楼宇门禁对讲主机程序：可编99（楼层）*99（房号）号码。与一般对讲系统不同的是：有密码激活和临时密码延长一次“不开锁”功能，可敦促房产商及时回款-Talkback host building access control procedures: can be made available for 99 (floor)* 99 (room number) numbers. Intercom system in general is different: the activation password and a temporary password to extend the " no unlock"　feature, may call a timely return to paragraph房产商