发明名称 |
MOBILE COMMUNICATION SYSTEM, MANAGEMENT EQUIPMENT AND GROUP CALL METHOD |
摘要 |
PROBLEM TO BE SOLVED: To conduct group calling using position information of a mobile terminal equipment by configuring a group consisting of mobile communication terminal equipments and stationary terminal equipments. SOLUTION: A group is configured by a plurality of terminal equipments and registered in a group configuration memory 141 of a network/subscriber management equipment 51. In the case that a mobile communication terminal equipment 81 makes a call to the group, a call to a terminal equipment of a group membership closest to a designated position is instructed. The network/ subscriber management equipment 51 converts position information of the mobile communication terminal equipment of the group membership into corresponding are coordinates, obtains a distance between the converted area coordinate and the designated position and calls a mobile communication terminal equipment resident at a shortest distance to the designated position.
|
申请公布号 |
JPH1079793(A) |
申请公布日期 |
1998.03.24 |
申请号 |
JP19960233878 |
申请日期 |
1996.09.04 |
申请人 |
HITACHI LTD;NIPPON TELEGR & TELEPH CORP <NTT> |
发明人 |
IJIMA KENGO;TACHIKAWA ATSUSHI;KAWASAKI TAKESHI;ITOGA TAKESHI;IKUTA SUKENORI |
分类号 |
H04M3/46;H04M3/42;H04W4/08;H04W8/04;H04W8/18;H04W8/22;H04W68/08;(IPC1-7):H04M3/42;H04Q7/34 |
主分类号 |
H04M3/46 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|