System and method for handling simple IP to mobile IP transition
First Claim
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1. A method for transitioning between a first wireless protocol having geographically dependent addressing and a second wireless protocol having non-geographically dependent addressing, the method comprising:
- a wireless device detecting a new system requiring reconnect of a packet data service while in a state during which link layer connectivity for a packet data service is maintained ; and
at least a first time the wireless device detects the new system, the wireless device attempting to establish a session using the second wireless protocol with the new system;
wherein the first wireless protocol comprises SIP (simple IP) and the second wireless protocol comprises MIP (mobile IP).
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Abstract
Methods are provided for transitioning between SIP and MIP. Mobile devices, upon detecting a new system, automatically attempt a MIP session to avoid the default position of SIP. A history is maintained of systems visited, and for systems that did not support MIP in the past, a MIP session is not attempted, but rather SIP is initiated from the start.
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Citations
22 Claims
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1. A method for transitioning between a first wireless protocol having geographically dependent addressing and a second wireless protocol having non-geographically dependent addressing, the method comprising:
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a wireless device detecting a new system requiring reconnect of a packet data service while in a state during which link layer connectivity for a packet data service is maintained ; and
at least a first time the wireless device detects the new system, the wireless device attempting to establish a session using the second wireless protocol with the new system;
wherein the first wireless protocol comprises SIP (simple IP) and the second wireless protocol comprises MIP (mobile IP). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A wireless device adapted to communicate with access networks using a first wireless protocol having geographically dependent addressing and a second wireless protocol having non-geographically dependent addressing, the wireless device being adapted to detect a new system requiring reconnect of a packet data service while in a state during which link layer connectivity for a packet data service is maintained, and at least a first time the wireless device detects the new system, to attempt to establish a session using the second wireless protocol with the new system;
wherein the first wireless protocol comprises SIP (simple IP) and the second wireless protocol comprises MIP (mobile IP). - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. A computer readable medium having computer executable instructions stored thereon for execution on a wireless device so as to implement a method of transitioning between a first wireless protocol having geographically dependent addressing and a second wireless protocol having non-geographically dependent addressing, the method comprising:
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a wireless device detecting a new system requiring reconnect of a packet data service while in a state during which link layer connectivity for a packet data service is maintained; and
at least a first time the wireless device detects the new system, the wireless device attempting to establish a session using the second wireless protocol with the new system;
wherein the first wireless protocol comprises SIP (simple IP) and the second wireless protocol comprises MIP (mobile IP). - View Dependent Claims (19, 20, 21, 22)
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Specification