METHOD AND SYSTEM FOR PROVIDING CALLING NUMBER HISTORY PRESENTATION SERVICE, AND CALLING NUMBER HISTORY PRESENTATION SERVICE SERVER

摘要

A missed calling history providing service system and a method and a missed calling history providing server capable of recognizing a service recognition are provided to notify the normal state by call collision not a normal call state. A missed call calling history offer service method at the mobile radio communications network is as follows. In the first process, the second call establishment is requested to the destination exchange of a called subscriber(S202). The state information is transmitted to a receiving home locating register(S206). In the second process, it determines in the destination home location register whether the called subscriber is subscribed to the call waiting service(S208). The phrases informing the missed call calling history service offered phrases and booked call service activation is transmitted with the short message type(S210).