Inter-tel Axxess 550.4400

Features: 2 line x 16 character alphanumeric LCD. Enables the programming of feature keys. Allows you to answer intercom and outside calls in hands free mode. Provides up to 8 levels of volume for speaker, ringers and handset. Performs a self test to check all keys, lamps and LCD. Optional PC Data Port Module provides a serial port connection for a DSS/BLF unit, PC/output device or Computer Telephony applications requiring a desktop OAI connection. Optional Modem Data Port Module connects to the PCDPM and provides an analog phone adapter.