| 摘要 |
PROBLEM TO BE SOLVED: To provide an intercom system capable of easily recording images in a recording device provided separately by using a camera provided in an intercom slave unit like a surveillance camera.SOLUTION: An intercom system comprises a recording device 3 that performs recording operation by a networked camera protocol and is connected via a communication network. An intercom slave unit 1 includes a slave unit CPU 15 that establishes a link with the recording device 3 by the networked camera protocol and transmits photographed video by a camera 14, establishes a link with an intercom master unit 2 by an IP phone protocol and transmits the photographed video by the camera 14, and transmits and receives voice signals by the IP phone protocol. The intercom master unit 2 includes a master unit CPU 25 that establishes a link with the intercom slave unit 1 by the IP phone protocol, displays the photographed video 24 by the camera 14 on a display unit 24, and establishes a link with the intercom slave unit 1 by the IP phone protocol and transmits and receives voice signals. |
