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12，专供壁挂式多线消防电话主机KT9251/B（壁挂式消防通讯主机）
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-mounted structure)
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 provided for the main phone.
3, Each extension can call the main phone without dialing. And the main phone can call any of the fitted extension too. What’s more, the extension number displays when it is calling.
4,The systems can start digital recording when communicating.