SIST EN 300 175-5 V2.2.1:2009

• Abstract:

  The present document is one of the parts of the specification of the Digital Enhanced Cordless Telecommunications (DECT) Common Interface (CI). This part of the DECT CI 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 ITU-T Recommendations 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
• Publication Date: 20-Nov-2008
• 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: 14-Nov-2008
• Due Date: 19-Jan-2009
• Completion Date: 21-Nov-2008
• Ref Project: ETSI EN 300 175-5 V2.2.1 (2008-11) - Digital Enhanced Cordless Telecommunications (DECT); Common Interface (CI); Part 5: Network (NWK) layer

SIST EN 300 175-5 V2.2.1:2009 is the Slovenian adoption of ETSI EN 300 175-5 V2.2.1 for Digital Enhanced Cordless Telecommunications (DECT) Common Interface (CI). It specifies the DECT Network (NWK) layer, which is layer 3 of the DECT protocol stack, and focuses on the control plane used for signaling, procedures and message coding.

What does SIST EN 300 175-5 V2.2.1:2009 specify?

SIST EN 300 175-5 V2.2.1:2009 specifies the DECT NWK layer in the CI family. It covers the C-plane only, so it is the part a designer uses for call control, mobility, paging and message exchange rather than user payload transport.

Clause 1 sets the scope and places the NWK layer in the DECT stack. Clause 4 gives the overall NWK view, Clause 5 summarizes the procedures, Clause 6 defines message functions, Clause 7 defines S-FORMAT message structures and information elements, and Clause 8 defines B-FORMAT paging messages.

The standard groups NWK procedures into:

• Call Control (CC)
• Supplementary Services (SS)
• Connection Oriented Message Service (COMS)
• ConnectionLess Message Service (CLMS)
• Mobility Management (MM)
• Link Control Entity (LCE)

What are the key requirements of SIST EN 300 175-5 V2.2.1:2009?

The document’s main technical content is the signaling model, message coding rules and procedure families that DECT equipment must interpret consistently.

C-plane only

SIST EN 300 175-5 V2.2.1:2009 specifies the C-plane of the NWK layer and gives no U-plane procedure definitions in this part. In practice, implementers use it for control signaling, while user data handling is covered elsewhere in the DECT specification family.

Procedure families and their role

Clause 5 summarizes the procedure sets for CC, SS, COMS, CLMS, MM and LCE. This matters because each family covers a different operational task - for example CC for call setup and release, MM for identity and authentication, and LCE for paging and data-link handling.

Message definition and coding

Clause 6 defines message functions and groups them by service, including CC, CISS, COMS, CLMS, MM and LCE. Clause 7 then defines S-FORMAT message structures, including Protocol Discrimination (PD), Transaction Identifier (TI), message type, and the information elements carried in each message. In practice, this is the part you use to build or decode DECT signaling frames.

Information-element rules

Clause 7 explains fixed-length and variable-length information elements, including coding rules, extension bits, repeated elements and segmented information. This is important for interoperability because a receiver must interpret the same element boundaries and field order as the sender.

Call control and supplementary services

The CC message set includes setup, alerting, connect, release and service-change related messages. SS uses message forms such as FACILITY, HOLD and RETRIEVE. This is the signaling used to establish calls, modify them during use, and invoke supplementary services.

Mobility management and security-related procedures

MM covers identity procedures, authentication, location procedures, access rights, key allocation, parameter retrieval, ciphering-related procedures and external protocol information. For operators and manufacturers, this is the signaling needed to recognize a portable part, grant access, and manage authentication and cipher-related state.

Paging and link control

Clause 8 defines B-FORMAT messages for LCE request paging, including short, full and long formats. This matters for call delivery and access behavior, because the portable part uses the paging format and default setup behavior to decide how to respond.

What terms does SIST EN 300 175-5 V2.2.1:2009 define?

• DECT - Digital Enhanced Cordless Telecommunications, the cordless radio system family that this part of the CI specification supports.
• NWK layer - The Network layer, described here as layer 3 of the DECT protocol stack.
• C-plane - The control plane that carries internal signaling information.
• U-plane - The user plane; this part states that it is null for NWK services.
• COMS - Connection Oriented Message Service, the NWK procedure family for connection-based message transfer.
• MM - Mobility Management, the procedure family for identities, authentication, location and access rights.
• LCE - Link Control Entity, the procedure family used for paging and data-link control.

Who uses SIST EN 300 175-5 V2.2.1:2009?

SIST EN 300 175-5 V2.2.1:2009 is used by DECT equipment manufacturers, protocol implementers, test engineers, and interoperability labs. It is also relevant to quality managers and buyers who need to verify that a DECT product follows the expected NWK signaling behavior.

It is used when designing cordless base stations and portable parts, checking call control and mobility procedures, coding and decoding DECT messages, and validating interworking and profile behavior in New Generation DECT implementations.

Which standards are used with SIST EN 300 175-5 V2.2.1:2009?

• ITU-T X.200 and X.210 - provide the layered-model principles and terminology used by the document.
• EN 300 403-1 - provides the coding principles for variable-length information elements.
• EN 300 196-1 - provides the supplementary-services component coding referenced by FACILITY.
• EN 300 175-3, EN 300 175-4 and EN 300 175-6 - provide related DECT physical, DLC/U-plane, and identity/addressing details used by this part.
• EN 300 133, EN 300 700, EN 300 757, EN 300 765-1 and EN 300 765-2 - contribute character coding, WRS, LRMS and RAP-related profile material.
• EN 301 649, TS 101 863, TS 102 342, TS 102 379, TS 102 527-1 and TS 102 527-3 - support New Generation DECT, interworking and profile/application indicators.
• ITU-T, ISO/IEC, RFC and GSM references named in specific information elements - define character sets, identities and protocol codings such as T.50, V.110, X.30, X.121, Q.921, Q.931, V.120, V.42, E.164, E.163, I.460, X.263, ISO/IEC 646, 2022, 8208, 8348 and 8802-2.

