Not all supported models are listed. Please contact for a complete support matrix.
Manufacturer：Intertel
Model(s)：Axxess
Phone Set Type：
| 520.4300 Basic | 550.4000 Standard | 550.4100 Executive |
| 550.4400 Standard | 550.4500 Executive | 560.4101 Basic |
| 560.4201 Associate | 560.4301 Professional | 551.4400 |
| 551.4100 |
Manufacturer：Intertel
Model(s)：CS5200
Phone Set Type：
| 8520 | 8560 |