Speakers with HD sound chamber
Call waiting function with SIP paging, multicast paging, priority override
Full-band and wideband audio codec support including Opus and G.722
20W power amplifier output interface (external auxiliary speaker)
1 10/100Mbps network port, supports PoE/PoE+

White metal shell
10/100M adaptive Ethernet interface
20W power amplifier output
Support SIP

20W speaker
PoE function equipment can be attached
Standard SIP protocol, RTP multicast
Support private broadcast protocol

SINREY SIP Ceiling Speaker 743V can be seamlessly integrated into VoIP systems. It supports SIP v1 (RFC2543) and v2 (RFC3261) protocols, ensuring reliable and clear communication for paging, announcements and intercom applications.