What does the SIST EN 300 175-5 V2.2.1:2009 document contain?

The document contains clause-by-clause procedure overviews, message summaries and detailed coding definitions. It includes tables for CC, SS, COMS, CLMS, MM and LCE message types, plus the structures of S-FORMAT and B-FORMAT messages.

It also provides detailed information-element definitions for items such as CALL-ATTRIBUTES, CONNECTION-ATTRIBUTES, IWU-ATTRIBUTES, TERMINAL-CAPABILITY, WINDOW-SIZE, CODEC-LIST and EVENTS-NOTIFICATION. These sections are used for implementation, conformance testing and interoperability analysis.

The figures show the message identifier layout, single- and double-octet information elements, variable-length element format, and paging message layouts. The standard therefore serves as the coding and procedure reference for DECT NWK signaling, not as a product brochure or user guide.

Final draft ETSI EN 300 175-5 V2.2.0 (2008-06)
European Standard (Telecommunications series)

Digital Enhanced Cordless Telecommunications (DECT);
Common Interface (CI);
Part 5: Network (NWK) layer
2 Final draft ETSI EN 300 175-5 V2.2.0 (2008-06)

Reference
REN/DECT-000248-5
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 2008.
All rights reserved.
TM TM TM TM
DECT , PLUGTESTS , UMTS , TIPHON , the TIPHON logo and the ETSI logo are Trade Marks of ETSI registered
for the benefit of its Members.
TM
3GPP is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners.
ETSI
3 Final draft ETSI EN 300 175-5 V2.2.0 (2008-06)
Contents
Intellectual Property Rights.15
Foreword.15
1 Scope.16
2 References.16
2.1 Normative references.17
2.2 Informative references.21
3 Definitions, symbols and abbreviations .21
3.1 Definitions.21
3.2 Symbols and abbreviations.22
4 Overview of the NWK layer .25
5 Overview of procedures .27
5.1 General.27
5.2 Overview of Call Control (CC) .27
5.2.1 General.27
5.2.2 Call establishment.27
5.2.2.1 Call setup.27
5.2.2.2 Service negotiation.28
5.2.3 Call connect.28
5.2.4 Call information.28
5.2.5 Service change.29
5.2.6 Call release.29
5.3 Overview of Supplementary Services (SS) .29
5.3.1 General.29
5.3.2 Keypad protocol.30
5.3.3 Feature key management protocol.30
5.3.4 Functional protocol.30
5.4 Overview of Connection Oriented Message Service (COMS).30
5.4.1 General.30
5.4.2 COMS establishment.31
5.4.3 Service negotiation .31
5.4.4 COMS connect.31
5.4.5 COMS data transfer .31
5.4.6 COMS suspend and resume.31
5.4.7 COMS release.32
5.5 Overview of ConnectionLess Message Service (CLMS).32
5.5.1 Fixed length message service.32
5.5.2 Variable length message service.32
5.6 Overview of Mobility Management (MM) .32
5.6.1 General.32
5.6.2 Identity procedures.33
5.6.3 Authentication procedures.33
5.6.4 Location procedures.34
5.6.5 Access rights procedures .34
5.6.6 Key allocation procedure .34
5.6.7 Parameter retrieval procedure.34
5.6.8 Ciphering related procedure.35
5.6.9 External protocol information procedure.35
5.7 Overview of Link Control Entity (LCE) .35
5.7.1 General.35
5.7.2 Data Link Endpoint Identifier (DLEI) .35
5.7.3 Data link establishment.36
5.7.4 Data link re-establishment .36
5.7.5 Data link release .36
ETSI
4 Final draft ETSI EN 300 175-5 V2.2.0 (2008-06)
5.7.6 Data link suspend and resume.36
5.7.7 Queuing of messages.37
5.7.8 Request paging.37
6 Message functional definitions.37
6.1 Overview of message structures.37
6.1.1 Messages.37
6.1.2 Information elements.38
6.2 Message summaries.38
6.2.1 Summary of CC messages .38
6.2.2 Summary of CISS messages .39
6.2.3 Summary of COMS messages .39
6.2.4 Summary of CLMS messages.39
6.2.5 Summary of MM messages .40
6.2.6 Summary of LCE messages.40
6.3 S-FORMAT message functional contents.41
6.3.1 S-FORMAT message overview.41
6.3.2 CC-messages.41
6.3.2.1 {CC-SETUP}.41
6.3.2.2 {CC-INFO}.43
6.3.2.3 {CC-SETUP-ACK}.44
6.3.2.4 {CC-CALL-PROC} .45
6.3.2.5 {CC-ALERTING}.46
6.3.2.6 {CC-CONNECT}.47
6.3.2.7 {CC-CONNECT-ACK}.48
6.3.2.8 {CC-RELEASE}.48
6.3.2.9 {CC-RELEASE-COM}.49
6.3.2.10 {CC-SERVICE-CHANGE}.50
6.3.2.11 {CC-SERVICE-ACCEPT}.51
6.3.2.12 {CC-SERVICE-REJECT}.51
6.3.2.13 {CC-NOTIFY}.52
6.3.2.14 {IWU-INFO}.52
6.3.3 SS-messages (call related and call independent) .53
6.3.3.1 {FACILITY}.53
6.3.3.2 {HOLD}.53
6.3.3.3 {HOLD-ACK}.54
6.3.3.4 {HOLD-REJECT}.54
6.3.3.5 {RETRIEVE}.54
6.3.3.6 {RETRIEVE-ACK}.55
6.3.3.7 {RETRIEVE-REJECT}.55
6.3.3.8 {CISS-REGISTER}.56
6.3.3.9 {CISS-RELEASE-COM}.56
6.3.4 COMS-messages.57
6.3.4.1 {COMS-SETUP}.57
6.3.4.2 {COMS-INFO}.57
6.3.4.3 {COMS-ACK}.58
6.3.4.4 {COMS-CONNECT}.58
6.3.4.5 {COMS-RELEASE}.59
6.3.4.6 {COMS-RELEASE-COM}.59
6.3.4.7 {COMS-NOTIFY}.60
6.3.5 CLMS-message.60
6.3.5.1 {CLMS-VARIABLE}.60
6.3.6 MM-messages.61
6.3.6.1 {ACCESS-RIGHTS-ACCEPT}.61
6.3.6.2 {ACCESS-RIGHTS-REJECT}.61
6.3.6.3 {ACCESS-RIGHTS-REQUEST}.62
6.3.6.4 {ACCESS-RIGHTS-TERMINATE-ACCEPT}.62
6.3.6.5 {ACCESS-RIGHTS-TERMINATE-REJECT}.63
6.3.6.6 {ACCESS-RIGHTS-TERMINATE-REQUEST}.63
6.3.6.7 {AUTHENTICATION-REJECT}.64
6.3.6.8 {AUTHENTICATION-REPLY}.64
6.3.6.9 {AUTHENTICATION-REQUEST}.65
ETSI
