Canonical Atlas record

TS 22.173

IP Multimedia Core Network Subsystem (IMS) Multimedia Telephony Service and supplementary services; Stage 1

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Responsible WGS1

StatusUnder change control

Initial releaseRel-7

Selected releaseRel-12

Latest indexed version21.0.0

Series22

TypeTS

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.

Release ledger

Version · WI · CR evidence by release

1 common IMSno version indexed1 WI0 CRs

Rel-5no version indexed2 WI0 CRs

Rel-77.5.06 WI9 CRs · 7 approved

Rel-88.10.07 WI19 CRs · 19 approved

Rel-99.7.04 WI13 CRs · 13 approved

Rel-1010.7.03 WI12 CRs · 11 approved

Rel-1111.7.03 WI11 CRs · 8 approved

Rel-1212.9.05 WI12 CRs · 11 approved

Rel-1313.2.02 WI6 CRs · 3 approved

Rel-1414.3.01 WI18 CRs · 6 approved

Rel-1515.1.00 WI10 CRs · 2 approved

Rel-1616.3.01 WI19 CRs · 4 approved

Rel-1717.3.03 WI16 CRs · 6 approved

Rel-1818.0.10 WI0 CRs

Rel-1919.0.01 WI2 CRs

Rel-2020.1.01 WI6 CRs · 2 approved

Rel-2121.0.01 WI7 CRs · 1 approved

Rel-12 snapshot

Work affecting this release

12 indexed Change Requests · 5 connected Work Items.

Showing 12 CR records from the available cross-release sample. Browse release CR records (JSON) →

CR 0039 rev.2 — ECT Blind and OIP interaction

CR 0111 rev.1 — Correct the reference to pre-EVS releases

CR 0085 — ECT Blind clairification in MMTel 22.173

CR 0111 — Removing EVS service requirements from releases where it is not supported

CR 0101 — Support for network initiated USSD

CR 0086 rev.4 — Sequential Flexible Alerting

CR 0099 rev.1 — ME-generated supervisory tones for voice over IMS

CR 0090 rev.2 — Clarification of supplementary services suppression on callbacks

CR 0092 rev.1 — ECT - Assured Transfer description in MMTel

CR 0098 — Removal of CDIVN service

CR 0079 rev.3 — Blind Call Transfer in MMTel 22.173

CR 0040 rev.1 — ECT Blind and Incoming Communication Barring interaction clarification in MMTel 22.173.

Version history

Indexed versions

Showing 60 of 79 indexed versions.

