Aastra M622 Expansion Module (A1611-0000-10-07)
The Aastra M622 offers your business enterprise a wide variety of features and functions. This unit provides an additional 22 buttons to Aastra phones. Two units may be added to a phone.
Features
- Expansion Unit: 22 Button
- LCD indicators
- Maximum of 2 units can be used
- Maximum of 44 extra programmable buttons
- Add-On Module: Compatible with both the M6310 and M6320