METHOD AND SYSTEM FOR RE-TRANSMITTING A MESSAGE IN WIRELESS INTERPHONE MULTI-SYSTEM

摘要

A system for re-transmitting a message in a wireless interphone multi-system is provided to confirm a location of interphone registering place and transmit message by the location of the interphone place. A mobile communications terminal(210) is the second place of business the movement in the in-plant first place of business, or the first place of business the movement in the second place of business. In the moved final place of business, the location registration is performed via the corresponding base station to the corresponding in-plant radio network controller. According to the mobile communications terminal is the request of the in-plant SMS message from the first in-plant message unit(240) or the second in-plant message unit(270). The in-plant SMS message is received through the first base station(220) or the second base station(250). The first wireless in-plant control station(230) or the second wireless in-plant control station(260) receives the in-plant outbound call from the mobile communications terminal positioned within the jurisdiction in-plant place of business.