•    8 lines, 8 dual-color line keys (with 4 SIP accounts), 4 XML programmable contextsensitive soft keys
•    32 digitally programmable & customizable BLF/fastdial keys
•    HD wideband audio, fullduplex speakerphone with advanced acoustic echo cancellation
•    5-way audio conferencing for easy conference calls
•    Dual-switched Gigabit ports (GXP1782) or dual-switched 10/100Mbps ports (GXP1780), integrated PoE
•    Built-in USB port for importing and exporting data only
•    Supports headset use with a RJ9 headset jack and EHS support for EHS-capable Plantronics headsets
•    TLS and SRTP security encryption technology to protect calls & accounts and Kensington Security Slot support
•    Large phonebook capacity with up to 2,000 contacts and call history with up to 500 records
•    Use with Grandstream’s UCM series IP PBX appliance for Zero- Config provisioning, also supports automated provisioning using TR-069 or AES encrypted XML configuration file