7 Interface structures

08.023GPPBase Station System - Mobile Services Switching Centre (BSS-MSC) Interface - Interface PrinciplesRelease 1999TS

The definition of the MSC to BSS interface follows a layered approach. This is shown in figure 1.

In the case of a digital link being used between the BSS and MSC, the signalling will be carried in one of the 64 kbits/s timeslots.