Grandstream DP730 Cordless IP phone that allows users to mobilize their VoIP network, supports up to 10 SIP accounts, and 10 lines per handset. With up to 400 meters outdoors (with DP752) and 50 meters indoors with 40 hours of talk time. The DP730 gives you the HD experience with HD audio to maximize audio quality and clarity; full-duplex speakerphone
Grandstream DP730 Cordless IP phone Feature List
DECT authentication & encryption technology to protect calls & account
10 SIP accounts per system; up to 10 lines per handset
Range of 400 meters, and talk time of 40 hours.
3-way audio conferencing for easy conference calls.