Supports 4 lines, 4 SIP accounts and 5-way voice conferencingHD audio on speakerphone and handset, 5 programmable context-sensitive soft keysCompatible with GXP2200 LCD extension module (GXP2200 EXT)4.3 inch (480x272) color-screen LCDDual Gigabit ports, integrated PoEIntegrated Bluetooth for use wit..
12 lines, 6 SIP accounts, 5 soft keys and 5-way voice conferencing48 on-screen digitally customizable BLF/speed-dial keys4.3 inch (480x272) color-screen LCDDual Gigabit ports, integrated PoEIntegrated BluetoothSupports up to four GXP2200EXT Modules for BLF/speed-dial access to up to 160 contacts..
128x384 backlit LCD display20 programmable dual-color buttons per module, 2 pages per module (40 contacts total)BLF/speed dialDaisy-chain up to 4 modules for up to 160 contacts/extensionsBLA (bridged line appearance)/SCA (shared call appearance), BLF (busy lamp field, standard or eventlist), Call Pa..
4 or 8 FXS ports with PSTN life line in case of power failure2 10/100 Mbps network ports (switched or routed)Comprehensive codec support, caller ID, flexible dial plans and security protectionSupport for T.38 faxAdvanced security protection with SRTPFailover SIP server feature in case main SIP serve..