Being the method of pursuing the past record information of the call for the mobile station of method and the device null telecommunications network which pursue the past record of call of the mobile station user and the wire

摘要

PROBLEM TO BE SOLVED: To realize the technology for updating the history of calls at a new exchange in the case of using dynamic line assignment by tracing the history of calls of wire-line users. ;SOLUTION: A method or a device traces the history information of calls to telephone sets in an electronic communication network, this telephone set transmits a 1st message to an exchange that can dynamically assign this telephone set to a line card interface, a memory in this exchanges stores sets of 1st information to refer to this telephone set, this exchange transmits a 2nd message consisting of sets of 2nd information to refer to this telephone set to a network node and this network node transmits a 3rd message consisting of sets of 3rd information to refer to this telephone set to this exchange.;COPYRIGHT: (C)2000,JPO