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TECHNICAL SPECIFICATION
Universal Mobile Telecommunications System (UMTS);
LTE;
Support of Short Message Service (SMS)
over generic 3GPP Internet Protocol (IP) access;
Stage 2
(3GPP TS 23.204 version 15.0.0 Release 15)
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3GPP TS 23.204 version 15.0.0 Release 15 1 ETSI TS 123 204 V15.0.0 (2018-07)
Reference
RTS/TSGS-0223204vf00
Keywords
LTE,UMTS
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3GPP TS 23.204 version 15.0.0 Release 15 2 ETSI TS 123 204 V15.0.0 (2018-07)
Intellectual Property Rights
Essential patents
IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
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Foreword
This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP).
The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or
GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables.
The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under
.
Modal verbs terminology
In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and
"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of
provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
ETSI
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3GPP TS 23.204 version 15.0.0 Release 15 3 ETSI TS 123 204 V15.0.0 (2018-07)
Contents
Intellectual Property Rights . 2
Foreword . 2
Modal verbs terminology . 2
Foreword . 5
Introduction . 5
1 Scope . 6
2 References . 6
3 Definitions and abbreviations . 7
3.1 Definitions . 7
3.2 Abbreviations . 8
4 Void . 8
4a Architecture Requirements . 8
4a.1 General . 8
4a.2 Transport-level interworking . 8
4a.3 Service-level interworking . 9
4a.4 SMS without MSISDN . 10
4a.5 SMS without MSISDN interworking with Non-supporting MSISDN-less SMS UE. 10
5 Architecture model and reference points . 11
5.1 Reference architecture . 11
5.2 Reference points . 11
5.2.1 General . 11
5.2.2 C/S6c interface . 11
5.2.3 Interface between the IP-SM-GW and the HLR/HSS . 12
5.2.4 E/Gd/Gdd/SGd interface . 12
5.2.5 ISC interface . 12
5.2.6 Void . 12
5.3 Functional entities . 12
5.3.1 IP-Short-Message-Gateway (IP-SM-GW) . 12
5.3.1.1 General . 12
5.3.1.2 Transport-level interworking. 13
5.3.1.3 Service-level interworking . 14
5.3.2 HSS/UDM . 14
6 Procedures . 15
6.0 General . 15
6.0a SMS without MSISDN in IMS . 15
6.0a.1 MO-SMS without MSISDN in IMS . 15
6.0a.2 MT-SMS without MSISDN in IMS . 15
6.1 Registration procedure . 16
6.2 De-registration procedure . 17
6.2.1 UE initiated . 17
6.2.2 Network initiated . 17
6.3 Transport-level interworking: Successful encapsulated Short Message origination procedure with
MSISDN . 18
6.3a Transport-level interworking: Short Message origination procedure without MSISDN . 19
6.3a.1 Initial delivery of SMS without MSISDN . 19
6.3a.2 Subsequent re-delivery of SMS without MSISDN . 20
6.4 Transport-level interworking: Successful encapsulated Short Message termination procedure from
SMS-GMSC . 21
6.4a Transport-level interworking: Short Message termination procedure without MSISDN from IMS
network . 23
6.5 Transport-level interworking: Delivery Report procedure . 24
6.5a Unsuccessful SM termination procedure . 24
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3GPP TS 23.204 version 15.0.0 Release 15 4 ETSI TS 123 204 V15.0.0 (2018-07)
6.5b Alert Service Centre procedure when UE is available . 26
6.6 Transport-level interworking: Alert service centre procedure when memory capacity is available . 28
6.7 Service-level Interworking: IM or CPM capable UE sends an Instant Message to an SMS user . 29
6.8 Interaction between transport-level and service-level Interworking . 30
6.8.1 General . 30
6.8.2 IMS Originating . 30
6.8.3 IMS Terminating . 31
6.9 Service-level Interworking: Concatenated Short Messages delivered as a large Instant Message . 32
6.10 Service-level interworking: Status Report procedure for Instant Message to Short Message interworking. 35
6.11 IM or CPM user sends an Instant Message to an SMSIP UE . 36
6.12 Delivery report for an Instant Message delivered as encapsulated Short Message . 37
6.13 Service-level interworking: IM or CPM capable UE sends an Instant Message to an SMS user with