5 Final draft ETSI EN 300 175-5 V2.2.0 (2008-06)
6.3.6.10 {CIPHER-REJECT}.65
6.3.6.11 {CIPHER-REQUEST}.66
6.3.6.12 {CIPHER-SUGGEST}.66
6.3.6.13 {DETACH}.66
6.3.6.14 {IDENTITY-REPLY}.67
6.3.6.15 {IDENTITY-REQUEST}.68
6.3.6.16 {KEY-ALLOCATE}.68
6.3.6.17 {LOCATE-ACCEPT} .69
6.3.6.18 {LOCATE-REJECT}.69
6.3.6.19 {LOCATE-REQUEST}.70
6.3.6.20 {MM-INFO-ACCEPT}.71
6.3.6.21 {MM-INFO-REJECT}.71
6.3.6.22 {MM-INFO-REQUEST}.72
6.3.6.23 {MM-INFO-SUGGEST}.73
6.3.6.24 {TEMPORARY-IDENTITY-ASSIGN}.73
6.3.6.25 {TEMPORARY-IDENTITY-ASSIGN-ACK}.74
6.3.6.26 {TEMPORARY-IDENTITY-ASSIGN-REJ}.74
6.3.6.27 {MM-IWU}.75
6.3.6.28 {MM-NOTIFY}.75
6.3.7 LCE-messages.76
6.3.7.1 {LCE-PAGE-RESPONSE}.76
6.3.7.2 {LCE-PAGE-REJECT}.76
6.4 B-FORMAT message functional contents .77
6.4.1 B-FORMAT message overview .77
6.4.2 {LCE-REQUEST-PAGE}.77
6.4.3 {CLMS-FIXED}.78
7 S-FORMAT message structures.78
7.1 Overview.78
7.2 Protocol Discrimination (PD) element .79
7.3 Transaction Identifier (TI) element .79
7.4 Message type element .80
7.4.1 Messages for CC.81
7.4.2 Messages for SS.81
7.4.3 Messages for COMS.81
7.4.4 Messages for CLMS.82
7.4.5 Messages for MM.82
7.4.6 Messages for LCE.82
7.5 Other information elements.83
7.5.1 Coding rules.83
7.5.2 Extensions of codesets .85
7.5.3 Locking shift procedure.85
7.5.4 Non-locking shift procedure.86
7.5.5 Display and keypad elements.86
7.5.6 Repeated elements.86
7.6 Fixed length information elements.87
7.6.1 Summary.87
7.6.2 Sending complete, delimiter request and use TPUI.87
7.6.3 Repeat indicator.88
7.6.4 Basic service.88
7.6.5 Single display.89
7.6.6 Single keypad.89
7.6.7 Release reason.89
7.6.8 Signal.90
7.6.9 Timer restart.91
7.6.10 Test hook control .92
7.7 Variable length information elements .92
7.7.1 Summary.92
7.7.2 Allocation type.94
7.7.3 Alphanumeric.94
7.7.4 Auth type.95
7.7.5 Call attributes.97
ETSI
6 Final draft ETSI EN 300 175-5 V2.2.0 (2008-06)
7.7.6 Call identity.99
7.7.7 Called party number.99
7.7.8 Called party subaddress .100
7.7.9 Calling party number.101
7.7.10 Cipher info.102
7.7.11 Connection attributes.103
7.7.12 Connection identity.106
7.7.13 Duration.107
7.7.14 End-to-end compatibility.108
7.7.15 Facility.111
7.7.16 Feature activate.112
7.7.17 Feature indicate.114
7.7.18 Fixed identity.116
7.7.19 Identity type.117
7.7.20 Info type.118
7.7.21 InterWorking Unit (IWU) attributes .119
7.7.22 IWU packet.123
7.7.23 IWU to IWU .124
7.7.24 Key.126
7.7.25 Location area.127
7.7.26 Multi-display.128
7.7.27 Multi-keypad.128
7.7.28 NetWorK (NWK) assigned identity.128
7.7.29 Network parameter.129
7.7.30 Portable identity.131
7.7.31 Progress indicator.135
7.7.32 RAND.135
7.7.33 Rate parameters.136
7.7.34 Reject reason.137
7.7.35 RES.138
7.7.36 RS.139
7.7.37 Segmented info.139
7.7.38 Service change info.140
7.7.39 Service class.141
7.7.40 Setup capability.142
7.7.41 Terminal capability.143
7.7.42 Transit delay.148
7.7.43 Window size.149
7.7.44 ZAP field.149
7.7.45 Escape to proprietary .150
7.7.46 Model identifier.150
7.7.47 MMS Generic Header.151
7.7.48 MMS Object Header.151
7.7.49 MMS Extended header .152
7.7.50 Time-Date.152
7.7.51 Ext h/o indicator .154
7.7.52 Authentication Reject Parameter.154
7.7.53 Calling party Name.155
7.7.54 Codec List.155
7.7.55 Events notification.157
7.7.56 Call information.158
8 B-FORMAT message structures .160
8.1 General.160
8.2 LCE request paging messages .160
8.2.1 Short format message.160
8.2.2 Full format message.162
8.2.3 Long format message.163
8.2.4 Message elements.163
8.2.4.1 LCE paging header.163
8.2.4.2 Info fields (Full format) .165
8.2.4.3 Default setup behaviour .166
ETSI
7 Final draft ETSI EN 300 175-5 V2.2.0 (2008-06)
8.2.4.4 Address elements in collective or group ringing.167
8.3 CLMS-FIXED messages.167
8.3.1 General message structure.167
8.3.2 Message elements.168
8.3.3 Standard message structures .170
8.3.3.1 General.170
8.3.3.2 Messages using 4-bit characters.170
8.3.3.3 Messages using 8-bit characters.170
9 Call Control (CC) procedures.170
9.1 General.170
9.2 Call Control (CC) states .173
9.2.1 States at PT .173
9.2.1.1 State T-00: "NULL".173
9.2.1.2 State T-19: "RELEASE PENDING".173
9.2.1.3 State T-10: "ACTIVE".173
9.2.1.4 State T-01: "CALL INITIATED" .173
9.2.1.5 State T-02: "OVERLAP SENDING".173
9.2.1.6 State T-03: "CALL PROCEEDING" .173
9.2.1.7 State T-04: "CALL DELIVERED".173
9.2.1.8 State T-06: "CALL PRESENT".173
9.2.1.9 State T-07: "CALL RECEIVED".173
9.2.1.10 State T-08: "CONNECT PENDING" .173
9.2.2 States at FT .174
9.2.2.1 State F-00: "NULL" .174
9.2.2.2 State F-19: "RELEASE PENDING".174
9.2.2.3 State F-10: "ACTIVE" .174
9.2.2.4 State F-01: "CALL-INITIATED" .174
9.2.2.5 State F-02: "OVERLAP SENDING".174
9.2.2.6 State F-03: "CALL PROCEEDING" .174
9.2.2.7 State F-04: "CALL DELIVERED" .174
9.2.2.8 State F-06: "CALL PRESENT" .174
9.2.2.9 State F-07: "CALL RECEIVED".174
9.2.3 Optional states (PT and FT).175
9.2.3.1 States T-22 and F-22: "OVERLAP RECEIVING" .175
9.2.3.2 States T-23 and F-23: "INCOMING CALL PROCEEDING".175
9.3 Call establishment procedures.
...

