SIST EN 300 175-5 V2.5.1:2013

• Abstract:

  The present document is one of the parts of the specification of the Digital Enhanced Cordless Telecommunications (DECT) Common Interface (CI). The present document specifies the Network (NWK) layer. The NWK layer is part 5 of the EN 300 175 and layer 3 of the DECT protocol stack.; The present document only specifies the C-plane (control plane) of the DECT NWK layer. It contains no specification for the U-plane (user plane) because the U-plane is null for all services at the DECT NWK layer. The C-plane contains all of the internal signalling information, and the NWK layer protocols are grouped into the following families of procedures:; - Call Control (CC);; - Supplementary Services (SS);; - Connection Oriented Message Service (COMS);; - ConnectionLess Message Service (CLMS);; - Mobility Management (MM);; - Link Control Entity (LCE).; The present document uses the layered model principles and terminology as described in Recommendations ITU-T X.200 [i.3] and X.210 [i.4]. The present document includes New Generation DECT, a further development of the DECT standard introducing wideband speech, improved data services, new slot types and other technical enhancements.

• Status: Published
• Public Enquiry End Date: 31-Jul-2013
• Publication Date: 23-Sep-2013
• ICS: 33.070.30 - Digital Enhanced Cordless Telecommunications (DECT)
• ICS: 35.100.30 - Network layer
• Technical Committee: MOC - Mobile Communications
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 02-Sep-2013
• Due Date: 07-Nov-2013
• Completion Date: 24-Sep-2013
• Ref Project: ETSI EN 300 175-5 V2.5.1 (2013-08) - Digital Enhanced Cordless Telecommunications (DECT); Common Interface (CI); Part 5: Network (NWK) layer

SIST EN 300 175-5 V2.5.1:2013 is the Slovenian adoption of the ETSI DECT Common Interface standard for the Network (NWK) layer. It specifies layer 3 of the DECT protocol stack for the control plane used by DECT portable and fixed parts, and it gives the message and information element coding needed to exchange signalling over the air.

The document focuses on the procedures, message formats and information elements used in DECT control signalling. In practice, it is the part of the DECT CI family that implementers use when they need to build, test or interpret NWK-layer behaviour and message encodings.

What does SIST EN 300 175-5 V2.5.1:2013 specify?

SIST EN 300 175-5 V2.5.1:2013 specifies the DECT NWK layer and organises it as a procedural overview followed by detailed message and element coding. The standard is limited to the C-plane and supports New Generation DECT features such as wideband speech, improved data services and new slot types.

The main structure is:

• Clause 1 - Scope
• Clause 2 - References
• Clause 3 - Definitions, symbols and abbreviations
• Clause 4 - Overview of the NWK layer
• Clause 5 - Overview of procedures
• Clause 6 - Message functional definitions
• Clause 7 - S-FORMAT message structures
• Clause 8 - B-FORMAT message structures

Clause 5 groups NWK procedures into Call Control (CC), Supplementary Services (SS), Connection Oriented Message Service (COMS), ConnectionLess Message Service (CLMS), Mobility Management (MM) and Link Control Entity (LCE). That matters because these are the families an implementer must support or recognise when exchanging signalling.

What are the key requirements of SIST EN 300 175-5 V2.5.1:2013?

Clause 5 is the procedural map for the whole layer. It sets out how CC handles call establishment, connect, information, service change and release; how SS covers keypad, feature key management and functional protocols; how COMS, CLMS, MM and LCE each manage their own signalling tasks.

Clause 6 defines the message functions for those procedure families and separates S-FORMAT and B-FORMAT messages. This matters because the receiver uses the message type to identify what the message does before it interprets the information elements.

Clause 7 defines the structure of S-FORMAT messages. It uses the Protocol Discrimination (PD) element, Transaction Identifier (TI), message type and coded information elements, so implementers must encode and decode these fields consistently to track transactions and route messages correctly.

Clause 7 also defines the coding rules for information elements. Fixed-length elements and variable-length elements are treated differently, and variable-length elements follow a defined order of appearance and extension rules. That matters for parsing, because equipment can detect missing or present fields without scanning arbitrary data.

Clause 7.6 gives the fixed-length information elements, including Release reason, Signal, Timer restart and Test hook control. These values are used in call handling and fault reporting, so they tell the other side why a procedure ended or what control action is being requested.

Clause 7.7 defines the variable-length information elements used by the NWK layer. These include call numbers, calling and called party numbers and names, identities, cipher and authentication data, connection and service attributes, codec lists, progress indicators, transit delay, window size, events notification and call information. In practice, these elements carry the parameters that make a call, service or mobility event meaningful to the other side.

Clause 8 defines B-FORMAT message structures for broadcast use. It covers {LCE-REQUEST-PAGE} and {CLMS-FIXED} in short, full and long formats, which is important for paging and other broadcast signalling over the lower layer.

What terms does SIST EN 300 175-5 V2.5.1:2013 define?

• Network (NWK) layer - The DECT layer 3 signalling layer that carries control information between DECT entities.
• C-plane - The control plane used for signalling and internal protocol exchange at the NWK layer.
• U-plane - The user plane; in this standard it is null for all services at the NWK layer.
• Call Control (CC) - The procedure family that handles call setup, alerting, connect, information, service change and release.
• Connection Oriented Message Service (COMS) - The signalling family used for connection-oriented message transfer.
• ConnectionLess Message Service (CLMS) - The signalling family used for connectionless message transfer.
• Link Control Entity (LCE) - The procedure family that manages data link endpoints, paging and data link establishment, re-establishment, release, suspend and resume.

Who uses SIST EN 300 175-5 V2.5.1:2013?

SIST EN 300 175-5 V2.5.1:2013 is used by DECT equipment designers, protocol implementers, test laboratories, certification teams and quality managers. It is relevant for people building or verifying portable parts and fixed parts, especially when they need to encode NWK messages, identities, call control and mobility procedures correctly.

Buyers and integrators use it to check whether a DECT implementation supports the signalling features needed for a target product or profile. Test teams use it for conformance and interoperability work, because the standard defines the message contents and coding that must match on both sides.

Which standards are used with SIST EN 300 175-5 V2.5.1:2013?

