. Exceptional HD sound with wideband technology
. Up to 4 simultaneous external calls
. Up to 2 simultaneous calls per handset
. Up to 5 DECT cordless handsets
. Up to 5 VoIP accounts
. 1.8″ color display with intuitive user interface
. 5~10 hours talk time, 100 hours standby time
. Integrated PoE（Class 1）
. Desktop or wall mountable