# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Contact ID
Contact ID is a signalling protocol, it contains all detail about events that are transmitted to the ARC. This includes alarms (input and area information), arm/set (area and user ID, disarm/unset (area and user ID) and system status.
Contact ID是一个信号传输协议,它包含被传输给接警中心的事件内的所有详细信息。信息包括警报(输入和子系统信息),布防(子系统和用户ID),撤防(子系统和用户ID)和系统状态。
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