Method for delivering a call to a dual-mode mobile unit using a single number
First Claim
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1. A method for delivering a call request to a mobile unit, the method comprising:
- receiving a call request for a mobile unit, the mobile unit being able to access a plurality of communication networks utilizing a plurality of communication protocols;
routing the call request to a call delivery application server;
determining at the call delivery application server which of the plurality of communication networks to deliver the call request; and
sending the call request to the determined communication network.
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Abstract
The present invention provides a method for delivering a call request to a mobile unit. A call request is received for a dual mode mobile unit that is able to access a plurality of communication networks utilizing a plurality of communication protocols. The call request is routed to a call delivery application server, which determines which of the communication networks to deliver the call request. The call request is sent to the determined communication network.
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20 Claims
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1. A method for delivering a call request to a mobile unit, the method comprising:
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receiving a call request for a mobile unit, the mobile unit being able to access a plurality of communication networks utilizing a plurality of communication protocols;
routing the call request to a call delivery application server;
determining at the call delivery application server which of the plurality of communication networks to deliver the call request; and
sending the call request to the determined communication network. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method for improving call setup time, the method comprising:
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receiving a call request for a mobile unit, the mobile unit being able to access a plurality of communication networks utilizing a plurality of communication protocols; and
initiating in parallel call delivery to each of the plurality of communication networks. - View Dependent Claims (18, 19, 20)
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Specification