Grandstream Dp720 Codeless IP Phone

High Definition Audio Multi-line Access, up to 10 SIP accounts (10 lines per handset) 1.8 inch (128×160) color TFT LCD display 23 keys including 2 soft keys, 5 navigation/menu keys, 4 dedicated function keys for Send, Power/End, Speakerphone, Mute 250 hours of standby time and 20 hours of talk time 3-color LED for message waiting indication (MWI) Supported telephony functions: Up to 3-way audio conference, hold, transfer, forward, call park/pickup, downloadable phonebook, call waiting, call log, auto answer, click-to-dial, flexible dial plan, music on hold 3.5mm headset jack DECT authentication & encryption technology to protect calls and accounts Automated provisioning options including TR-069 and XML configuration files Micro-USB port for alternative charging and non-battery operation Hear