SIP印刷电路板 KN718

SIP Video PCB Board KN718 Main features 1. Working at -20℃-+70℃ hazardous industrial environment, 3 I/O output and input for external control optional. 2. Support WAN/LAN, full duplex two way communication, echo cancellation, remote upgrade online. 3. Web page up to 50+ IP station group/direct call without IPPBX, adjustable sound volume. 4. IP address sound reporting. 5. Support call video recording auto upload function. 6. Support HD camera 720P 15 frames or 1080P 25 frames optional. 7. Support POE or DC12V powered. 8. Camera with or without night vision luminous ring optional. 9. Built-in 3W speaker, can be upgraded to 6W. 10. Hands-free one-button or 2-button speed dialing, or free dialing with keypad optional. 11. Door phone RFID card reader available upon request, boardcast amplifier for paging optional. 12. CCTV and other third party equipment trigger available. 13. SIP 2.0 protocol. 14. 5 years warranty