P | ✓ |
| Yealink | W60P | ✓ |
| Yealink | W76P | ✓ |
| Cisco | 3905 | |
| Cisco | 3911 | |
| Cisco | 6901 | |
| Cisco | 6921 | |
| Cisco | 6945 | |
| Cisco | 6961 | |
| Cisco | 7811 | |
| Cisco | 7821 | |
| Cisco | 7841 | |
| Cisco | 7861 | |
| Cisco | 7832 | |
| Cisco | 7940G | |
| Cisco | 7945G | |
| Cisco | 7960G | |
| Cisco | 7965G | |
| Cisco | 7975G | |
| Cisco | 8811 | |
| Cisco | 8831 | |
| Cisco | 8841 | |
| Cisco | 8845 | |
| Cisco | 8851 | |
| Cisco | 8861 | |
| Cisco | 8865 | |
| Cisco | 8832 | |
| Cisco | 8821 | |
| Cisco | ATA 190 | |
| Cisco | ATA 191 | |
| Cisco | ATA 192 | |
| Cisco/LinkSys | SPA112 | |
| Cisco/LinkSys | SPA122 | |
| Cisco/LinkSys | SPA232D | |
| Cisco/LinkSys | SPA301 | |
| Cisco/LinkSys | SPA303 | |
| Cisco/LinkSys | SPA501G | |
| Cisco/LinkSys | SPA502G | |
| Cisco/LinkSys | SPA504G | |
| Cisco/LinkSys | SPA508G | |
| Cisco/LinkSys | SPA509G | |
| Cisco/LinkSys | SPA512G | |
| Cisco/LinkSys | SPA514G | ; |
| Cisco/LinkSys | SPA525G2 | |
| Cisco/LinkSys | SPA901 | ; |
| Cisco/LinkSys | SPA921 | |
| Cisco/LinkSys | SPA922 | |
| Cisco/LinkSys | SPA932 | |
| Cisco/LinkSys | SPA941 | |
| Cisco/LinkSys | SPA942 | |
| Cisco/LinkSys | SPA962 | |
| Cisco/LinkSys | SPA2102 | |
| Cisco/LinkSys | SPA3102 | |
| Cisco/LinkSys | SPA8000 | ; |
| Cisco/LinkSys | SPA8800 | |
| Grandstream | GRP2615 | ✓ |
| Grandstream | GRP2636 | ✓ |
| Grandstream | GRP2650 | ✓ |
| Grandstream | HT801 | ✓ |
| Grandstream | GRP2670 | ✓ |
| Grandstream | WP822 | ✓ |
| Grandstream | WP825 | ✓ |
| Grandstream | GXP1610 | |
| Grandstream | GXP1615 | |
| Grandstream | GXP1620 | |
| Grandstream | GXP1625 | |
| Grandstream | GXP1628 | |
| Grandstream | GXP1630 | |
| Grandstream | GXP1760 | |
| Grandstream | GXP1760W | |
| Grandstream | GXP1780 | |
| Grandstream | GXP1782 | |
| Grandstream | GXP2130 v2 | |
| Grandstream | GXP2135 | |
| Grandstream | GXP2140 | |
| Grandstream | GXP2160 | |
| Grandstream | GXP2170 | |
| Grandstream | GXV3240 | |
| Grandstream | GXV3275 | |
| Grandstream | GXV3370 | |
| Grandstream | DP720 | |
| Grandstream | DP750 | |
| Grandstream | DP760 | |
| Grandstream | WP820 | |
| Grandstream | HandyTone 502 | |
| Grandstream | HandyTone 503 | |
| Grandstream | HandyTone 701 | |
| Grandstream | HandyTone 702 | |
| Grandstream | HandyTone 704 | |
| Grandstream | HT801 | |
| Grandstream | HT801 | |
| Grandstream | HT802 | |
| Grandstream | HT812 | |
| Grandstream | HT813 | |
| Grandstream | HT814 | |
| Grandstream | HT818 | |
| Grandstream | GXW4004 | |
| Grandstream | GXW4008 | |
| Grandstream | GXW4104 | |
| Grandstream | GXW4108 | |
| Grandstream | GXW4200 | |
| Grandstream | GAC2500 | |
| Grandstream | GVC3200 | |
| Grandstream | GVC3202 | |
| Grandstream | GVC3210 | |
| Grandstream | IPVT10 |