Patent ID: 7840230

Claim:
A method, comprising: receiving, at a communication apparatus, a request to establish a group call between four or more mobile communication devices, wherein the communication apparatus comprises: a wireless transceiver; a computer readable storage medium; a home location register (HLR) module embedded in the computer readable storage medium; a visitor location register (VLR) module embedded in the computer readable storage medium; a mobile switching center (MSC) module embedded in the computer readable storage medium, wherein the MSC module includes an authentication, authorization, and accounting (AAA) module, the AAA module configured to support generation of a first set of call detail records at the communication apparatus; a base station controller (BSC) module embedded in the computer readable storage medium; and a group call program embedded in the computer readable storage medium; and providing, via the group call program embedded in the computer readable storage medium of the communication apparatus, the group call between the four or more mobile communication devices, wherein the communication apparatus communicates telephony data associated with the group call to at least one mobile communication device of the four or more mobile communication devices via a second communication apparatus, wherein the second communication apparatus comprises: a second wireless transceiver; a second computer readable storage medium; a second HLR module embedded in the second computer readable storage medium; a second VLR module embedded in the second computer readable storage medium; a second MSC module embedded in the second computer readable storage medium, wherein the second MSC module includes a second AAA module, the second AAA module configured to support generation of a second set of call detail records at the second communication apparatus; and a second BSC module embedded in the second computer readable storage medium.