• ITU-T X.200 and ITU-T X.210 - Provide the layered model principles and terminology used by the document.
• EN 300 403-1 - Provides the principles for variable-length information element coding.
• EN 300 175-6 - Provides identities and addressing used by portable identity and related fields.
• EN 300 175-3 - Supports paging and lower-layer related concepts used in B-FORMAT and transit-delay/window-size references.
• EN 300 175-4 - Provides U-plane link-number details and related procedure references.
• EN 300 175-7 - Provides the meaning of DSAA2 and DSC2 authentication and ciphering algorithms.
• EN 301 649 - Used for DPRS classes and related packet/data profile references.
• TS 102 527-1, TS 102 527-3, TS 102 527-4 and TS 102 527-5 - Provide NG-DECT features referenced in capability and service fields.

What does the SIST EN 300 175-5 V2.5.1:2013 document contain?

The document contains procedure overviews, message summaries, message function definitions and detailed coding for DECT NWK signalling. It gives tables and figures for message types, information element formats, identities, calling and called party data, call attributes, service indicators, ciphering and authentication parameters, codec lists and event notifications.

It also contains the broadcast message structures used by LCE and CLMS, including paging formats. For implementation work, the useful content is the set of coding rules and data structures that define how a DECT device builds, sends, receives and interprets NWK-layer signalling.

Draft ETSI EN 300 175-5 V2.5.0 (2013-04)

European Standard
Digital Enhanced Cordless Telecommunications (DECT);
Common Interface (CI);
Part 5: Network (NWK) layer
2 Draft ETSI EN 300 175-5 V2.5.0 (2013-04)

Reference
REN/DECT-000268-5
Keywords
DECT, IMT-2000, mobility, radio, TDD, TDMA
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

Siret N° 348 623 562 00017 - NAF 742 C
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88

Important notice
Individual copies of the present document can be downloaded from:
http://www.etsi.org
The present document may be made available in more than one electronic version or in print. In any case of existing or
perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF).
In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific network drive
within ETSI Secretariat.
Users of the present document should be aware that the document may be subject to revision or change of status.
Information on the current status of this and other ETSI documents is available at
http://portal.etsi.org/tb/status/status.asp
If you find errors in the present document, please send your comment to one of the following services:
http://portal.etsi.org/chaircor/ETSI_support.asp
Copyright Notification
No part may be reproduced except as authorized by written permission.
The copyright and the foregoing restriction extend to reproduction in all media.

