Details：
Handsfree mode, one click call usage; Fiber optic interface, capable of supporting POE; Power supply method: POE or DC12V; When called to ring, the alarm light rings and flashes; Support quick dial function; WEB page registration configuration, automatic response, hotline number, no disturbance, and other methods; Compatible with various sip protocols IPPBX, supporting alarm broadcast video triggering linkage
Details：
Hands free mode, ordinary telephone usage; Optical fiber interface, DC12V power supply; When being called to ring, the loudspeaker rings and the alarm light 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, DC12V power supply; When being called to ring, the loudspeaker rings and the alarm light 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 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
