PT-480e Centerpiont - Charcoal o ring There is an additional slot

There is an additional slot in the dual charger to charge a separate battery

or 3 seconds

The durable Mitel 3300 Phone Power Dongles in 6 Pack 51002525

3B: BASE UC2 + UCK + FMBB2 (ENCASTRE) is a LINK Door phone which is provided with 2 relays for lock control

easy access: users can access the application from the desktop shortcut or by right-clicking on the icon loaded on the system tray of their PC

PT-480e Centerpiont - Charcoal o ring There is an additional slotKey Features: Options key 4 programmable features On hook dialing Goodbye key Current date and time display, 4 display lines Contrast control for the Display Screen Ringer, Speaker and Receiver (Handset) volume controls Desk or wall mountable English French Spanish language choices Hearing aid compatible The TEV13211 PT 480e is ADA compliant Aastra TEV13211 PT 480e Centerpoint (Charcoal) Access to display based interactive services, context sensitive