© European Telecommunications Standards Institute 2013.
All rights reserved.
TM TM TM
DECT , PLUGTESTS , UMTS and the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members.
TM
3GPP and LTE™ are Trade Marks of ETSI registered for the benefit of its Members and
of the 3GPP Organizational Partners.
GSM® and the GSM logo are Trade Marks registered and owned by the GSM Association.
ETSI
3 Draft ETSI EN 300 175-5 V2.5.0 (2013-04)
Contents
Intellectual Property Rights . 16
Foreword . 16
1 Scope . 17
2 References . 18
2.1 Normative references . 18
2.2 Informative references . 22
3 Definitions, symbols and abbreviations . 23
3.1 Definitions . 23
3.2 Symbols and abbreviations . 23
4 Overview of the NWK layer . 27
5 Overview of procedures . 29
5.1 General . 29
5.2 Overview of Call Control (CC) . 29
5.2.1 General . 29
5.2.2 Call establishment . 30
5.2.2.1 Call setup . 30
5.2.2.2 Service negotiation . 30
5.2.3 Call connect . 30
5.2.4 Call information . 31
5.2.5 Service change . 31
5.2.6 Call release. 31
5.3 Overview of Supplementary Services (SS) . 31
5.3.1 General . 31
5.3.2 Keypad protocol . 32
5.3.3 Feature key management protocol . 32
5.3.4 Functional protocol . 32
5.4 Overview of Connection Oriented Message Service (COMS) . 33
5.4.1 General . 33
5.4.2 COMS establishment . 33
5.4.3 Service negotiation . 33
5.4.4 COMS connect . 33
5.4.5 COMS data transfer . 33
5.4.6 COMS suspend and resume . 34
5.4.7 COMS release . 34
5.5 Overview of ConnectionLess Message Service (CLMS) . 34
5.5.1 Fixed length message service. 34
5.5.2 Variable length message service . 34
5.6 Overview of Mobility Management (MM) . 35
5.6.1 General . 35
5.6.2 Identity procedures . 35
5.6.3 Authentication procedures . 35
5.6.4 Location procedures . 36
5.6.5 Access rights procedures . 36
5.6.6 Key allocation procedure . 37
5.6.7 Parameter retrieval procedure . 37
5.6.8 Ciphering related procedure . 37
5.6.9 External protocol information procedure . 37
5.7 Overview of Link Control Entity (LCE) . 37
5.7.1 General . 37
5.7.2 Data Link Endpoint Identifier (DLEI) . 38
5.7.3 Data link establishment . 38
5.7.4 Data link re-establishment . 38
5.7.5 Data link release . 39
ETSI
4 Draft ETSI EN 300 175-5 V2.5.0 (2013-04)
5.7.6 Data link suspend and resume. 39
5.7.7 Queuing of messages . 39
5.7.8 Request paging . 39
6 Message functional definitions . 40
6.1 Overview of message structures . 40
6.1.1 Messages . 40
6.1.2 Information elements . 40
6.2 Message summaries . 41
6.2.1 Summary of CC messages . 41
6.2.2 Summary of CISS messages . 41
6.2.3 Summary of COMS messages . 42
6.2.4 Summary of CLMS messages . 42
6.2.5 Summary of MM messages . 43
6.2.6 Summary of LCE messages . 43
6.3 S-FORMAT message functional contents . 44
6.3.1 S-FORMAT message overview . 44
6.3.2 CC-messages. 44
6.3.2.1 {CC-SETUP} . 44
6.3.2.2 {CC-INFO} . 46
6.3.2.3 {CC-SETUP-ACK} . 47
6.3.2.4 {CC-CALL-PROC} . 48
6.3.2.5 {CC-ALERTING} . 49
6.3.2.6 {CC-CONNECT} . 50
6.3.2.7 {CC-CONNECT-ACK} . 51
6.3.2.8 {CC-RELEASE} . 51
6.3.2.9 {CC-RELEASE-COM} . 53
6.3.2.10 {CC-SERVICE-CHANGE} . 54
6.3.2.11 {CC-SERVICE-ACCEPT} . 55
6.3.2.12 {CC-SERVICE-REJECT} . 55
6.3.2.13 {CC-NOTIFY}. 56
6.3.2.14 {IWU-INFO} . 56
6.3.3 SS-messages (call related and call independent) . 57
6.3.3.1 {FACILITY} . 57
6.3.3.2 {HOLD} . 58
6.3.3.3 {HOLD-ACK} . 58
6.3.3.4 {HOLD-REJECT} . 59
6.3.3.5 {RETRIEVE} . 59
6.3.3.6 {RETRIEVE-ACK} . 60
6.3.3.7 {RETRIEVE-REJECT} . 60
6.3.3.8 {CISS-REGISTER} . 61
6.3.3.9 {CISS-RELEASE-COM} . 62
6.3.4 COMS-messages . 62
6.3.4.1 {COMS-SETUP} . 62
6.3.4.2 {COMS-INFO} . 63
6.3.4.3 {COMS-ACK} . 64
6.3.4.4 {COMS-CONNECT} . 64
6.3.4.5 {COMS-RELEASE} . 65
6.3.4.6 {COMS-RELEASE-COM} . 65
6.3.4.7 {COMS-NOTIFY}. 66
6.3.5 CLMS-message . 66
6.3.5.1 {CLMS-VARIABLE} . 66
6.3.6 MM-messages . 67
6.3.6.1 {ACCESS-RIGHTS-ACCEPT} . 67
6.3.6.2 {ACCESS-RIGHTS-REJECT} . 67
6.3.6.3 {ACCESS-RIGHTS-REQUEST} . 68
6.3.6.4 {ACCESS-RIGHTS-TERMINATE-ACCEPT} . 68
6.3.6.5 {ACCESS-RIGHTS-TERMINATE-REJECT} . 69
6.3.6.6 {ACCESS-RIGHTS-TERMINATE-REQUEST} . 69
6.3.6.7 {AUTHENTICATION-REJECT} . 70
6.3.6.8 {AUTHENTICATION-REPLY} . 71
6.3.6.9 {AUTHENTICATION-REQUEST} . 72
ETSI
5 Draft ETSI EN 300 175-5 V2.5.0 (2013-04)
6.3.6.10 {CIPHER-REJECT} . 72
6.3.6.11 {CIPHER-REQUEST} . 73
6.3.6.12 {CIPHER-SUGGEST} . 73
6.3.6.13 {DETACH} . 73
6.3.6.14 {IDENTITY-REPLY} . 74
6.3.6.15 {IDENTITY-REQUEST} . 75
6.3.6.16 {KEY-ALLOCATE} . 75
6.3.6.17 {LOCATE-ACCEPT} . 76
6.3.6.18 {LOCATE-REJECT} . 76
6.3.6.19 {LOCATE-REQUEST} . 77
6.3.6.20 {MM-INFO-ACCEPT} . 78
6.3.6.21 {MM-INFO-REJECT} . 78
6.3.6.22 {MM-INFO-REQUEST} . 79
