MGCP Commands This node allows to configure global MGCP settings. These include the various port numbers. NAT Commands This node allows to configure the global NAT settings. These include the destination address of the MSC, the filter and rewriting rules to use. BSC Commands This node allows to configure a BSC. A BSC has a list of LACs, an access token associated to it. Paging Group Commands This node allows to configure a Paging Group. A Paging Group holds the LACs of several destinations and a BSC can refer to a Paging Group. This way several BSCs can receive the paging for a shared LAC.