Published
The present document specifies procedures and information coding that are needed to define and support the BSSAP
LCS Extension (BSSAP-LE). The BSSAP-LE message set is applicable to the following GSM interfaces defined in
3GPP TS 43.059:
- Lb interface (BSC-SMLC).
- Lp interface (SMLC-SMLC).
The present document defines message formats and encoding for BSSAP-LE and the particular subsets of it that are
applicable to each of the above interfaces. The present document also defines the support for BSSAP-LE message
transfer on each of these interfaces using either ITU-T and ANSI versions of SS7 MTP or IETF M3UA/SCTP and
SCCP. Additional requirements for the above interfaces that are applicable to BSSAP-LE are also defined – e.g. usage
of BSSAP (as defined in 3GPP TS 24.008 and 48.008) on the Lb interface.
PUBLISHED
DS TS 149 031 V14.3.0:2018
60.60
Standard published
Aug 14, 2018
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