The front plat of this model is aluminum alloy material with cast aluminum back plate, it makes sure that this model support waterproof, dustproof function and IP65 protection level; We also use build-in tamper-proof detector to prevent external destroy.
Support one call key and two keys mode to choose.
With voice record output, can connect to hard disk video recording..
Two input, support to connect with infrared probe, door sensor, vibration sensor and emergency button etc., build the security linkage.
Two output, can connect with alarm lamp, locks and other equipment, control the security linkage through DTMF, remote server or two output input linkage controller.
With external active speaker output interface, support HD voice(G.722) background music broadcast.
High compatibility – Compatible with major platforms:Aterisk,Broadsoft,3CX, Metaswitch, Elastix, Avaya etc.