Standby Time 400h Talk Time 30h Battery Lithium Headset 3.5 mm Indoor Range/Outdoor Range 50m/300m Handset number of base Up to 8 handsets SIP Accounts 8 Simultaneous Voice Calls 8 Repeater √ DECT standard CAT-iq2.0 3-way Conferencing √ Speed Dial √ Display LCD Display 2.4" 240 x 320 TFT colour display LCD Backlight √ Audio Wide-band Codecs Opus, AMR-WB (optional), G.722 Narrow-band Codecs PCMU, PCMA, G.726, G.729, iLBC HD Voice √ Interface Ethernet Interface 10/100M POE √ Bluetooth x Wall Mountable Base √