European Standard (Telecommunications series)

Digital Enhanced Cordless Telecommunications (DECT);
Common Interface (CI);
Part 5: Network (NWK) layer
2 ETSI EN 300 175-5 V2.2.1 (2008-11)

Reference
REN/DECT-000248-5
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 2008.
All rights reserved.
TM TM TM TM
DECT , PLUGTESTS , UMTS , TIPHON , the TIPHON logo and the ETSI logo are Trade Marks of ETSI registered
for the benefit of its Members.
TM
3GPP is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners.
ETSI
3 ETSI EN 300 175-5 V2.2.1 (2008-11)
Contents
Intellectual Property Rights.15
Foreword.15
1 Scope.16
2 References.16
2.1 Normative references.17
2.2 Informative references.21
3 Definitions, symbols and abbreviations .21
3.1 Definitions.21
3.2 Symbols and abbreviations.22
4 Overview of the NWK layer .25
5 Overview of procedures .27
5.1 General.27
5.2 Overview of Call Control (CC) .27
5.2.1 General.27
5.2.2 Call establishment.27
5.2.2.1 Call setup.27
5.2.2.2 Service negotiation.28
5.2.3 Call connect.28
5.2.4 Call information.28
5.2.5 Service change.29
5.2.6 Call release.29
5.3 Overview of Supplementary Services (SS) .29
5.3.1 General.29
5.3.2 Keypad protocol.30
5.3.3 Feature key management protocol.30
5.3.4 Functional protocol.30
5.4 Overview of Connection Oriented Message Service (COMS).30
5.4.1 General.30
5.4.2 COMS establishment.31
5.4.3 Service negotiation .31
5.4.4 COMS connect.31
5.4.5 COMS data transfer .31
5.4.6 COMS suspend and resume.31
5.4.7 COMS release.32
5.5 Overview of ConnectionLess Message Service (CLMS).32
5.5.1 Fixed length message service.32
5.5.2 Variable length message service.32
5.6 Overview of Mobility Management (MM) .32
5.6.1 General.32
5.6.2 Identity procedures.33
5.6.3 Authentication procedures.33
5.6.4 Location procedures.34
5.6.5 Access rights procedures .34
5.6.6 Key allocation procedure .34
5.6.7 Parameter retrieval procedure.34
5.6.8 Ciphering related procedure.35
5.6.9 External protocol information procedure.35
5.7 Overview of Link Control Entity (LCE) .35
5.7.1 General.35
5.7.2 Data Link Endpoint Identifier (DLEI) .35
5.7.3 Data link establishment.36
5.7.4 Data link re-establishment .36
5.7.5 Data link release .36
ETSI
4 ETSI EN 300 175-5 V2.2.1 (2008-11)
5.7.6 Data link suspend and resume.36
5.7.7 Queuing of messages.37
5.7.8 Request paging.37
6 Message functional definitions.37
6.1 Overview of message structures.37
6.1.1 Messages.37
6.1.2 Information elements.38
6.2 Message summaries.38
6.2.1 Summary of CC messages .38
6.2.2 Summary of CISS messages .39
6.2.3 Summary of COMS messages .39
6.2.4 Summary of CLMS messages.39
6.2.5 Summary of MM messages .40
6.2.6 Summary of LCE messages.40
6.3 S-FORMAT message functional contents.41
6.3.1 S-FORMAT message overview.41
6.3.2 CC-messages.41
6.3.2.1 {CC-SETUP}.41
6.3.2.2 {CC-INFO}.43
6.3.2.3 {CC-SETUP-ACK}.44
6.3.2.4 {CC-CALL-PROC} .45
6.3.2.5 {CC-ALERTING}.46
6.3.2.6 {CC-CONNECT}.47
6.3.2.7 {CC-CONNECT-ACK}.48
6.3.2.8 {CC-RELEASE}.48
6.3.2.9 {CC-RELEASE-COM}.49
6.3.2.10 {CC-SERVICE-CHANGE}.50
6.3.2.11 {CC-SERVICE-ACCEPT}.51
6.3.2.12 {CC-SERVICE-REJECT}.51
6.3.2.13 {CC-NOTIFY}.52
6.3.2.14 {IWU-INFO}.52
6.3.3 SS-messages (call related and call independent) .53
6.3.3.1 {FACILITY}.53
6.3.3.2 {HOLD}.53
6.3.3.3 {HOLD-ACK}.54
6.3.3.4 {HOLD-REJECT}.54
6.3.3.5 {RETRIEVE}.54
6.3.3.6 {RETRIEVE-ACK}.55
6.3.3.7 {RETRIEVE-REJECT}.55
6.3.3.8 {CISS-REGISTER}.56
6.3.3.9 {CISS-RELEASE-COM}.56
6.3.4 COMS-messages.57
6.3.4.1 {COMS-SETUP}.57
6.3.4.2 {COMS-INFO}.57
6.3.4.3 {COMS-ACK}.58
6.3.4.4 {COMS-CONNECT}.58
6.3.4.5 {COMS-RELEASE}.59
6.3.4.6 {COMS-RELEASE-COM}.59
6.3.4.7 {COMS-NOTIFY}.60
6.3.5 CLMS-message.60
6.3.5.1 {CLMS-VARIABLE}.60
6.3.6 MM-messages.61
6.3.6.1 {ACCESS-RIGHTS-ACCEPT}.61
6.3.6.2 {ACCESS-RIGHTS-REJECT}.61
6.3.6.3 {ACCESS-RIGHTS-REQUEST}.62
6.3.6.4 {ACCESS-RIGHTS-TERMINATE-ACCEPT}.62
6.3.6.5 {ACCESS-RIGHTS-TERMINATE-REJECT}.63
6.3.6.6 {ACCESS-RIGHTS-TERMINATE-REQUEST}.63
6.3.6.7 {AUTHENTICATION-REJECT}.64
6.3.6.8 {AUTHENTICATION-REPLY}.64
6.3.6.9 {AUTHENTICATION-REQUEST}.65
ETSI
5 ETSI EN 300 175-5 V2.2.1 (2008-11)
6.3.6.10 {CIPHER-REJECT}.65
6.3.6.11 {CIPHER-REQUEST}.66
6.3.6.12 {CIPHER-SUGGEST}.66
6.3.6.13 {DETACH}.66
6.3.6.14 {IDENTITY-REPLY}.67
6.3.6.15 {IDENTITY-REQUEST}.68
6.3.6.16 {KEY-ALLOCATE}.68
6.3.6.17 {LOCATE-ACCEPT} .69
6.3.6.18 {LOCATE-REJECT}.69
6.3.6.19 {LOCATE-REQUEST}.70
6.3.6.20 {MM-INFO-ACCEPT}.71
6.3.6.21 {MM-INFO-REJECT}.71
6.3.6.22 {MM-INFO-REQUEST}.72
6.3.6.23 {MM-INFO-SUGGEST}.73
6.3.6.24 {TEMPORARY-IDENTITY-ASSIGN}.73
