Patent ID: 6097963
Filing Date: 2000-08-01
Classification: H04M,H04W

Abstract:
A home location register (HLR) in a radio telecommunications network comprising:a connection to a Gateway Mobile Switching Center (G-MSC) for receiving a request for routing information from the G-MSC and for returning a routing number to the G-MSC, said request for routing information including a group identification number for a Multiple Mobile Subscriber Access Group (MSAG) which includes a plurality of mobile subscribers;a first data structure comprising:a group data record associated with the group identification number for the MMSAG, said group data record including:a list of individual subscriber identification numbers allocated to the plurality of mobile subscribers assigned to the MMSAG; andservice logic for selecting one of the individual subscriber identification numbers to receive an incoming call to the group identification number, said service logic recording the last individual mobile subscriber number to receive an incoming call and selecting the next sequential individual mobile subscriber number following the recorded last number to receive an incoming call; anda second data structure linked to the first data structure comprising:a plurality of individual mobile subscriber records, each of which is identified by one of the individual subscriber identification numbers in the group data record list and each of which is associated with a mobile subscriber, and each individual mobile subscriber record including:mobile subscriber data for the associated mobile subscriber; andan identification of a serving Mobile Switching Center (MSC) currently serving the associated mobile subscriber; anda connection to the serving MSC for sending a request for a routing number to the serving MSC, for receiving a routing number from the serving MSC if the selected subscriber is available, and for receiving an indication that the selected subscriber is not available if the selected subscriber is not available.