Aastra 5050 Caller ID Unit

Features: 3 line high resolution LCD displays. 56 Name and Number of Call Log. Call Waiting Caller ID. Date/time display. visual call waiting. Multi-function LED Indicator. Language (English/French/Spanish). Message Waiting light on/off control. Delete Button (individually or collectively delete). Dial Button. Flash Button. New Calls. Line in use. Review calls in Call Log. Desktop or built-in wallmount.

Power Specifications: 9V DC 300mA transformer, center negative.