21.0.0Rel-21SA#1132026-10-02

20.1.0Rel-20SA#1132026-10-02

20.0.0Rel-20SA#1092025-10-03

19.0.0Rel-19SA#1092025-10-03

18.0.1Rel-18SA#1032024-04-05

18.0.0Rel-18SA#1032024-04-05

17.3.0Rel-17SA#91-e2021-04-02

17.2.0Rel-17SA#90-e2020-12-17

17.1.0Rel-17SA#862019-12-20

17.0.0Rel-17SA#852019-09-27

16.3.0Rel-16SA#842019-06-14

16.2.0Rel-16SA#832019-03-29

16.1.0Rel-16SA#812018-09-21

16.0.0Rel-16SA#802018-06-23

15.1.0Rel-15SA#742016-12-16

14.3.0Rel-14SA#742016-12-16

15.0.0Rel-15SA#732016-09-30

14.2.0Rel-14SA#722016-06-24

14.1.0Rel-14SA#712016-03-18

13.2.0Rel-13SA#712016-03-18

12.9.0Rel-12SA#712016-03-18

11.7.0Rel-11SA#712016-03-18

10.7.0Rel-10SA#712016-03-18

13.1.0Rel-13SA#702015-12-17

14.0.0Rel-14SA#672015-03-21

13.0.0Rel-13SA#672015-03-21

12.8.0Rel-12SA#662014-12-19

12.7.0Rel-12SA#652014-09-26

12.6.0Rel-12SA#642014-07-02

9.7.0Rel-9SA#642014-06-27

8.10.0Rel-8SA#642014-06-27

11.6.0Rel-11SA#642014-06-27

10.6.0Rel-10SA#642014-06-27

12.5.0Rel-12SA#632014-03-17

12.4.0Rel-12SA#602013-06-28

11.5.0Rel-11SA#602013-06-28

12.3.0Rel-12SA#582012-12-18

12.2.0Rel-12SA#572012-09-19

12.1.0Rel-12SA#562012-06-29

10.5.0Rel-10SA#562012-06-29

8.9.0Rel-8SA#542011-12-24

9.6.0Rel-9SA#542011-12-21

12.0.0Rel-12SA#542011-12-21

11.4.0Rel-11SA#542011-12-21

10.4.0Rel-10SA#542011-12-21

11.3.0Rel-11SA#532011-10-03

11.2.0Rel-11SA#512011-04-03

10.3.0Rel-10SA#512011-04-03

11.1.0Rel-11SA#492010-10-01

11.0.0Rel-11SA#482010-06-18

9.5.0Rel-9SA#472010-03-31

10.2.0Rel-10SA#472010-03-31

9.4.0Rel-9SA#462009-12-19

8.8.0Rel-8SA#462009-12-19

10.1.0Rel-10SA#462009-12-19

9.3.0Rel-9SA#452009-10-01

10.0.0Rel-10SA#452009-10-01

9.2.0Rel-9SA#442009-06-10

8.7.0Rel-8SA#442009-06-10

9.1.0Rel-9SA#432009-03-24

Atlas classifications

Meaning and provenance

No Atlas classifications have been attached yet.

Work Items

Standards work connected to TS 22.173

IMS_Comm_Mtce7

SA1,SA2 part of Maintenance of TISPAN release 1 common IMS

1 common IMSofficial

IMS

Provisioning of IP-based multimedia services

Rel-5official

TLM5

Rel-5 Terminal interfaces

Rel-5official

MCIMSTR1-S1

SA1 aspects of MCIMSTR1

Rel-7official

MITE

Study on Multimedia Telephony Capabilities for IMS

Rel-7official

MMTEL

Deleted - duplicates UID7039 - IMS Multimedia Telephony Service

Rel-7official

MTSI

Stage 3 of MTSI

Rel-7official

MTSI-REQ

Stage 1 of MTSI

Rel-7official

TEI7

(Small) Technical Enhancements and Improvements for Rel-7

Rel-7parsed

CIMS_3GPP2

Stage 1 CIMS_3GPP2

Rel-8official

CIMS_3GPP2

3GPP2 Input to Common IMS

Rel-8official

Stage 1 FA

Rel-8official

IMS8

Deleted - IMS Enhancements Rel-8

Rel-8official

IMSTSS

IMS Multimedia Telephony and Supplementary Services

Rel-8parsed

TEI8

(Small) Technical Enhancements and Improvements for Rel-8

Rel-8parsed

TMMTEL

Merging TISPAN MMTel [requirements] for Common IMS

Rel-8official

CRS

Stage 1 for Customized Ringing Signal

Rel-9official

TEI9

(Small) Technical Enhancements and Improvements for Rel-9

Rel-9parsed

eMMTel

Stage 1 for eMMTel

Rel-9official

eMMTel

Multi-Media Telephony Service enhancements

Rel-9official

CCNL

Completion of Communications on Not Logged-in

Rel-10official

CCNL

Stage 1 for Completion of Communications on Not Logged-in

Rel-10official

TEI10

(Small) Technical Enhancements and Improvements for Rel-10

Rel-10parsed

OSCAR

Stage 1 for Optimized Service Charging and Allocation of Resources in IMS whilst Roaming

Rel-11official

TEI11

(Small) Technical Enhancements and Improvements for Rel-11

Rel-11parsed

USSI

Stage 1 for USSD simulation service in IMS

Rel-11official

ECTB

Explicit Communication Transfer Blind (ECT Blind) service interactions

Rel-12parsed

ECTB-SA1

Stage 1 for Explicit Communication Transfer Blind (ECT Blind) service interactions

Rel-12official

EVS_codec-SA1

Stage 1 for Codec for Enhanced Voice Services

Rel-12official

SEQ_FA

Stage 1 for Sequential Flexible Alerting

Rel-12official

TEI12

(Small) Technical Enhancements and Improvements for Rel-12

Rel-12parsed

DUMMY

Awaiting formal work item

Rel-13parsed

TEI13

(Small) Technical Enhancements and Improvements for Rel-13

Rel-13parsed

TEI14

(Small) Technical Enhancements and Improvements for Rel-14

Rel-14parsed

TEI16

(Small) Technical Enhancements and Improvements for Rel-16

Historical association · verification pending

Rel-16historical link

TEI17

(Small) Technical Enhancements and Improvements for Rel-17

Rel-17parsed

VMOD_DISPLAY

Verification-modified Calling Name Display

Rel-17parsed

eCNAM_An

Enhanced Calling Name Service Analytics Interworking

Rel-17parsed

TEI19

(Small) Technical Enhancements and Improvements for Rel-19

Rel-19parsed

TEI20

(Small) Technical Enhancements and Improvements for Rel-20

Rel-20parsed

6G-REQ

6G Service Requirements

Rel-21parsed

Knowledge graph

Related standards

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