Interworking in the terminating side . 38
6.14 Service-level interworking: IM or CPM user receives Short Message from an SMS user . 39
6.15 Service-level Interworking: CPM capable UE sends a Chat session invitation to an SMS user . 41
6.15.1 IP-SM-GW in the originating network . 41
6.15.2 IP-SM-GW in the terminating network . 42
6.16 Service-level Interworking: CPM capable UE tearing down a Chat session between a CPM user and an
SMS user . 45
6.16.1 IP-SM-GW in the originating network . 45
6.16.2 IP-SM-GW in the terminating network . 45
6.17 Service-level Interworking: SMS user requesting the IP-SM-GW to tear down the Chat session between
a CPM user and an SMS user . 47
6.17.1 IP-SM-GW in the originating network . 47
6.17.2 IP-SM-GW in the terminating network . 47
6.18 Service-level interworking: Status Report procedure for chat session message to Short Message
interworking . 49
Annex A (informative): Service-level interworking: IM or CPM user sends an Instant
Message to a group list including SMS users . 51
Annex B (informative): Group chat sessions . 53
B.1 Service-level interworking: IM or CPM user initiates a group chat and sends an Instant Message
to a group list including SMS users . 53
B.2 Service-level interworking: CPM user extends a one-to-one chat session into a group chat session . 56
B.3 Service-level interworking: IP-SM-GW informs SMS users about group chat participant changes . 57
Annex C (informative): Change History . 59
History . 60
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3GPP TS 23.204 version 15.0.0 Release 15 5 ETSI TS 123 204 V15.0.0 (2018-07)
Foreword
This Technical Specification has been produced by the 3rd Generation Partnership Project (3GPP).
The contents of the present document are subject to continuing work within the TSG and may change following formal
TSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with an
identifying change of release date and an increase in version number as follows:
Version x.y.z
where:
x the first digit:
1 presented to TSG for information;
2 presented to TSG for approval;
3 or greater indicates TSG approved document under change control.
y the second digit is incremented for all changes of substance, i.e. technical enhancements, corrections,
updates, etc.
z the third digit is incremented when editorial only changes have been incorporated in the document.
Introduction
The Short Message Service (SMS) has have enjoyed great success in cellular networks. At the same time, specifications
have been and are being developed for extending 3GPP services to non-cellular IP Connectivity Access Networks (IP-
CANs). In this same spirit, this specification describes the capabilities needed to support SMS for generic IP-CANs.
SMS over generic IP access can be used to support applications and services that use SMS when a generic IP access is
used.
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3GPP TS 23.204 version 15.0.0 Release 15 6 ETSI TS 123 204 V15.0.0 (2018-07)
1 Scope
The present document specifies the new capabilities and enhancements needed to support SMS over a generic IP
Connectivity Access Network (IP-CAN) using IMS capabilities (TS 23.228 [9]). These include (but are not limited) to:
1 Enhancements to the HSS;
2 Communication between the SMS-GMSC/SMS-IWMSC and the HSS;
3 Authentication of service usage and registration;
4 Transfer of UE Terminated SMS, UE Originated SMS, and Delivery reports;
5 Mechanisms to handle SMS when there is more than one IP connection active with the UE, etc.
6 Mechanisms to handle MT-SMS without MSISDN to IMS UE, and SMS between IMS UEs that support
MSISDN-less SMS operation.
The document also specifies the capabilities and enhancements needed to support the service level interworking for the
Short Message service as defined in the TS 23.040 [2] and in this specification and the Instant Messaging service as
defined in OMA-TS-SIMPLE_IM-V1_0 [12]. The features supported from the IM specification are limited to the
exchange of short or large immediate messages in pager mode.
NOTE: The page-mode immediate message as defined in TS 24.247[14] is considered as a subset of OMA-TS-
SIMPLE-IM-V1_0 [12].
