Patent ID: 6026298
Filing Date: 2000-02-15
Classification: H04W

Abstract:
A method of providing switch capability mediation, in a home location register (HLR), between two mobile switching centers (MSCs), wherein a first MSC is an originating MSC which receives a call origination request for reaching a subscriber and a second MSC is a serving MSC which serves the subscriber, the method comprising the steps of:determining whether the two MSCs implement different capabilities, the determining step including the step of reading a SUBS file storing a profile record of the subscriber to retrieve an MSC identification (MSCID) of the serving MSC for accessing an MSCID point code map (MPCM) file record associated with the serving MSC; andif the two MSCs implement different capabilities, providing capability mediation between the two MSCs comprising the steps of:determining, for each different capability involved, which one of the following three situations is present:(i) the originating MSC has this capability, but the serving MSC does not;(ii) the originating MSC does not have this capability, but the serving MSC does; and(iii) both the originating and serving MSCs have this capability but implement it in different ways; andproviding appropriate mediation in accordance with the determined one of the three situations.