Release ledger
Canonical Atlas record
TS 26.102
Mandatory speech codec; Adaptive Multi-Rate (AMR) speech codec; Interface to Iu, Uu and Nb
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-8 snapshot
Work affecting this release
16 indexed Change Requests · 3 connected Work Items.
Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0023 — Clarification of RAB sub-flow numbering for AMR
CR 0019 — Addition of CS over IP User Plane
CR 0019 rev.1 — Addition of CS over IP User Plane
CR 0019 rev.2 — Addition of CS over IP User Plane
CR 0020 — Nb-framing for GSM_FR and GSM_HR
CR 0020 rev.1 — Nb-framing for GSM_FR and GSM_HR
CR 0021 — Corrections to CS over IP User Plane
CR 0021 rev.1 — Corrections to CS over IP User Plane
CR 0021 rev.2 — Corrections to CS over IP User Plane
CR 0021 rev.3 — Corrections to CS over IP User Plane
CR 0022 — Nb-framing for GSM_FR and GSM_HR for CS over IP User Plane
CR 0023 rev.1 — Clarification of RAB sub-flow numbering for AMR
Version history
Indexed versions
Showing 33 of 33 indexed versions.
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 26.102
Tandem Free aspects for 3G and between 2G and 3G systems
Transcoder-Free Operation
Rel-6 Charging Management
Historical association · verification pending(Small) Technical Enhancements and Improvements for Rel-7
AoIP (A-interface over IP)
Historical association · verification pendingMedia Requirements for CS over IP based User Plane
(Small) Technical Enhancements and Improvements for Rel-8
(Small) Technical Enhancements and Improvements for Rel-11
(Small) Technical Enhancements and Improvements for Rel-12
(Small) Technical Enhancements and Improvements for Rel-13
(Small) Technical Enhancements and Improvements for Rel-14
Mandatory speech codec for narrowband telephony service
Historical association · verification pendingEnd-to-end UMTS Quality of Service management
Historical association · verification pendingQoS for Speech and Multimedia Codec
Historical association · verification pending(Small) Technical Enhancements and Improvements for R99
Knowledge graph
Related standards
No graph edges indexed yet. The graph API is available at this JSON endpoint.