| 摘要 |
PCT No. PCT/JP95/02760 Sec. 371 Date Sep. 4, 1996 Sec. 102(e) Date Sep. 4, 1996 PCT Filed Dec. 28, 1995 PCT Pub. No. WO96/21326 PCT Pub. Date Jul. 11, 1996A scheme for enabling a roaming call termination connection for a mobile subscriber between mobile communication networks adopting different roaming number allocation schemes is disclosed. A first mobile communication network in which a visited location register of a visited network temporarily allocates a roaming number at a time of call termination connection and a second mobile communication network in which a gateway location register of a visited network allocates a roaming number at a time of position registration are connected through an interworking location register, which functions as a visited location register from a viewpoint of the first mobile communication network and as a home location register from a viewpoint of the second mobile communication network when a mobile subscriber of the first mobile communication network roams to the second mobile communication network, and functions as a home location register from a viewpoint of the first mobile communication network and as a gateway location register from a viewpoint of the second mobile communication network when a mobile subscriber of the second mobile communication network roams to the first mobile communication network, in a position registration and call termination connection control operation at a time of roaming of a mobile subscriber.
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