Canonical Atlas record
Base Station Controler - Base Transceiver Station (BCS-BTS) Interface Layer 3 Specification
Release evolution
Use indexed version, Work Item and Change Request evidence to see what changed around this specification. This is an evidence trail, not a clause-by-clause normative diff.
Release ledger
Rel-99 snapshot
0 indexed Change Requests · 11 connected Work Items.
Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR A055 — Correction 2G-3G Handover
CR A054 — Correction to Channel Mode IE
CR A052 rev.1 — New System Information message
CR A051 — Access delay info element clarification for GSM400
CR A056 — New system information messages
CR A043 — L3 Info IE length in SACCH INFO MODIFY and FILLING
CR A050 rev.3 — Addition of LCS message
CR A049 — TFO AMR
CR A046 rev.2 — Support of extended timing advance information element in 08.58
CR A045 — Introduction of the AMR SMG2 TRAU/SMG11 TFO
CR A037 rev.1 — Modification due to Fast Power Control for ECSD
CR A036 rev.1 — ECSD Asymmetry
Version history
Showing 36 of 36 indexed versions.
Atlas classifications
No Atlas classifications have been attached yet.
Work Items
Advanced Speech Call Items enhancements_Rel-4
Historical association · verification pendingWideband Telephony Service - AMR
Rel-5 Terminal interfaces
Historical association · verification pendingFlexible Alerting
Historical association · verification pendingGSM/UMTS interworking
Advanced Speech Call Items enhancements
Enhanced Circuit Switched Data - Phase 1
Enhanced Data rates for GSM Evolution
GSM_400
Harmonized Standard
Historical association · verification pendingHigh Speed Circuit Switched Data
Handover
Location Services
Support of Localised Service Area
(Small) Technical Enhancements and Improvements for R99
Knowledge graph
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