The SIP phone GRANDSTREAM GXP-1625 2 SIP accounts 2 line keys 3-way conferencing 3 XML programmable context-sensitive soft keys Dual-switched 10/100 mbps ports, integrated PoE on GXP1625 HD audio on speakerphone and handset EHS support for Plantronics headsets Up to 1000 contacts, call history up to 200 records