DECT Cordless HD Handset for Mobility
The DP722 is a DECT cordless HD handset for mobility and allows the user to move freely and efficiently throughout any work environment and is supported by Grandstream DECT VoIP base stations

Up to 20 lines and 20 SIP accounts (with DP755), or 10 lines and 10 SIP accounts (with DP752 and DP750)
Supports a range of up to 350 meters outdoors (with DP755/DP752) and 50 meters indoors with 20 hours of talk time and 250 hours standby time
1.8 inch (128×160) color LCD with 2 programmable soft keys
3-way conferencing
Push-to-talk via a configurable button
Seamless 1-touch door control with Grandstream’s GDS series of Facility Access devices
HD audio on the speakerphone, handset, and headset jack
Software and firmware updates over-the-air