Mitel M685i - key expansion module for VoIP phone

The M685i expansion module is used to further expand the performance and flexibility of the 6800i series IP telephones.

The power supply and line signal are provided via the telephone. This means that the modules do not require any additional cabling. Designed for receptionists, administrative assistants, call center agents, frequent callers and managers who regularly need to monitor and coordinate a large number of calls, the M685i expansion module is an intelligent choice for all IP enterprise environments.