6.3.6.25 {TEMPORARY-IDENTITY-ASSIGN-ACK}.74
6.3.6.26 {TEMPORARY-IDENTITY-ASSIGN-REJ}.74
6.3.6.27 {MM-IWU}.75
6.3.6.28 {MM-NOTIFY}.75
6.3.7 LCE-messages.76
6.3.7.1 {LCE-PAGE-RESPONSE}.76
6.3.7.2 {LCE-PAGE-REJECT}.76
6.4 B-FORMAT message functional contents .77
6.4.1 B-FORMAT message overview .77
6.4.2 {LCE-REQUEST-PAGE}.77
6.4.3 {CLMS-FIXED}.78
7 S-FORMAT message structures.78
7.1 Overview.78
7.2 Protocol Discrimination (PD) element .79
7.3 Transaction Identifier (TI) element .79
7.4 Message type element .80
7.4.1 Messages for CC.81
7.4.2 Messages for SS.81
7.4.3 Messages for COMS.81
7.4.4 Messages for CLMS.82
7.4.5 Messages for MM.82
7.4.6 Messages for LCE.82
7.5 Other information elements.83
7.5.1 Coding rules.83
7.5.2 Extensions of codesets .85
7.5.3 Locking shift procedure.85
7.5.4 Non-locking shift procedure.86
7.5.5 Display and keypad elements.86
7.5.6 Repeated elements.86
7.6 Fixed length information elements.87
7.6.1 Summary.87
7.6.2 Sending complete, delimiter request and use TPUI.87
7.6.3 Repeat indicator.88
7.6.4 Basic service.88
7.6.5 Single display.89
7.6.6 Single keypad.89
7.6.7 Release reason.89
7.6.8 Signal.90
7.6.9 Timer restart.91
7.6.10 Test hook control .92
7.7 Variable length information elements .92
7.7.1 Summary.92
7.7.2 Allocation type.94
7.7.3 Alphanumeric.94
7.7.4 Auth type.95
7.7.5 Call attributes.97
ETSI
6 ETSI EN 300 175-5 V2.2.1 (2008-11)
7.7.6 Call identity.99
7.7.7 Called party number.99
7.7.8 Called party subaddress .100
7.7.9 Calling party number.101
7.7.10 Cipher info.102
7.7.11 Connection attributes.103
7.7.12 Connection identity.106
7.7.13 Duration.107
7.7.14 End-to-end compatibility.108
7.7.15 Facility.111
7.7.16 Feature activate.112
7.7.17 Feature indicate.114
7.7.18 Fixed identity.116
7.7.19 Identity type.117
7.7.20 Info type.118
7.7.21 InterWorking Unit (IWU) attributes .119
7.7.22 IWU packet.123
7.7.23 IWU to IWU .124
7.7.24 Key.126
7.7.25 Location area.127
7.7.26 Multi-display.128
7.7.27 Multi-keypad.128
7.7.28 NetWorK (NWK) assigned identity.128
7.7.29 Network parameter.129
7.7.30 Portable identity.131
7.7.31 Progress indicator.135
7.7.32 RAND.135
7.7.33 Rate parameters.136
7.7.34 Reject reason.137
7.7.35 RES.138
7.7.36 RS.139
7.7.37 Segmented info.139
7.7.38 Service change info.140
7.7.39 Service class.141
7.7.40 Setup capability.142
7.7.41 Terminal capability.143
7.7.42 Transit delay.148
7.7.43 Window size.149
7.7.44 ZAP field.149
7.7.45 Escape to proprietary .150
7.7.46 Model identifier.150
7.7.47 MMS Generic Header.151
7.7.48 MMS Object Header.151
7.7.49 MMS Extended header .152
7.7.50 Time-Date.152
7.7.51 Ext h/o indicator .154
7.7.52 Authentication Reject Parameter.154
7.7.53 Calling party Name.155
7.7.54 Codec List.155
7.7.55 Events notification.157
7.7.56 Call information.158
8 B-FORMAT message structures .160
8.1 General.160
8.2 LCE request paging messages .160
8.2.1 Short format message.160
8.2.2 Full format message.162
8.2.3 Long format message.163
8.2.4 Message elements.163
8.2.4.1 LCE paging header.163
8.2.4.2 Info fields (Full format) .165
8.2.4.3 Default setup behaviour .166
ETSI
7 ETSI EN 300 175-5 V2.2.1 (2008-11)
8.2.4.4 Address elements in collective or group ringing.167
8.3 CLMS-FIXED messages.167
8.3.1 General message structure.167
8.3.2 Message elements.168
8.3.3 Standard message structures .170
8.3.3.1 General.170
8.3.3.2 Messages using 4-bit characters.170
8.3.3.3 Messages using 8-bit characters.170
9 Call Control (CC) procedures.170
9.1 General.170
9.2 Call Control (CC) states .173
9.2.1 States at PT .173
9.2.1.1 State T-00: "NULL".173
9.2.1.2 State T-19: "RELEASE PENDING".173
9.2.1.3 State T-10: "ACTIVE".173
9.2.1.4 State T-01: "CALL INITIATED" .173
9.2.1.5 State T-02: "OVERLAP SENDING".173
9.2.1.6 State T-03: "CALL PROCEEDING" .173
9.2.1.7 State T-04: "CALL DELIVERED".173
9.2.1.8 State T-06: "CALL PRESENT".173
9.2.1.9 State T-07: "CALL RECEIVED".173
9.2.1.10 State T-08: "CONNECT PENDING" .173
9.2.2 States at FT .174
9.2.2.1 State F-00: "NULL" .174
9.2.2.2 State F-19: "RELEASE PENDING".174
9.2.2.3 State F-10: "ACTIVE" .174
9.2.2.4 State F-01: "CALL-INITIATED" .174
9.2.2.5 State F-02: "OVERLAP SENDING".174
9.2.2.6 State F-03: "CALL PROCEEDING" .174
9.2.2.7 State F-04: "CALL DELIVERED" .174
9.2.2.8 State F-06: "CALL PRESENT" .174
9.2.2.9 State F-07: "CALL RECEIVED".174
9.2.3 Optional states (PT and FT).175
9.2.3.1 States T-22 and F-22: "OVERLAP RECEIVING" .175
9.2.3.2 States T-23 and F-23: "INCOMING CALL PROCEEDING".175
9.3 Call establishment procedures.
...

