System and device for accessing of a mobile communication network
First Claim
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1. A system for transferring information between a mobile station and a mobile communication network, the system comprising:
- the mobile station;
the mobile communication network;
a communication network for interfacing the mobile station and the mobile communication network;
wherein the communication network is arranged to comprise a mobile station emulator when the mobile station is coupled to the communication network; and
the mobile station emulator comprising;
means for receiving call transfer information from the mobile station and for forwarding the call transfer information over a communication network to the mobile communication network, upon coupling of the mobile station to the communication network; and
means for maintaining the call transfer information to be used by the mobile station emulator in a call transfer process while the mobile station remains coupled to the communication network and while the mobile station switches to an access protocol of the communication network, the access protocol of the communication network being different from an access protocol of the mobile communication network.
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Abstract
A system, wherein a mobile station can switch to an IP access protocol, whereupon data transmitted between the mobile station and a mobile services switching centre change over from a base station system, reached using radio communication, to being transmitted through an interworking unit (40) coupled in connection with an IP connection and the mobile services switching centre. When the mobile station switches to the access network, it transfers the dynamic data relating to the mobile station'"'"'s state and the calls in progress (state machine) to the interworking unit.
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Citations
11 Claims
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1. A system for transferring information between a mobile station and a mobile communication network, the system comprising:
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the mobile station; the mobile communication network; a communication network for interfacing the mobile station and the mobile communication network; wherein the communication network is arranged to comprise a mobile station emulator when the mobile station is coupled to the communication network; and the mobile station emulator comprising; means for receiving call transfer information from the mobile station and for forwarding the call transfer information over a communication network to the mobile communication network, upon coupling of the mobile station to the communication network; and means for maintaining the call transfer information to be used by the mobile station emulator in a call transfer process while the mobile station remains coupled to the communication network and while the mobile station switches to an access protocol of the communication network, the access protocol of the communication network being different from an access protocol of the mobile communication network. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A mobile station emulator for interfacing a mobile station and a mobile communication network, the mobile station emulator comprising:
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means for receiving call transfer information from the mobile station and for forwarding the call transfer information over a communication network to the mobile communication network, upon coupling of the mobile station to the communication network; and means for maintaining the call transfer information to be used by the mobile station emulator in a call transfer process while the mobile station remains coupled to the communication network and while the mobile station switches to an access protocol of the communication network, the access protocol of the communication network being different from an access protocol of the mobile communication network.
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8. A mobile station emulator for a system for transferring information between a mobile station and a mobile communication network, the system comprising:
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the mobile station; the mobile communication network; a communication network for interfacing the mobile station and the mobile communication network; wherein the communication network is arranged to comprise the mobile station emulator when the mobile station is coupled to the communication network, the mobile station emulator comprising; means for receiving call transfer information from the mobile station and for forwarding the call transfer information over a communication network to the mobile communication network, upon coupling of the mobile station to the communication network; means for maintaining the call transfer information to be used by the mobile station emulator while the mobile station remains coupled to the communication network, wherein the mobile station emulator switches to an access protocol of the communication network, the access protocol of the communication network being different from an access protocol of the mobile communication network; means for receiving call status data from the mobile station upon coupling of the mobile station to the communication network; and means for maintaining the call status data while the mobile station remains coupled to the communication network.
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9. A method for transferring information between a mobile station and a mobile communication network, wherein a communication network is interfaced between the mobile station and the mobile communication network, the method comprising:
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establishing a connection from the mobile station to a mobile station emulator comprising the communication network; transferring call transfer information to the mobile station emulator from the mobile station and forwarding the call transfer information over the communication network to the mobile communication network, upon coupling of the mobile station to the communication network; and maintaining the call transfer information in the mobile station emulator to be used by the mobile station emulator in a call transfer process while the mobile station remains coupled to the communication network and while the mobile station switches to an access protocol of the communication network, the access protocol of the communication network being different from an access protocol of the mobile communication network.
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10. A method for transferring information between a mobile station and a mobile communication network, wherein a communication network is interfaced between the mobile station and the mobile communication network, the method comprising:
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establishing a connection from the mobile station to a mobile station emulator comprising the communication network; transferring call transfer information to the mobile station emulator from the mobile station and forwarding the call transfer information over the communication network to the mobile communication network, upon coupling of the mobile station to the communication network; maintaining the call transfer information in the mobile station emulator to be used by the mobile station emulator while the mobile station remains coupled to the communication network, wherein the mobile station emulator switches to an access protocol of the communication network, the access protocol of the communication network being different from an access protocol of the mobile communication network; and transmitting call status data from the mobile station to the mobile station emulator when the communication connection changes from between the mobile station and the mobile communication network to between the mobile station and the communication network.
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11. A method for transferring information between a mobile station and a mobile communication network, wherein a communication network is interfaced between the mobile station and the mobile communication network, the method comprising:
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establishing a connection from the mobile station to a mobile station emulator comprising the communication network; transferring call transfer information to the mobile station emulator from the mobile station and forwarding the call transfer information over the communication network to the mobile communication network, upon coupling of the mobile station to the communication network; maintaining the call transfer information in the mobile station emulator to be used by the mobile station emulator while the mobile station remains coupled to the communication network, wherein the mobile station emulator switches to an access protocol of the communication network, the access protocol of the communication network being different from an access protocol of the mobile communication network; and transmitting call status data from the mobile station emulator to the mobile station when the communication connection changes from between the mobile station and the communication network to between the mobile station and the mobile communication network.
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Specification