Patent ID: 8359029

Claim:
A non-transitory computer readable storage medium of a first distributed management architecture (DMA) system, the non-transitory computer readable storage medium comprising: an authentication, authorization, and accounting (AAA) module that includes: a first home location register (HLR) that stores information associated with one or more mobile subscribers that are registered with the first DMA system; and a first community location register (CLR) storing information associated with a second HLR of a second DMA system, wherein the second HLR stores information associated with one or more mobile subscribers that are registered with the second DMA system, and wherein the second DMA system includes a second CLR; and instructions that, when executed by a processor, cause the processor to initiate connection of a call from a first mobile subscriber to a second mobile subscriber via the first DMA system and the second DMA system when the second mobile subscriber is registered with the second DMA system.