Details：
Hands free mode, ordinary telephone usage; Optical fiber interface can support POE; POE or DC12V power supply; When the callee rings, the loudspeaker rings; Support speed dial function, 4 groups of one touch dialing; WEB page registration configuration, automatic response, hotline number, no disturbance and other methods; Compatible with various sip protocols IPPBX, supporting alarm broadcast video trigger linkage
Details：
Handset mode, ordinary telephone use mode; Optical fiber interface can support POE; POE or DC12V power supply; When the callee rings, the loudspeaker rings; Support speed dial function, three groups of one touch dialing; WEB page registration configuration, automatic response, hotline number, no disturbance and other methods; Compatible with various sip protocols IPPBX, supporting alarm broadcast video trigger linkage
Details：
Hands free mode, ordinary telephone usage; Optical fiber interface can support POE; Power supply mode: POE or DC12V; When being called to ring, the alarm light rings and flashes; Support speed dial function, 4 groups of one touch dialing; WEB page registration configuration, automatic response, hotline number, no disturbance and other methods; Compatible with various sip protocols IPPBX, supporting alarm broadcast video trigger linkage
Details：
Handset mode, ordinary telephone use mode; Optical fiber interface can support POE; Power supply mode: POE or DC12V; When being called to ring, the alarm light rings and flashes; Support speed dial function, three groups of one touch dialing; WEB page registration configuration, automatic response, hotline number, no disturbance and other methods; Compatible with various sip protocols IPPBX, supporting alarm broadcast video trigger linkage
Details：
Hands-free mode, ordinary phone use; RJ45 interface, can support POE; POE or DC12V power supply; when the called party rings, the loudspeaker will ring and the warning light will flash; support speed dial function, 4 groups of one-key dialing; WEB page Registration configuration, automatic answer, hotline number, do not disturb, etc.; compatible with various SIP protocol IPPBX, support alarm broadcast video trigger linkage
Details：
Handset mode, ordinary telephone usage; RJ45 interface, can support POE; POE or DC12V power supply; when the called party is ringing, the loudspeaker will ring and the warning light will flash; support speed dial function, 3 groups of one-key dialing; WEB page registration Configuration, automatic answer, hotline number, do not disturb, etc.; compatible with various SIP protocol IPPBX, support alarm broadcast video trigger linkage