6.3.6.23 {MM-INFO-SUGGEST} . 80
6.3.6.24 {TEMPORARY-IDENTITY-ASSIGN} . 80
6.3.6.25 {TEMPORARY-IDENTITY-ASSIGN-ACK} . 81
6.3.6.26 {TEMPORARY-IDENTITY-ASSIGN-REJ} . 81
6.3.6.27 {MM-IWU} . 82
6.3.6.28 {MM-NOTIFY} . 82
6.3.7 LCE-messages . 83
6.3.7.1 {LCE-PAGE-RESPONSE} . 83
6.3.7.2 {LCE-PAGE-REJECT} . 83
6.4 B-FORMAT message functional contents . 84
6.4.1 B-FORMAT message overview . 84
6.4.2 {LCE-REQUEST-PAGE} . 84
6.4.3 {CLMS-FIXED}. 85
7 S-FORMAT message structures . 85
7.1 Overview . 85
7.2 Protocol Discrimination (PD) element . 86
7.3 Transaction Identifier (TI) element . 86
7.4 Message type element . 87
7.4.1 Messages for CC . 88
7.4.2 Messages for SS . 88
7.4.3 Messages for COMS . 88
7.4.4 Messages for CLMS . 89
7.4.5 Messages for MM . 89
7.4.6 Messages for LCE . 89
7.5 Other information elements . 90
7.5.1 Coding rules . 90
7.5.2 Extensions of codesets . 92
7.5.3 Locking shift procedure . 92
7.5.4 Non-locking shift procedure . 93
7.5.5 Display and keypad elements. 93
7.5.6 Repeated elements . 93
7.6 Fixed length information elements . 94
7.6.1 Summary . 94
7.6.2 Sending complete, delimiter request and use TPUI . 94
7.6.3 Repeat indicator . 95
7.6.4 Basic service . 95
7.6.5 Single display. 96
7.6.6 Single keypad . 96
7.6.7 Release reason . 97
7.6.8 Signal . 98
7.6.9 Timer restart. 99
7.6.10 Test hook control . 99
7.7 Variable length information elements . 99
7.7.1 Summary . 99
7.7.2 Allocation type . 101
7.7.3 Alphanumeric . 101
7.7.4 Auth type . 103
7.7.5 Call attributes . 104
ETSI
6 Draft ETSI EN 300 175-5 V2.5.0 (2013-04)
7.7.6 Call identity . 108
7.7.7 Called party number. 109
7.7.8 Called party subaddress . 110
7.7.9 Calling party number . 110
7.7.10 Cipher info . 111
7.7.11 Connection attributes . 112
7.7.12 Connection identity . 116
7.7.13 Duration . 117
7.7.14 End-to-end compatibility . 118
7.7.15 Facility . 121
7.7.16 Feature activate . 121
7.7.17 Feature indicate . 123
7.7.18 Fixed identity . 125
7.7.19 Identity type . 126
7.7.20 Info type . 127
7.7.21 InterWorking Unit (IWU) attributes . 128
7.7.22 IWU packet . 133
7.7.23 IWU to IWU . 134
7.7.24 Key. 136
7.7.25 Location area . 136
7.7.26 Multi-display. 137
7.7.27 Multi-keypad. 138
7.7.28 NetWorK (NWK) assigned identity . 138
7.7.29 Network parameter . 139
7.7.30 Portable identity . 141
7.7.31 Progress indicator . 145
7.7.32 RAND . 146
7.7.33 Rate parameters . 146
7.7.34 Reject reason . 147
7.7.35 RES . 148
7.7.36 RS . 149
7.7.37 Segmented info . 149
7.7.38 Service change info . 150
7.7.39 Service class. 151
7.7.40 Setup capability . 152
7.7.41 Terminal capability . 153
7.7.42 Transit delay . 159
7.7.43 Window size . 160
7.7.44 ZAP field . 160
7.7.45 Escape to proprietary . 161
7.7.46 Model identifier . 161
7.7.47 MMS Generic Header . 162
7.7.48 MMS Object Header . 162
7.7.49 MMS Extended header . 163
7.7.50 Time-Date . 163
7.7.51 Ext h/o indicator . 165
7.7.52 Called party Name . 165
7.7.53 Calling party Name . 166
7.7.54 Codec List . 167
7.7.55 Events notification . 168
7.7.55.1 General structure . 168
7.7.55.2 Event types . 170
7.7.56 Call information . 174
7.7.57 List change details . 177
7.7.58 ULE MAC Configuration Info . 179
8 B-FORMAT message structures . 180
8.1 General . 180
8.2 LCE request paging messages . 180
8.2.1 Short format message. 180
8.2.2 Full format message . 182
8.2.3 Long format message . 183
ETSI
7 Draft ETSI EN 300 175-5 V2.5.0 (2013-04)
8.2.4 Message elements . 183
8.2.4.1 LCE paging header . 183
8.2.4.2 Info fields (Full format) . 185
8.2.4.3 Default setup behaviour . 186
8.2.4.4 Address elements in collective or group ringing . 187
8.3 CLMS-FIXED messages . 187
8.3.1 General message structure . 187
8.3.2 Message elements . 188
8.3.3 Standard message structures . 190
8.3.3.1 General . 190
8.3.3.2 Messages using 4-bit characters . 190
8.3.3.3 Messages using 8-bit characters . 190
9 Call Control (CC) procedures . 190
9.1 General . 190
9.2 Call Control (CC) states . 193
9.2.1 States at PT . 193
9.2.1.1 State T-00: "NULL" . 193
9.2.1.2 State T-19: "RELEASE PENDING" . 193
9.2.1.3 State T-10: "ACTIVE" . 193
9.2.1.4 State T-01: "CALL INITIATED" . 193
9.2.1.5 State T-02: "OVERLAP SENDING" . 193
9.2.1.6 State T-03: "CALL PROCEEDING" . 193
9.2.1.7 State T-04: "CALL DELIVERED" . 193
9.2.1.8 State T-06: "CALL PRESENT" . 193
9.2.1.9 State T-07: "CALL RECEIVED". 193
9.2.1.10 State T-08: "CONNECT PENDING" . 193
9.2.2 States at FT . 194
9.2.2.1 State F-00: "NULL" . 194
9.2.2.2 State F-19: "RELEASE PENDING" . 194
9.2.2.3 State F-10: "ACTIVE" . 194
9.2.2.4 State F-01: "CALL-INITIATED" . 194
9.2.2.5 State F-02: "OVERLAP SENDING" .
...

