AT640 Extension Module
EX20 works with AT640 as extension module in which way the IP Phone could monitor extensions’ status.
In stock
SKU
EX20
- Work with AT640/AT640P
- 20 programmable keys
- Powered by IP phone directly
- Double color LED indicator
- Supports BLF, Speed Dial, DND, Directory, Redial, Call Transfer, Call Forward, Call History
- Maximum 2 EX20 to work with AT640 at the same time
| upc | No |
|---|---|
| Options container | container2 |
| Manufacturer | No |
