| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an intercom system having an emergency call function according to specific operation from an intercom slave apparatus.SOLUTION: An intercom slave apparatus 1 includes: a call button 12 for performing specific operation; and a communication unit 14 for enabling communication with a called terminal 4. An intercom master apparatus 2 includes: a call signal determination unit 21 for determining the specific operation from the intercom slave apparatus 1 in response to the specific operation; relation registration means for non-emergency time correspondence registration means 22/emergency time correspondence registration means 22 depending on the determination; and an emergency call function corresponding to the intercom slave apparatus 1.</p> |