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 2.2.1SIST EN 300 175-5 V2.2.1:2009en01-januar-2009SIST EN 300 175-5 V2.2.1:2009SLOVENSKI
STANDARD
ETSI ETSI EN 300 175-5 V2.2.1 (2008-11) 2
Reference REN/DECT-000248-5 Keywords DECT, IMT-2000, mobility, radio, TDD, TDMA ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE
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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 2008. All rights reserved.
DECTTM, PLUGTESTSTM, UMTSTM, TIPHONTM, the TIPHON logo and the ETSI logo are Trade Marks of ETSI registered for the benefit of its Members. 3GPPTM is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. SIST EN 300 175-5 V2.2.1:2009

ETSI ETSI EN 300 175-5 V2.2.1 (2008-11) 3
Contents Intellectual Property Rights.15 Foreword.15 1 Scope.16 2 References.16 2.1 Normative references.17 2.2 Informative references.21 3 Definitions, symbols and abbreviations.21 3.1 Definitions.21 3.2 Symbols and abbreviations.22 4 Overview of the NWK layer.25 5 Overview of procedures.27 5.1 General.27 5.2 Overview of Call Control (CC).27 5.2.1 General.27 5.2.2 Call establishment.27 5.2.2.1 Call setup.27 5.2.2.2 Service negotiation.28 5.2.3 Call connect.28 5.2.4 Call information.28 5.2.5 Service change.29 5.2.6 Call release.29 5.3 Overview of Supplementary Services (SS).29 5.3.1 General.29 5.3.2 Keypad protocol.30 5.3.3 Feature key management protocol.30 5.3.4 Functional protocol.30 5.4 Overview of Connection Oriented Message Service (COMS).30 5.4.1 General.30 5.4.2 COMS establishment.31 5.4.3 Service negotiation.31 5.4.4 COMS connect.31 5.4.5 COMS data transfer.31 5.4.6 COMS suspend and resume.31 5.4.7 COMS release.32 5.5 Overview of ConnectionLess Message Service (CLMS).32 5.5.1 Fixed length message service.32 5.5.2 Variable length message service.32 5.6 Overview of Mobility Management (MM).32 5.6.1 General.32 5.6.2 Identity procedures.33 5.6.3 Authentication procedures.33 5.6.4 Location procedures.34 5.6.5 Access rights procedures.34 5.6.6 Key allocation procedure.34 5.6.7 Parameter retrieval procedure.34 5.6.8 Ciphering related procedure.35 5.6.9 External protocol information procedure.35 5.7 Overview of Link Control Entity (LCE).35 5.7.1 General.35 5.7.2 Data Link Endpoint Identifier (DLEI).35 5.7.3 Data link establishment.36 5.7.4 Data link re-establishment.36 5.7.5 Data link release.36 SIST EN 300 175-5 V2.2.1:2009

