12 lines, 6 SIP accounts, 5 soft keys and 5-way voice conferencing
48 on-screen digitally customizable BLF/speed-dial keys
4.3 inch (480x272) color-screen LCD
Dual Gigabit ports, integrated PoE
1 SIP account, 2 line keys, 3-way conferencing, 3 XML programmable context-sensitive soft keys
Dual-switched 10/100 mbps ports
EHS support for Plantronics headsets
Up to 1000 contacts
Call history up to 200 records...
Supports G.711µ/a, G.722 (HD-audio), G.726-32, G.729, GSM, iLBC, Opus and Speex codecs
Security features include SIP over TLS and 128/256-bit SRTP
Up to 6-way audio conference, and 24 virtual BLF keys...
128x384 backlit LCD display
20 programmable dual-color buttons per module, 2 pages per module (40 contacts total)
Daisy-chain up to 4 modules for up to 160 contacts/extensions...
6 lines 6 SIP accounts, up to 6-way voice conferencing and 3-way video conferencing
Runs Android version 4.2 and offers full access to the Google Play Store
7 inch (1024x600) capacitive touch...