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US 2006/0153063 A1Published application
Mobile IP registration process for always-on device
AssigneeResearch In Motion Limited
InventorsM. Islam, Jin Kim, Shahid Chaudry
Life of this patent
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Abstract
A system and method for an automatic retry method during initial registration and re-registration of a mobile device on a mobile Internet Protocol (MIP) network is provided. The mobile device is adapted to categorise a registration response (RRP) code and accordingly determine a course of action. By reacting intelligently to the RRP code category, the mobile device is able to maintain a point to point protocol (PPP) connectivity and achieve “always-on” status.
Claims25
A method in a wireless device comprising:
- a) initialising for MIP (Mobile Internet Protocol) registration;
- b) sending a MIP registration request;
- for each error category of a plurality of error categories, upon failure to establish a MIP session due to an error in that error category, executing automatically at least one respective error category specific step;
- wherein for at least one of the error categories, the at least one respective error category specific step comprises returning automatically to step a);
- and
- wherein for at least one of the error categories, the at least one respective error category specific step comprises returning automatically to step b).
3 more elements
A method in a wireless device comprising:
- attempting to register with a MIP network;
- executing at least one error category specific step if no response to the registration attempt is received;
- executing at least one error category specific step for at least one category of error codes selected from a group consisting of out-of-sync error codes, provisioning error codes, temporary network error codes upon receipt of an error code belonging to one of the at least one category.
Dependencies are inferred from the claim text.