SIST EN 300 434-1 V1.2.1:2003

• Abstract:

  Implementation of pending changes requests

• Status: Published
• Publication Date: 30-Nov-2003
• ICS: 33.070.30 - Digital Enhanced Cordless Telecommunications (DECT)
• ICS: 33.080 - Integrated Services Digital Network (ISDN)
• Technical Committee: SS EIT - Technical Board for the electrotechnical, information technology and telecommunications fields
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Dec-2003
• Due Date: 01-Dec-2003
• Completion Date: 01-Dec-2003
• Ref Project: ETSI EN 300 434-1 V1.2.1 (2001-10) - Digital Enhanced Cordless Telecommunications (DECT); Integrated Services Digital Network (ISDN); DECT/ISDN interworking for end system configuration; Part 1: Interworking specification

Overview

SIST EN 300 434-1 V1.2.1:2003 is a Slovenian standard that adopts the European telecommunications standard EN 300 434-1. This document defines the interworking specification between Digital Enhanced Cordless Telecommunications (DECT) and Integrated Services Digital Network (ISDN) for end system configuration. As part of the ongoing evolution of European telecommunications infrastructure, this standard addresses pending implementation change requests relevant to DECT/ISDN interworking. It is maintained by the Slovenski inštitut za standardizacijo (SIST) to ensure seamless integration of cordless communications systems with established digital network services.

Key Topics

The document focuses on the essential aspects of integrating DECT and ISDN systems, providing a blueprint for developers and operators seeking interoperability. Its core topics include:

• Reference Configurations and Interfaces:
  Describes the recommended end system reference models and supported interfaces for DECT/ISDN interworking.

• Protocol Architecture:
  Details the protocol model required for mapping DECT and ISDN services and ensuring compatibility across network layers.

• Service Requirements:
  Specifies bearer service, teleservice, and supplementary service requirements necessary for the operation of DECT end systems within ISDN networks.

• Interworking Mappings:
  Outlines functional procedures and message mappings between DECT and ISDN, including call control, information transfer, and supplementary services.

• Error Handling:
  Provides mechanisms to handle errors in interworking scenarios, ensuring robust communication and data integrity.

• ISDN Layer 2 Management:
  Explains management aspects during both connection-oriented and connectionless transactions involving ISDN layers.

• Pending Change Requests:
  Details the implementation of recent updates and corrections to the interworking procedures.

Applications

The practical applications of this standard are fundamental for organizations deploying or maintaining telecommunications infrastructure that requires bridging cordless DECT solutions with ISDN environments. Typical uses include:

• Telecommunication Equipment Manufacturers:
  Implementing standard-compliant DECT/ISDN integration to ensure equipment interoperability in European markets.

• Network Operators:
  Enabling seamless end-user service provisioning across mixed DECT and ISDN domains, ensuring consistent connectivity and service quality.

• Office & Enterprise Installations:
  Facilitating flexible and scalable deployment of cordless devices within institutions still relying on ISDN backbone networks.

• Migration Projects:
  Supporting the transition and co-existence of legacy ISDN installations with modern cordless communication solutions.

By using the technical guidance provided in SIST EN 300 434-1, stakeholders ensure reliable digital network interworking, enhanced service delivery, and compliant implementations.

Related Standards

Implementing DECT/ISDN interworking often involves reference to additional standards and technical documents to guarantee full compatibility and regulatory compliance:

• EN 300 434-2: Interworking specification, part 2
• EN 300 175 series: DECT Common Interface specifications
• ETSI EN 300 403: General aspects of ISDN
• ISO 9646: Standards for OSI conformance testing
• ITU-T Q.931: ISDN user-network interface layer 3 specification for basic call control

These documents form an essential set of references for organizations needing streamlined DECT and ISDN integration, enabling robust and future-proofed telecommunications deployments.

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Keywords: DECT/ISDN interworking, cordless telecommunications, integrated services digital network, end system configuration, telecommunications standards, SIST EN 300 434-1, protocol mapping, European standard, ICS 33.070.30, ICS 33.080, telecommunication equipment interoperability.

