The DP720 allUtilize mobility and call efficiency to increase the productivity throughout any communications network. The DP720 mobile DECT handset is the perfect solution for any business, warehouse, retail store or residential environment. It is supported by Grandstream’s DP750 DECT VoIP base station.ows the user to unbind themselves from their desk and move freely and efficiently throughout the work environment. When paired with Grandstream’s DP750, the DP720 offers a mobilized VoIP solution for any business or residential user. This mobile DECT handset is the ideal choice for users who are looking to be mobile and have access to essential call control features. Up to 5 DP720 handsets can pair with a single DP750 DECT base station, and each support up to 10 SIP accounts, full HD audio, a 3.5mm headset jack, multi-language support, a speakerphone and more.