1，廠家直供消防電話主機KT9251/DH9251（多線消防火警電話主機）

消防電話系統(tǒng)是專門用于消防控制中心（室）與建筑物各關(guān)鍵部位之間通話的電話系統(tǒng)。由消防電話總機、消防電話分機和傳輸介質(zhì)構(gòu)成。
1,2N線制電話主機，尺寸2U

2,單門、8門、16門、20門、40門

3,主分互叫；分機摘機即通話，主機顯號
4,可三方通話

5,通話時自動啟動20分鐘以上的數(shù)字錄音
6,呼叫、應答時間記錄，液晶屏顯示100條信息

Conventional Fire Telephone host
1,The main phone can call several extensions one by one and permit
the extensions to communicate.
2,A total of 8/16/20/40 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,Permits the second extension to call when the main phone is communicating with a different extension.
5, Call and response time was recorded；LCD screen can display 100 pieces of information