Features:
< 2 SIP lines
< Built-in 3W speaker and AEC algorithm
< Integrate smart security, video intercom and broadcast
< With emergency call button interface, one-button call
< Support one output short circuit and one input short circuit for emergency button.
< Support PoE power supply
< Used in different environment and application scenarios.
< Water-proof, Dust-proof and Striking-proof design, avoiding malicious damage
< High compatibility
< Compatible with SIP-based mainstream IP PBX/softswitch/IMS platforms, such as Asterisk, Broadsoft, 3CX, Metaswitch, Elastix, Avaya, etc.