Release ledger
Version · WI · CR evidence by release
Phase 24.2.00 WI0 CRs
Phase 2+5.1.10 WI0 CRs
Ph2no version indexed0 WI2 CRs · 2 approved
Release 19976.1.00 WI0 CRs
Release 19987.4.00 WI0 CRs
Release 19998.2.00 WI0 CRs
Canonical Atlas record
TR 05.50
Background for RF Requirements
Responsible WGR6
StatusUnder change control
Initial releasePhase 2
Selected releaseRel-99
Latest indexed version8.2.0
Series5
TypeTR
Release evolution
Compare evidence between releases
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.
Rel-99 snapshot
Work affecting this release
0 indexed Change Requests · 9 connected Work Items.
Showing 8 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR A020 — BTS Synchronisation, Location Accuracy and LMU update rates
CR A018 — Update of GPRS background information
CR A009 — Addition of GSM 400 system scenarios into GSM 05.50
CR A011 rev.1 — 8-PSK scenarios in GSM 05.50
CR A023 — Align the Mixed-Mode IMD Test Bandwidth (annex U.2.3) with GSM 05.05 and GSM 11.21
CR A013 rev.1 — Background information for equirements for TOA LMU
CR A008 — EDGE 850 MHz and 1900 MHz mixed mode scenarios
CR A022 — BTS Synchronisation, Location Accuracy and LMU update rates
Version history
Indexed versions
Showing 16 of 16 indexed versions.
8.2.0Release 1999-2000-04-17
7.4.0Release 1998-2000-04-17
8.1.0Release 1999-2000-02-16
7.3.0Release 1998-2000-02-16
6.1.0Release 1997-2000-02-16
8.0.0Release 1999-1999-11-11
7.2.0Release 1998-1999-11-11
7.1.0Release 1998-1999-06-25
7.0.0Release 1998-1998-06-26
6.0.0Release 1997-1997-12-19
5.1.1Phase 2+-1997-10-17
5.1.0Phase 2+-1997-02-14
5.0.0Phase 2+-1996-10-11
4.2.0Phase 2-1996-02-02
4.1.0Phase 2-1995-01-27
4.0.0Phase 2-1993-10-01
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TR 05.50
ASCI4
Rel-4historical linkAdvanced Speech Call Items enhancements_Rel-4
Historical association · verification pendingEDGE
R99officialEnhanced Data rates for GSM Evolution
EDGE-Layer1
R99officialEDGE-Layer1
EDGE-Phase1
R99historical linkEnhanced Data rates for GSM Evolution - Phase 1
Historical association · verification pendingGPRS
R99officialGeneral Packet Radio Service
GPRSenhancements
R99historical linkGeneral Packet Radio Service enahancements
Historical association · verification pendingGSM_400
R99officialGSM_400
LCS
R99officialLocation Services
Mandatory_Speech_Codec,AMR-NB,AMR
R99historical linkMandatory speech codec for narrowband telephony service
Historical association · verification pendingPR,Princs_&_Reqs_(PR)
R99historical linkOAM Principles and High-level Requirements
Historical association · verification pendingKnowledge graph
Related standards
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