SSH ETS 300 590:1996 ed.5

Digital cellular telecommunications system (Phase 2) (GSM); Mobile-services Switching Centre - Base Station System (MSC - BSS) interface; Layer 3 specification (GSM 08.08)

Scope

This European Telecommunication Standard (ETS) specifies the layer 3 procedures used on the BSS to MSC interface for control of GSM services. For the purposes of call control and mobility management, messages are not interpreted at the Base Station System (BSS) which acts as a relay function. These messages and procedures are documented in Technical Specification GSM 04.08, the only relevant issues covering these messages in this Technical Specification are those concerned with error conditions at the interface, and the headers that are required for the correct addressing of the messages. This is specified in more detail in Technical Specification GSM 08.06. The functional split between MSC and BSS is defined in Technical Specification GSM 08.02 and states that the BSS is responsible for local radio resource allocation and in order to support this the required procedures between BSS and MSC are defined in detail in this Technical Specification.