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TS 22.173SA1
MTSI — Multimedia Telephony Service for IMS –
Stage 1

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V17.1.0 (Wzip)  2019/12  77 p.
V16.3.0 (Wzip)  2019/06  75 p.
V15.1.0 (PDF)  2016/12  75 p.
V14.3.0  2016/12  75 p.
V13.2.0  2016/03  73 p.
V12.9.0  2016/03  73 p.
V11.7.0  2016/03  72 p.
V10.7.0  2016/03  67 p.
V9.7.0  2014/06  59 p.
V8.10.0  2014/06  55 p.
V7.5.0  2008/06  12 p.

WI Acronym:  MTSI-REQ
Rapporteur:  Dr. Swetina, Joerg

The IMS Multimedia Telephony Service should allow multimedia conversational communications between two or more users. It provides real time bidirectional conversational transfer of speech, video or optionally other types of data.
The IMS Multimedia Telephony communication is point to point between terminals communicating, or a terminal and a network entity. This communication is usually symmetrical, but in special cases the media components present in each direction may be different, or they may be the same but with different bit rates and Quality of Service.
An IMS Multimedia Telephony communication can start with only one type of media and additional types of media may or may not be added by the users as the communication progress. Therefore a particular IMS Multimedia Telephony communication may consist of only one type of media, e.g. speech.
This TS defines the IMS Multimedia Telephony service and the minimum set of capabilities required to secure multi-vendor and multi-operator inter-operability for Multimedia Telephony and related Supplementary Services.

full Table of Contents for  TS 22.173  Word version:   17.1.0

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1  ScopeWord-p. 10
2  References
3  Definitions, symbols and abbreviationsWord-p. 11
4  Service descriptionWord-p. 12
5  Service Requirements
6  Quality of Service
7  Interworking requirements
8  Supplementary Services
8.1  General
8.2  Supplementary Services applicable to IMS Multimedia Telephony
8.2.1  Originating Identification Presentation (OIP)
8.2.2  Originating Identification Restriction (OIR)
8.2.3  Terminating Identification Presentation (TIP)
8.2.4  Terminating Identification Restriction (TIR)
8.2.5  Malicious Communication IDentification (MCID)Up
8.2.6  Anonymous Communication Rejection (ACR)
8.2.7  Communication DIVersion (CDIV)
8.2.8  Communication Waiting (CW)
8.2.9  Communication HOLD (HOLD)
8.2.10  Communication Barring (CB)Word-p. 31
8.2.11  Completion of Communications to Busy Subscriber (CCBS)
8.2.12  Message Waiting Indication (MWI) [R8]Up
8.2.13  CONFerence (CONF) [R8]
8.2.14  Advice Of Charge (AOC) [R8]
8.2.15  Explicit Communication Transfer (ECT) [R8]
8.2.16  Reverse charging [R8]
8.2.17  Closed User Group (CUG) [R8]
8.2.18  Three-Party (3PTY) [R8]Up
8.2.19  Flexible Alerting (FA) [R8]
8.2.20  Personal Network Management (PNM) [R8]
8.2.21  Customized Alerting Tone (CAT) [R8]
8.2.22  Customized Ringing Signal (CRS) [R8]
8.2.23  Completion of Communications on No Reply (CCNR) [R9]Up  Definition  Service interactions with other IMS supplementary services  Interoperability with PSTN/ISDN
8.2.24  Enhanced Calling Name (eCNAM) [R15]Up
8.2A  Supplementary Services applicable to IMS Multimedia Telephony without equivalent in non-IMS networks [R10]Up
8.3  Concepts associated with IMS supplementary services [R8]Word-p. 57
8.4  Use of authorization option in relation to IMS supplementary services [R8]
9  IMS Multimedia Telephony with Enhanced Voice [R12]Word-p. 59
A  General terminal guidelines [R8]Word-p. 60
B  Service interactions table [R8]Word-p. 61
C (Normative)  IMS Multimedia Telephony supplementary services applicable to the fixed access [R8]Word-p. 64
D (Normative)  IMS Multimedia Telephony supplementary services applicable to the mobile 3GPP access [R8]Word-p. 66
Da (Normative)  Network determined user busy. [R8]Word-p. 67
Db  services classification applicable to Inter IMS Network-to-Network Interface (II-NNI). [R10]Word-p. 68
Dc (Normative)  Enterprise IP-PBX Supplementary Services to support 3GPP Voice Interworking [R11]Word-p. 70
E  Bibliography references [R8]
F  Change historyWord-p. 75

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