Patent ID: 7856233

Claim:
A method, comprising: receiving, at a first distributed management architecture (DMA) system of a DMA network, a call from a first mobile subscriber to a second mobile subscriber, wherein the DMA network includes at least the first DMA system and a second DMA system; determining whether the second mobile subscriber is registered with the first DMA system based on information stored at a first home location register (HLR) of the first DMA system, wherein the first HLR includes information associated with one or more mobile subscribers that are registered with the first DMA system; when the second mobile subscriber is not registered with the first DMA system, determining whether the second mobile subscriber is registered with the second DMA system based on information stored at a second community location register (CLR) associated with the second DMA system, wherein the second CLR associated with the second DMA system is stored at the first DMA system, and wherein the second CLR associated with the second DMA system includes information associated with a second HLR of the second DMA system, wherein the second HLR includes information associated with one or more mobile subscribers that are registered with the second DMA system; and connecting the call via the first DMA system and the second DMA system when the second mobile subscriber is registered with the second DMA system.