European Standard
Digital Enhanced Cordless Telecommunications (DECT);
Common Interface (CI);
Part 5: Network (NWK) layer
2 ETSI EN 300 175-5 V2.5.1 (2013-08)

Reference
REN/DECT-000268-5
Keywords
DECT, IMT-2000, mobility, radio, TDD, TDMA
ETSI
650 Route des Lucioles
F-06921 Sophia Antipolis Cedex - FRANCE

Tel.: [phone]  Fax: [phone]

Siret N° 348 623 562 00017 - NAF 742 C
Association à but non lucratif enregistrée à la
Sous-Préfecture de Grasse (06) N° 7803/88

Important notice
Individual copies of the present document can be downloaded from:
http://www.etsi.org
The present document may be made available in more than one electronic version or in print. In any case of existing or
perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF).
In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific network drive
within ETSI Secretariat.
Users of the present document should be aware that the document may be subject to revision or change of status.
Information on the current status of this and other ETSI documents is available at
http://portal.etsi.org/tb/status/status.asp
If you find errors in the present document, please send your comment to one of the following services:
http://portal.etsi.org/chaircor/ETSI_support.asp
Copyright Notification
No part may be reproduced except as authorized by written permission.
The copyright and the foregoing restriction extend to reproduction in all media.

© European Telecommunications Standards Institute 2013.
All rights reserved.
TM TM TM
DECT , PLUGTESTS , UMTS and the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members.
TM
3GPP and LTE™ are Trade Marks of ETSI registered for the benefit of its Members and
of the 3GPP Organizational Partners.
GSM® and the GSM logo are Trade Marks registered and owned by the GSM Association.
ETSI
3 ETSI EN 300 175-5 V2.5.1 (2013-08)
Contents
Intellectual Property Rights . 16
Foreword . 16
1 Scope . 17
2 References . 18
2.1 Normative references . 18
2.2 Informative references . 22
3 Definitions, symbols and abbreviations . 23
3.1 Definitions . 23
3.2 Symbols and abbreviations . 23
4 Overview of the NWK layer . 27
5 Overview of procedures . 29
5.1 General . 29
5.2 Overview of Call Control (CC) . 29
5.2.1 General . 29
5.2.2 Call establishment . 30
5.2.2.1 Call setup . 30
5.2.2.2 Service negotiation . 30
5.2.3 Call connect . 30
5.2.4 Call information . 31
5.2.5 Service change . 31
5.2.6 Call release. 31
5.3 Overview of Supplementary Services (SS) . 31
5.3.1 General . 31
5.3.2 Keypad protocol . 32
5.3.3 Feature key management protocol . 32
5.3.4 Functional protocol . 32
5.4 Overview of Connection Oriented Message Service (COMS) . 33
5.4.1 General . 33
5.4.2 COMS establishment . 33
5.4.3 Service negotiation . 33
5.4.4 COMS connect . 33
5.4.5 COMS data transfer . 33
5.4.6 COMS suspend and resume . 34
5.4.7 COMS release . 34
5.5 Overview of ConnectionLess Message Service (CLMS) . 34
5.5.1 Fixed length message service. 34
5.5.2 Variable length message service . 34
5.6 Overview of Mobility Management (MM) . 35
5.6.1 General . 35
5.6.2 Identity procedures . 35
5.6.3 Authentication procedures . 35
5.6.4 Location procedures . 36
5.6.5 Access rights procedures . 36
5.6.6 Key allocation procedure . 37
5.6.7 Parameter retrieval procedure . 37
5.6.8 Ciphering related procedure . 37
5.6.9 External protocol information procedure . 37
5.7 Overview of Link Control Entity (LCE) . 37
5.7.1 General . 37
5.7.2 Data Link Endpoint Identifier (DLEI) . 38
5.7.3 Data link establishment . 38
5.7.4 Data link re-establishment . 38
5.7.5 Data link release . 39
ETSI
4 ETSI EN 300 175-5 V2.5.1 (2013-08)
5.7.6 Data link suspend and resume. 39
5.7.7 Queuing of messages . 39
5.7.8 Request paging . 39
6 Message functional definitions . 40
6.1 Overview of message structures . 40
6.1.1 Messages . 40
6.1.2 Information elements . 40
6.2 Message summaries . 41
6.2.1 Summary of CC messages . 41
6.2.2 Summary of CISS messages . 41
6.2.3 Summary of COMS messages . 42
6.2.4 Summary of CLMS messages . 42
6.2.5 Summary of MM messages . 43
6.2.6 Summary of LCE messages . 43
6.3 S-FORMAT message functional contents . 44
6.3.1 S-FORMAT message overview . 44
6.3.2 CC-messages. 44
6.3.2.1 {CC-SETUP} . 44
6.3.2.2 {CC-INFO} . 46
6.3.2.3 {CC-SETUP-ACK} . 47
6.3.2.4 {CC-CALL-PROC} . 48
6.3.2.5 {CC-ALERTING} . 49
6.3.2.6 {CC-CONNECT} . 50
6.3.2.7 {CC-CONNECT-ACK} . 51
6.3.2.8 {CC-RELEASE} . 51
6.3.2.9 {CC-RELEASE-COM} . 53
6.3.2.10 {CC-SERVICE-CHANGE} . 54
6.3.2.11 {CC-SERVICE-ACCEPT} . 55
6.3.2.12 {CC-SERVICE-REJECT} . 55
6.3.2.13 {CC-NOTIFY}. 56
6.3.2.14 {IWU-INFO} . 56
6.3.3 SS-messages (call related and call independent) . 57
6.3.3.1 {FACILITY} . 57
6.3.3.2 {HOLD} . 58
6.3.3.3 {HOLD-ACK} . 58
6.3.3.4 {HOLD-REJECT} . 59
6.3.3.5 {RETRIEVE} . 59
6.3.3.6 {RETRIEVE-ACK} . 60
6.3.3.7 {RETRIEVE-REJECT} . 60
6.3.3.8 {CISS-REGISTER} . 61
6.3.3.9 {CISS-RELEASE-COM} . 62
6.3.4 COMS-messages . 62
6.3.4.1 {COMS-SETUP} . 62
6.3.4.2 {COMS-INFO} . 63
6.3.4.3 {COMS-ACK} . 64
6.3.4.4 {COMS-CONNECT} . 64
6.3.4.5 {COMS-RELEASE} . 65
6.3.4.6 {COMS-RELEASE-COM} . 65
6.3.4.7 {COMS-NOTIFY}. 66
6.3.5 CLMS-message . 66
6.3.5.1 {CLMS-VARIABLE} . 66
6.3.6 MM-messages . 67
6.3.6.1 {ACCESS-RIGHTS-ACCEPT} . 67
6.3.6.2 {ACCESS-RIGHTS-REJECT} . 67
6.3.6.3 {ACCESS-RIGHTS-REQUEST} . 68