ETSI ETSI EN 300 175-5 V2.2.1 (2008-11) 4
5.7.6 Data link suspend and resume.36 5.7.7 Queuing of messages.37 5.7.8 Request paging.37 6 Message functional definitions.37 6.1 Overview of message structures.37 6.1.1 Messages.37 6.1.2 Information elements.38 6.2 Message summaries.38 6.2.1 Summary of CC messages.38 6.2.2 Summary of CISS messages.39 6.2.3 Summary of COMS messages.39 6.2.4 Summary of CLMS messages.39 6.2.5 Summary of MM messages.40 6.2.6 Summary of LCE messages.40 6.3 S-FORMAT message functional contents.41 6.3.1 S-FORMAT message overview.41 6.3.2 CC-messages.41 6.3.2.1 {CC-SETUP}.41 6.3.2.2 {CC-INFO}.43 6.3.2.3 {CC-SETUP-ACK}.44 6.3.2.4 {CC-CALL-PROC}.45 6.3.2.5 {CC-ALERTING}.46 6.3.2.6 {CC-CONNECT}.47 6.3.2.7 {CC-CONNECT-ACK}.48 6.3.2.8 {CC-RELEASE}.48 6.3.2.9 {CC-RELEASE-COM}.49 6.3.2.10 {CC-SERVICE-CHANGE}.50 6.3.2.11 {CC-SERVICE-ACCEPT}.51 6.3.2.12 {CC-SERVICE-REJECT}.51 6.3.2.13 {CC-NOTIFY}.52 6.3.2.14 {IWU-INFO}.52 6.3.3 SS-messages (call related and call independent).53 6.3.3.1 {FACILITY}.53 6.3.3.2 {HOLD}.53 6.3.3.3 {HOLD-ACK}.54 6.3.3.4 {HOLD-REJECT}.54 6.3.3.5 {RETRIEVE}.54 6.3.3.6 {RETRIEVE-ACK}.55 6.3.3.7 {RETRIEVE-REJECT}.55 6.3.3.8 {CISS-REGISTER}.56 6.3.3.9 {CISS-RELEASE-COM}.56 6.3.4 COMS-messages.57 6.3.4.1 {COMS-SETUP}.57 6.3.4.2 {COMS-INFO}.57 6.3.4.3 {COMS-ACK}.58 6.3.4.4 {COMS-CONNECT}.58 6.3.4.5 {COMS-RELEASE}.59 6.3.4.6 {COMS-RELEASE-COM}.59 6.3.4.7 {COMS-NOTIFY}.60 6.3.5 CLMS-message.60 6.3.5.1 {CLMS-VARIABLE}.60 6.3.6 MM-messages.61 6.3.6.1 {ACCESS-RIGHTS-ACCEPT}.61 6.3.6.2 {ACCESS-RIGHTS-REJECT}.61 6.3.6.3 {ACCESS-RIGHTS-REQUEST}.62 6.3.6.4 {ACCESS-RIGHTS-TERMINATE-ACCEPT}.62 6.3.6.5 {ACCESS-RIGHTS-TERMINATE-REJECT}.63 6.3.6.6 {ACCESS-RIGHTS-TERMINATE-REQUEST}.63 6.3.6.7 {AUTHENTICATION-REJECT}.64 6.3.6.8 {AUTHENTICATION-REPLY}.64 6.3.6.9 {AUTHENTICATION-REQUEST}.65 SIST EN 300 175-5 V2.2.1:2009

ETSI ETSI EN 300 175-5 V2.2.1 (2008-11) 5
6.3.6.10 {CIPHER-REJECT}.65 6.3.6.11 {CIPHER-REQUEST}.66 6.3.6.12 {CIPHER-SUGGEST}.66 6.3.6.13 {DETACH}.66 6.3.6.14 {IDENTITY-REPLY}.67 6.3.6.15 {IDENTITY-REQUEST}.68 6.3.6.16 {KEY-ALLOCATE}.68 6.3.6.17 {LOCATE-ACCEPT}.69 6.3.6.18 {LOCATE-REJECT}.69 6.3.6.19 {LOCATE-REQUEST}.70 6.3.6.20 {MM-INFO-ACCEPT}.71 6.3.6.21 {MM-INFO-REJECT}.71 6.3.6.22 {MM-INFO-REQUEST}.72 6.3.6.23 {MM-INFO-SUGGEST}.73 6.3.6.24 {TEMPORARY-IDENTITY-ASSIGN}.73 6.3.6.25 {TEMPORARY-IDENTITY-ASSIGN-ACK}.74 6.3.6.26 {TEMPORARY-IDENTITY-ASSIGN-REJ}.74 6.3.6.27 {MM-IWU}.75 6.3.6.28 {MM-NOTIFY}.75 6.3.7 LCE-messages.76 6.3.7.1 {LCE-PAGE-RESPONSE}.76 6.3.7.2 {LCE-PAGE-REJECT}.76 6.4 B-FORMAT message functional contents.77 6.4.1 B-FORMAT message overview.77 6.4.2 {LCE-REQUEST-PAGE}.77 6.4.3 {CLMS-FIXED}.78 7 S-FORMAT message structures.78 7.1 Overview.78 7.2 Protocol Discrimination (PD) element.79 7.3 Transaction Identifier (TI) element.79 7.4 Message type element.80 7.4.1 Messages for CC.81 7.4.2 Messages for SS.81 7.4.3 Messages for COMS.81 7.4.4 Messages for CLMS.82 7.4.5 Messages for MM.82 7.4.6 Messages for LCE.82 7.5 Other information elements.83 7.5.1 Coding rules.83 7.5.2 Extensions of codesets.85 7.5.3 Locking shift procedure.85 7.5.4 Non-locking shift procedure.86 7.5.5 Display and keypad elements.86 7.5.6 Repeated elements.86 7.6 Fixed length information elements.87 7.6.1 Summary.87 7.6.2 Sending complete, delimiter request and use TPUI.87 7.6.3 Repeat indicator.88 7.6.4 Basic service.88 7.6.5 Single display.89 7.6.6 Single keypad.89 7.6.7 Release reason.89 7.6.8 Signal.90 7.6.9 Timer restart.91 7.6.10 Test hook control.92 7.7 Variable length information elements.92 7.7.1 Summary.92 7.7.2 Allocation type.94 7.7.3 Alphanumeric.94 7.7.4 Auth type.95 7.7.5 Call attributes.97 SIST EN 300 175-5 V2.2.1:2009

