Connection set-up in a communication system
First Claim
1. A method of establishing a connection in a communication system, the connection involving a mobile station subscribing to a first mobile communications network and roaming in a second mobile communications network, the communication system comprising a first connection management entity provided in association with the first mobile communication network and a second connection management entity provided in association with the second mobile communication network, the method comprising:
- registering the roaming mobile station with the second mobile communications network;
registering the roaming mobile station with the second connection management entity;
in response to a request for a connection involving the roaming mobile station, routing signalling that associates with the request to one of the connection management entities;
setting up a communications link between the first and second mobile communications networks via a third communications network by means of the first and second connection management entities based on said signalling associated with the request; and
establishing the requested connection by means of the communications link, the first mobile communications network and the second mobile communications network.
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Accused Products
Abstract
The present invention relates to provision of connections in a communication system, and more particularly, to establishment of a connection involving a mobile station subscribing to a first mobile communications network and roaming in a second mobile communications network. The communication system comprises a first connection management entity provided in association with the first mobile communication network and a second connection management entity provided in association with the second mobile communication network. In the method the roaming mobile station is registered with the second mobile communications network and with the second connection management entity. In response to a request for a connection involving the roaming mobile station, signalling that associates with the request is routed to one of the connection management entities. A communications link is then set-up between the first and second mobile communications networks via a third communications network by means of the first and second connection management entities based on said signalling associated with the request. The requested connection is then established by means of the communications link and the first and second mobile communications networks.
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Citations
40 Claims
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1. A method of establishing a connection in a communication system, the connection involving a mobile station subscribing to a first mobile communications network and roaming in a second mobile communications network, the communication system comprising a first connection management entity provided in association with the first mobile communication network and a second connection management entity provided in association with the second mobile communication network, the method comprising:
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registering the roaming mobile station with the second mobile communications network;
registering the roaming mobile station with the second connection management entity;
in response to a request for a connection involving the roaming mobile station, routing signalling that associates with the request to one of the connection management entities;
setting up a communications link between the first and second mobile communications networks via a third communications network by means of the first and second connection management entities based on said signalling associated with the request; and
establishing the requested connection by means of the communications link, the first mobile communications network and the second mobile communications network. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. A communication system comprising:
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a first mobile communications network;
a second mobile communications network;
a third communications network;
a register for registering a roaming mobile station with the second mobile communications network, the registration enabling the roaming mobile station to communicate via the second mobile communications network;
a first connection management entity provided in association with the first mobile communication network and interfacing the third communications network;
a second connection management entity is provided in association with the second mobile communication network and interfacing the third communications network;
wherein the first and second connection management entities are arranged to provide a connection for a mobile station subscribing to the first mobile communications network and roaming in the second mobile communications network and registered with said register and also with said second connection management entity by setting up a communications link between the first and second mobile communications networks via the third communications network. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
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- 37. A mobile station subscribing to a first mobile communication network and enabled to roam in a second mobile communication network, comprising means for converting a destination party number into a number of a connection management entity provided in association with the second mobile communication network, said connection management entity interfacing a third communications network and arranged to provide a communications link between the first and second mobile communications networks via the third communications network such that the normal call routing between the first and second mobile communication networks is bypassed.
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40. A connection management entity for a mobile communications network, the connection management entity being arranged to register a mobile station roaming with the mobile communications network and to communicate with another connection management entity provided in association with a second mobile communication network via a third communications network, the connection management entity being arranged to provide a connection for the roaming mobile station by means of a communications link set-up between the first and second mobile communications networks via the third communications network.
Specification