2 A-Interface specification objectives

08.013GPPGeneral Aspects on the BSS-MSC InterfaceRelease 1999TS

The MSC to BSS interface specifications shall allow the following:

i) Connection of various manufacturers BSSs to the same MSC;

ii) The use of several manufacturers MSCs to the same type of BSS;

iii) The use of the same BSS in any PLMN;

iv) The use of the same MSC in any PLMN;

v) The separate evolution of MSC and BSS technology, and;

vi) The separate evolution of O&M facilities;

vii) Evolution towards lower speech coding rates;

viii) Support of all services defined in the 3GPP TS 02 series of Technical Specifications.