Sangoma P310 is an everyday IP phone for use in the office reliable P310 is part of the Sangoma Value Based IP Phone Series effective This 2line VoIP phone has a 24inch color display familiar interface Specifications. Display 24 in 320 x 240 px color. Audio Codecs G722 G722ua G726 G729a. Ethernet 2x 10100 PoE. Handset 1x RJ9. Headset 1x RJ9 with EHS. Weight 24 lbs