Viking's IP Talk-Back Speaker
Viking’s IP talk-back speaker enables two-way conversations over SIP, standard paging and background music using multicast. It connects with a Cat5/6 cable from the PoE switch. An auxiliary switch input allows a hard wired button to initiate a standard or emergency SIP call. It is available in two housings: model 22TB-IP, a 2-by-2-ft. ceiling tile and model 40TB-IP, an 11-in. round housing.