W56p business hd ip dect phone narrowband codec: g.711µ/A, g.723, G.726, G.729, Ilbcup to 4 simultaneous voice call sup to 5 dect cordless handsets up to 5 multiple lines/sip accounts2.4″ 240 X 320 pixel color screen with intuitive user interface up to 30 hours talk time and up to 400 hours standby time quick charging: 10 minutes of charging for 2 hours talk time supports usb charging headset connection via 3.5Mm jack charger is wall-mountable new and improved belt clip range: up to 50m indoors and 300m outdoors call hold3-way conferencing caller id, call waitingvoicemaillocal phonebook for up to 500 entries full-duplex speakerphone wideband audio increase range with up to 6 repeatersbroadsoft compatible power over Ethernet (ieee 802.3Af)includes one base station, 1 handset, 1 belt clip, 2 rechargeable batteries, 1 charger cradle, 2 power adapters, 1 Ethernet cable, and quick start guide.