| 摘要 |
PROBLEM TO BE SOLVED: To suppress the traffic amount by a presence-in-area change processing in a communication system equipped separately with an access network and a service providing system. ! SOLUTION: When a terminal device M receives provision of communication service, an HSS/HLR 210 allocates to the terminal device M a CSCF unit 220 for providing the communication service in a cell C where the terminal device M is present, out of the CSCF units 220 of the IMS network 200 to which the HSS/HLR belongs. ! COPYRIGHT: (C)2016,JPO&INPIT |
