Patent ID: 7646753
Filing Date: 2010-01-12
Classification: H04W

Abstract:
1. A method in a mobile wireless device comprising: a) initialising for MIP (Mobile Internet Protocol) registration; b) sending a MIP registration request; upon failure to establish a MIP session, categorizing the failure under an error category of a plurality of error categories, the plurality of error categories comprising: no response received and at least one of out-of-sync errors, provisioning errors, and temporary network errors; and for each error category of the 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).