厂家直供壁挂多线消防电话 主机
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详细信息

1,2N线制电话主机；有单门/8门/16门主机
2,主分互叫；分机摘机即通话，主机显号
3,可三方通话

Conventional Telephone Panel(Wall-mountedstructure)
1,The main phone can call several extensions one by one and permit
the extensions to communicate.
2,A total of 1/ 8/16 extensions can be providedfor the main phone.
3, Each extension can call the main phone without dialing. And the main phonecan call any of the fitted extension too. What’s more, the extension numberdisplays when it is calling.
4,The systems can start digital recording when communicating.