The Grandstream DP730 is a wireless IP phone that offers mobility and efficiency. It connects with the Grandstream DECT 750 and DECT 752 base stations and can support up to 5 DP730 phones per base, with each covering a range of up to 400 meters outdoors and 50 meters indoors, offering 40 hours of talk time and 500 hours of standby time. It supports up to 10 SIP accounts per handset, HD audio, a 2.4-inch color display, speakerphone, 3.5mm jack port, and much more. The Grandstream DP730 is fully compatible with any SoftPBX such as Asterisk, 3CX, Elastix, Broadsoft, Metaswitch, Tribox, FreePBX, and others.