The document also specifies the capabilities and enhancements needed to support service level interworking for the
Short Message service, as defined in the TS 23.040 [2] and in this specification and the OMA CPM service as defined
in OMA-TS-CPM_Conv_Fnct-V1_0 [17]. The features supported from the CPM specification are the exchange of short
or large immediate messages in pager mode, as well as session-based messaging.
The service requirements are described in TS 22.340 [18].
2 References
The following documents contain provisions which, through reference in this text, constitute provisions of the present
document.
- References are either specific (identified by date of publication, edition number, version number, etc.) or
non-specific.
- For a specific reference, subsequent revisions do not apply.
- For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including
a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same
Release as the present document.
[1] 3GPP TR 21.905: "Vocabulary for 3GPP Specifications".
[2] 3GPP TS 23.040: "Technical realization of the Short Message Service (SMS) Point to Point (PP)".
[3] Void.
[4] Void.
[5] Void.
[6] 3GPP TS 29.002: "Mobile Application Part (MAP) specification".
[7] Void.
[8] Void.
[9] 3GPP TS 23.228: "IP Multimedia Subsystem (IMS); Stage 2".
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3GPP TS 23.204 version 15.0.0 Release 15 7 ETSI TS 123 204 V15.0.0 (2018-07)
[10] Void.
[11] Void.
[12] OMA-TS-SIMPLE_IM-V1_0: "Instant Messaging using SIMPLE",
http://www.openmobilealliance.org/.
[13] IETF RFC 5438: "Instant Message Disposition Notification", February, 2009.
[14] 3GPP TS 24.247: "Messaging service using the IP Multimedia (IM) Core Network (CN)
subsystem; Stage 3".
[15] OMA-RD-CPM-V1_0: "CPM Requirements", http://www.openmobilealliance.org/.
[16] OMA-AD-CPM-V1_0: "CPM Architecture", http://www.openmobilealliance.org/.
[17] OMA-TS-CPM_Conv_Fnct-V1_0: "CPM Conversation Functions",
http://www.openmobilealliance.org/.
[18] 3GPP TS 22.340: "IP Multimedia System (IMS) messaging; Stage 1".
[19] IETF RFC 4975: "The Message Session Relay Protocol (MSRP)", September 2007.
[20] 3GPP TS 23.682: "Architecture enhancements to facilitate communications with packet data
networks and applications".
[21] 3GPP TS 23.060: "General Packet Radio Service (GPRS); Service description; Stage 2".
[22] 3GPP TS 23.272: "Circuit Switched (CS) fallback in Evolved Packet System (EPS); Stage 2".
[23] 3GPP TS 23.501: "System Architecture for the 5G System; Stage 2".
[24] 3GPP TS 23.502: "Procedures for the 5G System; Stage 2".
3 Definitions and abbreviations
3.1 Definitions
For the purposes of the present document, the terms and definitions given in TR 21.905 [1] and the following
definitions apply. A term defined in the present document takes precedence over the definition of the same term, if any,
in TR 21.905 [1]:
Converged IP Messaging: as defined in OMA-RD-CPM-V1_0 [15]. Converged IP Messaging supports one-to-one,
one-to-many personal communications, and also communication with Applications.
CPM Message: as defined in OMA-RD-CPM-V1_0 [15]: Information that is sent to one or more recipients. A CPM
Message can contain several discrete Media (e.g. text, images, audio-clips, video-clips).
CPM AS: An application server supporting the functionality of a CPM Participating Function and/or a CPM
Controlling Function as defined in OMA-RD-CPM-V1_0 [15].
IM origination: origination of an Instant Message by an IMS UE.
IM termination: termination of an Instant Message by an IMS UE.
IMS core: refers to the core session control elements of the IM CN Subsystem, i.e. the CSCFs, and the IBCF.
Instant Message: an Instant Message as defined in the OMA-TS-SIMPLE_IM-V1_0 [12] and TS 24.247 [14]. The
term Instant Message is also used to designate a CPM Message.
Interworking Selection Function: as defined in OMA-AD-CPM-V1_0 [16]. The Interworking Selection Function
selects an Interworking Function that should perform the actual interworking between CPM and SMS.