6.3.6.4 {ACCESS-RIGHTS-TERMINATE-ACCEPT} . 68
6.3.6.5 {ACCESS-RIGHTS-TERMINATE-REJECT} . 69
6.3.6.6 {ACCESS-RIGHTS-TERMINATE-REQUEST} . 69
6.3.6.7 {AUTHENTICATION-REJECT} . 70
6.3.6.8 {AUTHENTICATION-REPLY} . 71
6.3.6.9 {AUTHENTICATION-REQUEST} . 72
ETSI
5 ETSI EN 300 175-5 V2.5.1 (2013-08)
6.3.6.10 {CIPHER-REJECT} . 72
6.3.6.11 {CIPHER-REQUEST} . 73
6.3.6.12 {CIPHER-SUGGEST} . 73
6.3.6.13 {DETACH} . 73
6.3.6.14 {IDENTITY-REPLY} . 74
6.3.6.15 {IDENTITY-REQUEST} . 75
6.3.6.16 {KEY-ALLOCATE} . 75
6.3.6.17 {LOCATE-ACCEPT} . 76
6.3.6.18 {LOCATE-REJECT} . 76
6.3.6.19 {LOCATE-REQUEST} . 77
6.3.6.20 {MM-INFO-ACCEPT} . 78
6.3.6.21 {MM-INFO-REJECT} . 78
6.3.6.22 {MM-INFO-REQUEST} . 79
6.3.6.23 {MM-INFO-SUGGEST} . 80
6.3.6.24 {TEMPORARY-IDENTITY-ASSIGN} . 80
6.3.6.25 {TEMPORARY-IDENTITY-ASSIGN-ACK} . 81
6.3.6.26 {TEMPORARY-IDENTITY-ASSIGN-REJ} . 81
6.3.6.27 {MM-IWU} . 82
6.3.6.28 {MM-NOTIFY} . 82
6.3.7 LCE-messages . 83
6.3.7.1 {LCE-PAGE-RESPONSE} . 83
6.3.7.2 {LCE-PAGE-REJECT} . 83
6.4 B-FORMAT message functional contents . 84
6.4.1 B-FORMAT message overview . 84
6.4.2 {LCE-REQUEST-PAGE} . 84
6.4.3 {CLMS-FIXED}. 85
7 S-FORMAT message structures . 85
7.1 Overview . 85
7.2 Protocol Discrimination (PD) element . 86
7.3 Transaction Identifier (TI) element . 86
7.4 Message type element . 87
7.4.1 Messages for CC . 88
7.4.2 Messages for SS . 88
7.4.3 Messages for COMS . 88
7.4.4 Messages for CLMS . 89
7.4.5 Messages for MM . 89
7.4.6 Messages for LCE . 89
7.5 Other information elements . 90
7.5.1 Coding rules . 90
7.5.2 Extensions of codesets . 92
7.5.3 Locking shift procedure . 92
7.5.4 Non-locking shift procedure . 93
7.5.5 Display and keypad elements. 93
7.5.6 Repeated elements . 93
7.6 Fixed length information elements . 94
7.6.1 Summary . 94
7.6.2 Sending complete, delimiter request and use TPUI . 94
7.6.3 Repeat indicator . 95
7.6.4 Basic service . 95
7.6.5 Single display. 96
7.6.6 Single keypad . 96
7.6.7 Release reason . 97
7.6.8 Signal . 98
7.6.9 Timer restart. 99
7.6.10 Test hook control . 99
7.7 Variable length information elements . 99
7.7.1 Summary . 99
7.7.2 Allocation type . 101
7.7.3 Alphanumeric . 101
7.7.4 Auth type . 103
7.7.5 Call attributes . 104
ETSI
6 ETSI EN 300 175-5 V2.5.1 (2013-08)
7.7.6 Call identity . 108
7.7.7 Called party number. 109
7.7.8 Called party subaddress . 110
7.7.9 Calling party number . 110
7.7.10 Cipher info . 111
7.7.11 Connection attributes . 112
7.7.12 Connection identity . 116
7.7.13 Duration . 117
7.7.14 End-to-end compatibility . 118
7.7.15 Facility . 121
7.7.16 Feature activate . 121
7.7.17 Feature indicate . 123
7.7.18 Fixed identity . 125
7.7.19 Identity type . 126
7.7.20 Info type . 127
7.7.21 InterWorking Unit (IWU) attributes . 128
7.7.22 IWU packet . 133
7.7.23 IWU to IWU . 134
7.7.24 Key. 136
7.7.25 Location area . 136
7.7.26 Multi-display. 137
7.7.27 Multi-keypad. 138
7.7.28 NetWorK (NWK) assigned identity . 138
7.7.29 Network parameter . 139
7.7.30 Portable identity . 141
7.7.31 Progress indicator . 145
7.7.32 RAND . 146
7.7.33 Rate parameters . 146
7.7.34 Reject reason . 147
7.7.35 RES . 148
7.7.36 RS . 149
7.7.37 Segmented info . 149
7.7.38 Service change info . 150
7.7.39 Service class. 151
7.7.40 Setup capability . 152
7.7.41 Terminal capability . 153
7.7.42 Transit delay . 159
7.7.43 Window size . 160
7.7.44 ZAP field . 160
7.7.45 Escape to proprietary . 161
7.7.46 Model identifier . 161
7.7.47 MMS Generic Header . 162
7.7.48 MMS Object Header . 162
7.7.49 MMS Extended header . 163
7.7.50 Time-Date . 163
7.7.51 Ext h/o indicator . 165
7.7.52 Called party Name . 165
7.7.53 Calling party Name . 166
7.7.54 Codec List . 167
7.7.55 Events notification . 168
7.7.55.1 General structure . 168
7.7.55.2 Event types . 170
7.7.56 Call information . 174
7.7.57 List change details . 177
7.7.58 ULE MAC Configuration Info. 179
8 B-FORMAT message structures . 180
8.1 General . 180
8.2 LCE request paging messages . 180
8.2.1 Short format message. 180
8.2.2 Full format message . 182
8.2.3 Long format message . 183
ETSI
7 ETSI EN 300 175-5 V2.5.1 (2013-08)
8.2.4 Message elements . 183
8.2.4.1 LCE paging header . 183
8.2.4.2 Info fields (Full format) . 185
8.2.4.3 Default setup behaviour . 186
8.2.4.4 Address elements in collective or group ringing . 187
8.3 CLMS-FIXED messages . 187
8.3.1 General message structure . 187
8.3.2 Message elements . 188
8.3.3 Standard message structures . 190
8.3.3.1 General . 190
8.3.3.2 Messages using 4-bit characters . 190
8.3.3.3 Messages using 8-bit characters . 190
9 Call Control (CC) procedures . 190
9.1 General . 190
9.2 Call Control (CC) states . 193
9.2.1 States at PT . 193
9.2.1.1 State T-00: "NULL" . 193
9.2.1.2 State T-19: "RELEASE PENDING" . 193
9.2.1.3 State T-10: "ACTIVE" . 193
9.2.1.4 State T-01: "CALL INITIATED" . 193
9.2.1.5 State T-02: "OVERLAP SENDING" . 193
9.2.1.6 State T-03: "CALL PROCEEDING" . 193
9.2.1.7 State T-04: "CALL DELIVERED" . 193
9.2.1.8 State T-06: "CALL PRESENT" . 193
9.2.1.9 State T-07: "CALL RECEIVED". 193
9.2.1.10 State T-08: "CONNECT PENDING" . 193
9.2.2 States at FT . 194
9.2.2.1 State F-00: "NULL" . 194
9.2.2.2 State F-19: "RELEASE PENDING" . 194
9.2.2.3 State F-10: "ACTIVE" . 194
9.2.2.4 State F-01: "CALL-INITIATED" . 194
9.2.2.5 State F-02: "OVERLAP SENDING" .
...

