Aastra M675i Phone Expansion Module

Features: 20 Soft keys with LED's. Graphical LCD display (144x128 pixels). Configurable Soft white backlight. Up to 9 call appearance lines over the phone and expansion modules. Shared Call and Bridged Line Appearances. Busy Lamp Field. Programmable Speed dials. Custom XML feature key support. Call park and pickup. Directory. Callers log. Do Not Disturb. Flash features. Connect up to 3 expansion modules per supported phone model. Wall Mountable.

compatible with Aastra 6757i and Aastra 6757i CT.