ETSI ETSI EN 300 175-5 V2.2.1 (2008-11) 6
7.7.6 Call identity.99 7.7.7 Called party number.99 7.7.8 Called party subaddress.100 7.7.9 Calling party number.101 7.7.10 Cipher info.102 7.7.11 Connection attributes.103 7.7.12 Connection identity.106 7.7.13 Duration.107 7.7.14 End-to-end compatibility.108 7.7.15 Facility.111 7.7.16 Feature activate.112 7.7.17 Feature indicate.114 7.7.18 Fixed identity.116 7.7.19 Identity type.117 7.7.20 Info type.118 7.7.21 InterWorking Unit (IWU) attributes.119 7.7.22 IWU packet.123 7.7.23 IWU to IWU.124 7.7.24 Key.126 7.7.25 Location area.127 7.7.26 Multi-display.128 7.7.27 Multi-keypad.128 7.7.28 NetWorK (NWK) assigned identity.128 7.7.29 Network parameter.129 7.7.30 Portable identity.131 7.7.31 Progress indicator.135 7.7.32 RAND.135 7.7.33 Rate parameters.136 7.7.34 Reject reason.137 7.7.35 RES.138 7.7.36 RS.139 7.7.37 Segmented info.139 7.7.38 Service change info.140 7.7.39 Service class.141 7.7.40 Setup capability.142 7.7.41 Terminal capability.143 7.7.42 Transit delay.148 7.7.43 Window size.149 7.7.44 ZAP field.149 7.7.45 Escape to proprietary.150 7.7.46 Model identifier.150 7.7.47 MMS Generic Header.151 7.7.48 MMS Object Header.151 7.7.49 MMS Extended header.152 7.7.50 Time-Date.152 7.7.51 Ext h/o indicator.154 7.7.52 Authentication Reject Parameter.154 7.7.53 Calling party Name.155 7.7.54 Codec List.155 7.7.55 Events notification.157 7.7.56 Call information.158 8 B-FORMAT message structures.160 8.1 General.160 8.2 LCE request paging messages.160 8.2.1 Short format message.160 8.2.2 Full format message.162 8.2.3 Long format message.163 8.2.4 Message elements.163 8.2.4.1 LCE paging header.163 8.2.4.2 Info fields (Full format).165 8.2.4.3 Default setup behaviour.166 SIST EN 300 175-5 V2.2.1:2009

ETSI ETSI EN 300 175-5 V2.2.1 (2008-11) 7
8.2.4.4 Address elements in collective or group ringing.167 8.3 CLMS-FIXED messages.167 8.3.1 General message structure.167 8.3.2 Message elements.168 8.3.3 Standard message structures.170 8.3.3.1 General.170 8.3.3.2 Messages using 4-bit characters.170 8.3.3.3 Messages using 8-bit characters.170 9 Call Control (CC) procedures.170 9.1 General.170 9.2 Call Control (CC) states.173 9.2.1 States at PT.173 9.2.1.1 State T-00: "NULL".173 9.2.1.2 State T-19: "RELEASE PENDING".173 9.2.1.3 State T-10: "ACTIVE".173 9.2.1.4 State T-01: "CALL INITIATED".173 9.2.1.5 State T-02: "OVERLAP SENDING".173 9.2.1.6 State T-03: "CALL PROCEEDING".173 9.2.1.7 State T-04: "CALL DELIVERED".173 9.2.1.8 State T-06: "CALL PRESENT".173 9.2.1.9 State T-07: "CALL RECEIVED".173 9.2.1.10 State T-08: "CONNECT PENDING".173 9.2.2 States at FT.174 9.2.2.1 State F-00: "NULL".174 9.2.2.2 State F-19: "RELEASE PENDING".174 9.2.2.3 State F-10: "ACTIVE".174 9.2.2.4 State F-01: "CALL-INITIATED".174 9.2.2.5 State F-02: "OVERLAP SENDING".174 9.2.2.6 State F-03: "CALL PROCEEDING".174 9.2.2.7 State F-04: "CALL DELIVERED".174 9.2.2.8 State F-06: "CALL PRESENT".174 9.2.2.9 State F-07: "CALL RECEIVED".174 9.2.3 Optional states (PT and FT).175 9.2.3.1 States T-22 and F-22: "OVERLAP RECEIVING".175 9.2.3.2 States T-23 and F-23: "INCOMING CALL PROCEEDING".175 9.3 Call establishment procedures.175
...