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Digital Enhanced Cordless Telecommunications (DECT) - Common Interface (CI) - Part 5: Network (NWK) layer35.100.30Omrežni slojNetwork layer33.070.30'(&7Digital Enhanced Cordless Telecommunications (DECT)ICS:Ta slovenski standard je istoveten z:EN 300 175-5 Version 2.5.1SIST EN 300 175-5 V2.5.1:2013en01-oktober-2013SIST EN 300 175-5 V2.5.1:2013SLOVENSKI
STANDARD
European Standard SIST EN 300 175-5 V2.5.1:2013

ETSI ETSI EN 300 175-5 V2.5.1 (2013-08) 2
Reference REN/DECT-000268-5 Keywords DECT, IMT-2000, mobility, radio, TDD, TDMA ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE
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© European Telecommunications Standards Institute 2013. All rights reserved.
DECTTM, PLUGTESTSTM, UMTSTM and the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members. 3GPPTM and LTE™ are Trade Marks of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. GSM® and the GSM logo are Trade Marks registered and owned by the GSM Association. SIST EN 300 175-5 V2.5.1:2013

ETSI ETSI EN 300 175-5 V2.5.1 (2013-08) 3 Contents Intellectual Property Rights . 16 Foreword . 16 1 Scope . 17 2 References . 18 2.1 Normative references . 18 2.2 Informative references . 22 3 Definitions, symbols and abbreviations . 23 3.1 Definitions . 23 3.2 Symbols and abbreviations . 23 4 Overview of the NWK layer . 27 5 Overview of procedures . 29 5.1 General . 29 5.2 Overview of Call Control (CC) . 29 5.2.1 General . 29 5.2.2 Call establishment . 30 5.2.2.1 Call setup . 30 5.2.2.2 Service negotiation . 30 5.2.3 Call connect . 30 5.2.4 Call information . 31 5.2.5 Service change . 31 5.2.6 Call release. 31 5.3 Overview of Supplementary Services (SS) . 31 5.3.1 General . 31 5.3.2 Keypad protocol . 32 5.3.3 Feature key management protocol . 32 5.3.4 Functional protocol . 32 5.4 Overview of Connection Oriented Message Service (COMS) . 33 5.4.1 General . 33 5.4.2 COMS establishment . 33 5.4.3 Service negotiation . 33 5.4.4 COMS connect . 33 5.4.5 COMS data transfer . 33 5.4.6 COMS suspend and resume . 34 5.4.7 COMS release . 34 5.5 Overview of ConnectionLess Message Service (CLMS) . 34 5.5.1 Fixed length message service. 34 5.5.2 Variable length message service . 34 5.6 Overview of Mobility Management (MM) . 35 5.6.1 General . 35 5.6.2 Identity procedures . 35 5.6.3 Authentication procedures . 35 5.6.4 Location procedures . 36 5.6.5 Access rights procedures . 36 5.6.6 Key allocation procedure . 37 5.6.7 Parameter retrieval procedure . 37 5.6.8 Ciphering related procedure . 37 5.6.9 External protocol information procedure . 37 5.7 Overview of Link Control Entity (LCE) . 37 5.7.1 General . 37 5.7.2 Data Link Endpoint Identifier (DLEI) . 38 5.7.3 Data link establishment . 38 5.7.4 Data link re-establishment . 38 5.7.5 Data link release . 39 SIST EN 300 175-5 V2.5.1:2013

ETSI ETSI EN 300 175-5 V2.5.1 (2013-08) 4 5.7.6 Data link suspend and resume. 39 5.7.7 Queuing of messages . 39 5.7.8 Request paging . 39 6 Message functional definitions . 40 6.1 Overview of message structures . 40 6.1.1 Messages . 40 6.1.2 Information elements . 40 6.2 Message summaries . 41 6.2.1 Summary of CC messages . 41 6.2.2 Summary of CISS messages . 41 6.2.3 Summary of COMS messages . 42 6.2.4 Summary of CLMS messages . 42 6.2.5 Summary of MM messages . 43 6.2.6 Summary of LCE messages . 43 6.3 S-FORMAT message functional contents . 44 6.3.1 S-FORMAT message overview . 44 6.3.2 CC-messages. 44 6.3.2.1 {CC-SETUP} . 44 6.3.2.2 {CC-INFO} . 46 6.3.2.3 {CC-SETUP-ACK} . 47 6.3.2.4 {CC-CALL-PROC} . 48 6.3.2.5 {CC-ALERTING} . 49 6.3.2.6 {CC-CONNECT} . 50 6.3.2.7 {CC-CONNECT-ACK} . 51 6.3.2.8 {CC-RELEASE} . 51 6.3.2.9 {CC-RELEASE-COM} . 53 6.3.2.10 {CC-SERVICE-CHANGE} . 54 6.3.2.11 {CC-SERVICE-ACCEPT} . 55 6.3.2.12 {CC-SERVICE-REJECT} . 55 6.3.2.13 {CC-NOTIFY}. 56 6.3.2.14 {IWU-INFO} . 56 6.3.3 SS-messages (call related and call independent) . 57 6.3.3.1 {FACILITY} . 57 6.3.3.2 {HOLD} . 58 6.3.3.3 {HOLD-ACK} . 58 6.3.3.4 {HOLD-REJECT} . 59 6.3.3.5 {RETRIEVE} . 59 6.3.3.6 {RETRIEVE-ACK} . 60 6.3.3.7 {RETRIEVE-REJECT} . 60 6.3.3.8 {CISS-REGISTER} . 61 6.3.3.9 {CISS-RELEASE-COM} . 62 6.3.4 COMS-messages . 62 6.3.4.1 {COMS-SETUP} . 62 6.3.4.2 {COMS-INFO} . 63 6.3.4.3 {COMS-ACK} . 64 6.3.4.4 {COMS-CONNECT} . 64 6.3.4.5 {COMS-RELEASE} . 65 6.3.4.6 {COMS-RELEASE-COM} . 65 6.3.4.7 {COMS-NOTIFY}. 66 6.3.5 CLMS-message . 66 6.3.5.1 {CLMS-VARIABLE} . 66 6.3.6 MM-messages . 67 6.3.6.1 {ACCESS-RIGHTS-ACCEPT} . 67 6.3.6.2 {ACCESS-RIGHTS-REJECT} . 67 6.3.6.3 {ACCESS-RIGHTS-REQUEST} . 68 6.3.6.4 {ACCESS-RIGHTS-TERMINATE-ACCEPT} . 68 6.3.6.5 {ACCESS-RIGHTS-TERMINATE-REJECT} . 69 6.3.6.6 {ACCESS-RIGHTS-TERMINATE-REQUEST} . 69 6.3.6.7 {AUTHENTICATION-REJECT} . 70 6.3.6.8 {AUTHENTICATION-REPLY} . 71 6.3.6.9 {AUTHENTICATION-REQUEST} . 72 SIST EN 300 175-5 V2.5.1:2013

