Excelltel CS+432 32 Extension 4 CO Business PBX Switch

32 User apartment intercom system with the office telephone system, caller ID transferred, auto fax detects, automatically IP code access, extension password, line access mode selection, line duration time limit, day / night service, monitor voice record, 7 multiple channel communication, outside caller call extension by one touch, auto / manual dial-out mode, PC call management and bill software support, speed dialing, external music on hold socket.