... paging system could be used as one person page more person, for example 1.manager to assistance 2.Doctor ... paging System IntroductionThis system is for one person page more person. There is a wireless numeric keyboard for the ... applicable to all kinds of service status of one against more. Such as COOK ---TO---WAITERS, MANAGER--TO--SECRETARIES, ... Color: Black Staff paging system. One against more system.