Patent ID: 6480715
Filing Date: 2002-11-12
Classification: H04W

Abstract:
A method for recovering group data (GD) between mobile systems (S1, S2, S3), which incorporate at least one first mobile system (S1), which comprises a first database (DB1), at least one second mobile system (S2), which comprises a second database (DB2), and which mobile systems incorporate mobile stations (MS1, MS2), the method comprising the steps ofmaintaining (302) group data (GD) in said first database (DB1) of said first mobile system (S1), maintaining (303) said group data (GD) in said second database (DB2) of said second mobile system (S2), a recovery request is made (304) for recovering group data (GD), characterized in that the method further comprises the following steps: the second mobile system (S2) generates (306) one or more first virtual attachment requests for the first database of the first mobile system (S1), the second mobile system (S2) sends (307) the first virtual attachment request to the first database (DB1) of the first mobile system (S1), in response to the first virtual attachment request the group data (GD) are updated (308) in the first database (DB1) and wherein from the second mobile system at least one virtual attachment request is sent per every group of the first mobile system found in the second database of the second mobile system.