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ETSI TS 101 530

M00000772

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ETSI TS 101 530 Digital cellular telecommunications system (Phase 2+); Location Services (LCS); Base Station System Application Part LCS Extension (BSSAP-LE) (3GPP TS 09.31 version 8.7.1 Release 1999)

standard by European Telecommunications Standards Institute, 05/01/2004

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The present document specifies procedures and information coding that are needed to define and support the BSSAPLCS Extension (BSSAP-LE). The BSSAP-LE message set is applicable to the following GSM interfaces defined in3GPP TS 03.71:
Lb interface (BSC-SMLC).
Ls interface (MSC-SMLC).
Lp interface (SMLC-SMLC).
The present document defines message formats and encoding for BSSAP-LE and the particular subsets of it that areapplicable to each of the above interfaces. The present document also defines the support for BSSAP-LE messagetransfer on each of these interfaces using CCITT and ANSI versions of SS7 MTP and SCCP. Additional requirementsfor the above interfaces that are applicable to BSSAP-LE are also defined -- e.g. usage of BSSAP (as defined in3GPP TS 04.08 and 08.08) on the Lb interface.