| 摘要 |
PROBLEM TO BE SOLVED: To enable one set of nobile terminal equipment to receive services of plural communication enterprisers. SOLUTION: Terminal equipment 11, 12 subscribe to networks A, B respectively. The terminal equipment 11 is positioned within areas of the networks A, B. The terminal equipment 12 is positioned at the outside of the area of the network A and within the area of the network B. The terminal equipment 11 transmits a connection request to the terminal equipment 12 for the network A. An exchange (A) 13 of the network A informs to the terminal equipment 11 of the fact that the exchange recognizes that the terminal equipment 12 is not positioned in the area of the network A. When the terminal equipment 11 recognizes that the terminal equipment can not be connected to the terminal equipment 12 via the network A, the terminal equipment 11 transmits a connection request to the terminal equipment 12 for the network B. An exchange (B) 14 of the network B connects the terminal equipment 11 with the terminal equipment. |
