DP730
:2.4 inch (240x320) color LCD with 3 programmable soft keys
Offers 40-hour talk time and 500-hour standby time
Supports up to 10 SIP accounts and 10 lines per handset as well as 3-way conferencing
Dedicated push-to-talk button, built-in proximity and accelerometer sensors for gesture control and alert notification
HD audio on the speakerphone, handset, and headset jack
Seamless 1-touch door control with Grandstream's GDS series of Facility Access devices
Software and firmware updates over-the-air