Release ledger
Canonical Atlas record
TR 22.988
Study on alternatives to E.164 for Machine-Type Communications (MTC)
Responsible WGS1
StatusUnder change control
Initial releaseRel-11
Selected releaseRel-12
Latest indexed version19.0.0
Series22
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-12 snapshot
Work affecting this release
5 indexed Change Requests · 1 connected Work Item.
Showing 5 CR records from the available cross-release sample. Browse release CR records (JSON) →
CR 0001 rev.2 — Additions to MSISDN and IMSI sections
CR 0002 — Update of requirement section
CR 0003 rev.1 — Add NAI analysis
CR 0004 rev.1 — Correct and add additional analysis on tel URI
CR 0005 — Correct error in SIP URI example
Version history
Indexed versions
Showing 13 of 13 indexed versions.
19.0.0Rel-19SA#1092025-10-15
18.0.1Rel-18SA#1032024-04-05
18.0.0Rel-18SA#1032024-04-05
17.0.0Rel-17SA#95-e2022-04-01
16.0.0Rel-16SA#88-e2020-07-16
15.0.0Rel-15SA#812019-07-04
14.0.0Rel-14SA#752017-04-05
13.0.0Rel-13SA#702016-01-05
12.2.0Rel-12SA#572012-09-19
12.1.0Rel-12SA#562012-06-29
12.0.0Rel-12SA#552012-03-15
2.0.0Rel-12 · pre-approvalSA#552012-03-08
1.0.0Rel-11 · pre-approvalSA#532011-09-26
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TR 22.988
FS_AMTC
Rel-12officialStudy on Alternatives to E.164 for Machine-Type Communications
Knowledge graph
Related standards
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