ETSI ETSI EN 300 175-5 V2.5.1 (2013-08) 5 6.3.6.10 {CIPHER-REJECT} . 72 6.3.6.11 {CIPHER-REQUEST} . 73 6.3.6.12 {CIPHER-SUGGEST} . 73 6.3.6.13 {DETACH} . 73 6.3.6.14 {IDENTITY-REPLY} . 74 6.3.6.15 {IDENTITY-REQUEST} . 75 6.3.6.16 {KEY-ALLOCATE} . 75 6.3.6.17 {LOCATE-ACCEPT} . 76 6.3.6.18 {LOCATE-REJECT} . 76 6.3.6.19 {LOCATE-REQUEST} . 77 6.3.6.20 {MM-INFO-ACCEPT} . 78 6.3.6.21 {MM-INFO-REJECT} . 78 6.3.6.22 {MM-INFO-REQUEST} . 79 6.3.6.23 {MM-INFO-SUGGEST} . 80 6.3.6.24 {TEMPORARY-IDENTITY-ASSIGN} . 80 6.3.6.25 {TEMPORARY-IDENTITY-ASSIGN-ACK} . 81 6.3.6.26 {TEMPORARY-IDENTITY-ASSIGN-REJ} . 81 6.3.6.27 {MM-IWU} . 82 6.3.6.28 {MM-NOTIFY} . 82 6.3.7 LCE-messages . 83 6.3.7.1 {LCE-PAGE-RESPONSE} . 83 6.3.7.2 {LCE-PAGE-REJECT} . 83 6.4 B-FORMAT message functional contents . 84 6.4.1 B-FORMAT message overview . 84 6.4.2 {LCE-REQUEST-PAGE} . 84 6.4.3 {CLMS-FIXED}. 85 7 S-FORMAT message structures . 85 7.1 Overview . 85 7.2 Protocol Discrimination (PD) element . 86 7.3 Transaction Identifier (TI) element . 86 7.4 Message type element . 87 7.4.1 Messages for CC . 88 7.4.2 Messages for SS . 88 7.4.3 Messages for COMS . 88 7.4.4 Messages for CLMS . 89 7.4.5 Messages for MM . 89 7.4.6 Messages for LCE . 89 7.5 Other information elements . 90 7.5.1 Coding rules . 90 7.5.2 Extensions of codesets . 92 7.5.3 Locking shift procedure . 92 7.5.4 Non-locking shift procedure . 93 7.5.5 Display and keypad elements. 93 7.5.6 Repeated elements . 93 7.6 Fixed length information elements . 94 7.6.1 Summary . 94 7.6.2 Sending complete, delimiter request and use TPUI . 94 7.6.3 Repeat indicator . 95 7.6.4 Basic service . 95 7.6.5 Single display. 96 7.6.6 Single keypad . 96 7.6.7 Release reason . 97 7.6.8 Signal . 98 7.6.9 Timer restart. 99 7.6.10 Test hook control . 99 7.7 Variable length information elements . 99 7.7.1 Summary . 99 7.7.2 Allocation type . 101 7.7.3 Alphanumeric . 101 7.7.4 Auth type . 103 7.7.5 Call attributes . 104 SIST EN 300 175-5 V2.5.1:2013

ETSI ETSI EN 300 175-5 V2.5.1 (2013-08) 6 7.7.6 Call identity . 108 7.7.7 Called party number. 109 7.7.8 Called party subaddress . 110 7.7.9 Calling party number . 110 7.7.10 Cipher info . 111 7.7.11 Connection attributes . 112 7.7.12 Connection identity . 116 7.7.13 Duration . 117 7.7.14 End-to-end compatibility . 118 7.7.15 Facility . 121 7.7.16 Feature activate . 121 7.7.17 Feature indicate . 123 7.7.18 Fixed identity . 125 7.7.19 Identity type . 126 7.7.20 Info type . 127 7.7.21 InterWorking Unit (IWU) attributes . 128 7.7.22 IWU packet . 133 7.7.23 IWU to IWU . 134 7.7.24 Key. 136 7.7.25 Location area . 136 7.7.26 Multi-display. 137 7.7.27 Multi-keypad. 138 7.7.28 NetWorK (NWK) assigned identity . 138 7.7.29 Network parameter . 139 7.7.30 Portable identity . 141 7.7.31 Progress indicator . 145 7.7.32 RAND . 146 7.7.33 Rate parameters . 146 7.7.34 Reject reason . 147 7.7.35 RES . 148 7.7.36 RS . 149 7.7.37 Segmented info . 149 7.7.38 Service change info . 150 7.7.39 Service class. 151 7.7.40 Setup capability . 152 7.7.41 Terminal capability . 153 7.7.42 Transit delay . 159 7.7.43 Window size . 160 7.7.44 ZAP field . 160 7.7.45 Escape to proprietary . 161 7.7.46 Model identifier . 161 7.7.47 MMS Generic Header . 162 7.7.48 MMS Object Header . 162 7.7.49 MMS Extended header . 163 7.7.50 Time-Date . 163 7.7.51 Ext h/o indicator . 165 7.7.52 Called party Name . 165 7.7.53 Calling party Name . 166 7.7.54 Codec List . 167 7.7.55 Events notification . 168 7.7.55.1 General structure . 168 7.7.55.2 Event types . 170 7.7.56 Call information . 174 7.7.57 List change details . 177 7.7.58 ULE MAC Configuration Info. 179 8 B-FORMAT message structures . 180 8.1 General . 180 8.2 LCE request paging messages . 180 8.2.1 Short format message. 180 8.2.2 Full format message . 182 8.2.3 Long format message . 183 SIST EN 300 175-5 V2.5.1:2013

ETSI ETSI EN 300 175-5 V2.5.1 (2013-08) 7 8.2.4 Message elements . 183 8.2.4.1 LCE paging header . 183 8.2.4.2 Info fields (Full format) . 185 8.2.4.3 Default setup behaviour . 186 8.2.4.4 Address elements in collective or group ringing . 187 8.3 CLMS-FIXED messages . 187 8.3.1 General message structure . 187 8.3.2 Message elements . 188 8.3.3 Standard message structures . 190 8.3.3.1 General . 190 8.3.3.2 Messages using 4-bit characters . 190 8.3.3.3 Messages using 8-bit characters . 190 9 Call Control (CC) procedures . 190 9.1 General . 190 9.2 Call Control (CC) states . 193 9.2.1 States at PT . 193 9.2.1.1 State T-00: "NULL" . 193 9.2.1.2 State T-19: "RELEASE PENDING" . 193 9.2.1.3 State T-10: "ACTIVE" . 193 9.2.1.4 State T-01: "CALL INITIATED" . 193 9.2.1.5 State T-02: "OVERLAP SENDING" . 193 9.2.1.6 State T-03: "CALL PROCEEDING" . 193 9.2.1.7 State T-04: "CALL DELIVERED" . 193 9.2.1.8 State T-06: "CALL PRESENT" . 193 9.2.1.9 State T-07: "CALL RECEIVED". 193 9.2.1.10 State T-08: "CONNECT PENDING" . 193 9.2.2 States at FT . 194 9.2.2.1 State F-00: "NULL" . 194 9.2.2.2 State F-19: "RELEASE PENDING" . 194 9.2.2.3 State F-10: "ACTIVE" . 194 9.2.2.4 State F-01: "CALL-INITIATED" . 194 9.2.2.5 State F-02: "OVERLAP SENDING" .
...