3 Definitions and abbreviations

29.2043GPPArchitecture, functional description and protocol detailsRelease 17Signalling System No. 7 (SS7) security gatewayTS

3.1 Definitions

For the purposes of the present document, the terms and definitions given in TR 21.905 [10] and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905 [10].

TCAP user: Application Part identified by one of the following SCCP Subsystem Numbers:
0000 0110 HLR (MAP)
0000 0111 VLR (MAP)
0000 1000 MSC (MAP)
0000 1001 EIR (MAP)
0000 1010 is allocated for evolution (possible Authentication Centre)
1001 0001 GMLC (MAP)
1001 0010 CAP
1001 0011 gsmSCF (MAP) or IM-SSF (MAP) or Presence Network Agent
1001 0101 SGSN (MAP)
1001 0110 GGSN (MAP)
0000 1011 SSAP

3.2 Abbreviations

For the purposes of the present document, the following abbreviations apply:

CC Country Code

GSMA Global System for Mobile communications Association

IV Initialisation Vector

MAC Message Authentication Code

MNP Mobile Number Portability

MSISDN Mobile Station International ISDN Number

NDC National Destination Code

NE Network Entit

PLMN Public Land Mobile Network y

RN Routeing Number

SAD Security Association Database

SEG Security Gateway

SPD Security Policy Database

SPI Security Parameter Index

SRF Signalling Relay Functio

TCAP Transcaction Capabilities Application Part

UDT SCCP Unitdata message

XUDT SCCP Extended Unitdata message n