MSISDN-less SMS operation: operation to support SMS communication without the need of MSISDN in the UE's
IMS subscription profile.
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MSISDN-less Correlation ID: information element which consists of Receiver Identity (i.e. SIP-URI of B party),
Sender Identity (i.e, SIP-URI of A party), and HLR Identity (i.e., HLR that serves the B party).
Non-supporting MSISDN-less SMS UE: a UE which does not support MSISDN-less SMS operation as defined in this
specification.
SIMPLE IM service: the Instant Messaging Service as defined in the OMA-TS-SIMPLE_IM-V1_0 [12].
SM origination: origination of a Short Message (including SMS over IP) by an SMS capable UE, as defined in
TS 23.040 [2] and this specification.
SM termination: termination of a Short Message (including SMS over IP) by an SMS capable UE, as defined in
TS 23.040 [2] and this specification.
SMS: the Short Message Service as defined in the TS 23.040 [2].
SMSF: the SMS Function as defined in TS 23.501 [23].
SMSIP MESSAGE: an immediate message as defined in TS 23.228 [9], which encapsulates a SM in its text body.
SMSIP UE: a UE which supports SMSIP MESSAGE.
3.2 Abbreviations
For the purposes of the present document, the abbreviations given in TR 21.905 [1] and the following apply:
CPM Converged IP Messaging
IM Instant Message
IMDN Instant Message Disposition Notification
IP-SM-GW IP-Short-Message-Gateway
ISF Interworking Selection Function
SM Short Message
4 Void
4a Architecture Requirements
4a.1 General
The SMS-IP architecture supports the following:
- Notification shall be sent to the HSS that a previously unreachable UE is now reachable.
- Functionality is required to be able to select the domain for message delivery between IMS and CS/PS, and to
have the message delivered to the selected domain.
- Functionality is required to determine whether to transform the message format or not, and to perform the
transformation of the message format when determined.
- The interworking function shall generate the appropriate charging-related information and provide the
appropriate online charging mechanism (if it is applied for the Short Message Service and/or SIMPLE IM
services and/or CPM based services) for the interworking services.
4a.2 Transport-level interworking
For transport-level interworking , the architecture allows for the following:
- A registration and de-registration mechanism shall be supported where UEs are required to explicitly indicate
their ability to send and receive encapsulated Short Messages.
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3GPP TS 23.204 version 15.0.0 Release 15 9 ETSI TS 123 204 V15.0.0 (2018-07)
- It shall provide for the transport of Short Message Service TP layer PDUs (TS 23.040 [2]) and associated RP
layer information.
4a.3 Service-level interworking
For service-level interworking, the architecture allows for the following:
- The service-level interworking is a value added service which requires service subscription. In addition, it shall
also take the operator's policy, if available, into account, e.g. checking on the barring setting of the subscriber to
determine whether to provide this interworking or not, so the service authorisation shall be supported before the
interworking is executed.
- The service-level interworking applies as a fallback only if the users cannot communicate with each other using
their chosen messaging service according to the user preference and operator policy. The location of the
interworking service can be in the originating network and in the terminating network.
- The service-level interworking shall support interworking between OMA SIMPLE IM service as defined in
OMA-TS-SIMPLE_IM-V1_0 [12] and Short Message Service, as defined in the TS 23.040 [2] and in the current
specification.
- The service-level interworking shall support interworking between OMA CPM service as defined in OMA-TS-
CPM_Conv_Fnct-V1_0 [17] and Short Message Service, as defined in the TS 23.040 [2] and in the current
specification.
- The service-level interworking shall take the capability of the terminating UE into account when possible.
- The service level interworking shall be transparent to the end user.
- The service-level interworking shall minimize the impact on the IMS architecture.
- The service-level interworking shall not impact existing functionality of the Short Message Service as described
in TS 23.040 [2] or of the SIMPLE IM service enabler as described in OMA-TS-SIMPLE_IM-V1_0 [12] or of
the CPM service enabler as described in OMA TS CPM_Conv_Fnct-V1_0 [17]. Existing security mechanisms
for the SIMPLE IM service, the Converged IP Messaging service and the Short Message Service shall be reus
...