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Digital Enhanced Cordless Telecommunications (DECT); Integrated Services Digital Network (ISDN); DECT/ISDN interworking for end system configuration; Part 1: Interworking specification33.080Digitalno omrežje z integriranimi storitvami (ISDN)Integrated Services Digital Network (ISDN)33.070.30'(&7Digital Enhanced Cordless Telecommunications (DECT)ICS:Ta slovenski standard je istoveten z:EN 300 434-1 Version 1.2.1SIST EN 300 434-1 V1.2.1:2003en01-december-2003SIST EN 300 434-1 V1.2.1:2003SLOVENSKI
STANDARD
ETSI ETSI EN 300 434-1 V1.2.1 (2001-10) 2
Reference REN/DECT-A0196-1 Keywords DECT, interworking, ISDN, radio ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE
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© European Telecommunications Standards Institute 2001. All rights reserved.
ETSI ETSI EN 300 434-1 V1.2.1 (2001-10) 3 Contents Intellectual Property Rights.8 Foreword.8 Introduction.8 1 Scope.10 2 References.10 3 Definitions, symbols and abbreviations.14 3.1 Definitions.14 3.2 Symbols.16 3.3 DECT abbreviations and acronyms.16 3.4 ISDN abbreviations and acronyms.17 3.5 ISO 9646 abbreviations.17 4 Interworking requirements.18 4.1 Reference configurations and interface.18 4.1.1 End system reference configuration.18 4.1.2 Interfaces.18 4.1.2.1 ISDN interfaces.18 4.1.2.2 Interfaces supported for a DECT end system.18 4.2 Protocol architecture models.19 4.3 Service requirements.20 4.3.1 Bearer service requirements.20 4.3.2 Teleservice requirements.20 4.3.2.1 General.20 4.3.2.2 Relationship to other ISDN service categories.21 4.3.2.3 Relationship to ISDN bearer services and information transfer capabilities.21 4.3.2.4 Relationship to signalling procedures.22 4.3.2.5 General aspects on error performance.23 4.3.3 Supplementary service requirements.23 4.3.3.1 General.23 4.3.3.2 Keypad protocol.24 4.3.3.3 Feature key management protocol.25 4.3.3.4 Functional protocol.25 4.3.3.4.1 Classification of the ISDN procedures supporting the ISDN-SS.26 4.4 Interworking context.26 5 Interworking mappings.27 5.1 Symbols for map columns.27 5.2 DFS C-plane IWU mappings.27 5.2.1 Call Control (CC) IWU procedures.27 5.2.1.1 Call establishment procedures.27 5.2.1.1.1 Outgoing call.28 5.2.1.1.2 Incoming call.33 5.2.1.1.3 Fall-back procedures.35 5.2.1.2 Call information procedures.35 5.2.1.3 Call release procedures.36 5.2.1.3.1 Call release initiated by the DPS.36 5.2.1.3.2 Call release initiated by the NT.37 5.2.2 Supplementary services IWU procedures.38 5.2.2.1 Keypad protocol procedures for Call Related Supplementary Services (CRSS).38 5.2.2.1.1 DECT stimulus to/from ISDN stimulus.38 5.2.2.1.2 DECT stimulus to/from ISDN functional protocol.39 5.2.2.2 Keypad protocol procedures for CISS.39 5.2.2.3 General functional protocol procedures for CRSS.40 5.2.2.3.1 Common information element approach - messages for outgoing call control.40 5.2.2.3.2 Common information element approach - messages for incoming call control.40 SIST EN 300 434-1 V1.2.1:2003

ETSI ETSI EN 300 434-1 V1.2.1 (2001-10) 4 5.2.2.3.3 Common information element approach - active call messages.41 5.2.2.3.4 Common information element approach - call release messages.41 5.2.2.3.5 Common information element approach - additional CRSS messages.41 5.2.2.3.6 Common information element approach - extended facility element.42 5.2.2.3.7 Separate message approach.42 5.2.2.3.8 Generic notification mapping procedures - outgoing call messages.42 5.2.2.3.9 Generic notification mapping procedures - incoming call messages.43 5.2.2.3.10 Generic notification mapping procedures - active call messages.43 5.2.2.3.11 Generic notification mapping procedures - call release messages.43 5.2.2.3.12 Generic notification mapping procedures - additional CRSS messages.43 5.2.2.4 Functional protocol IWU procedures for CISS.44 5.2.2.4.1 Connection-oriented.44 5.2.2.4.2 Connectionless.44 5.2.2.5 Specific procedures for the individual supplementary services.46 5.2.2.5.1 Specific procedures for Calling Line Identification Presentation (CLIP).46 5.2.2.5.2 Specific procedures for Calling Line Identification Restriction (CLIR).46 5.2.2.5.3 Specific procedures for COnnected Line identification Presentation (COLP).46 5.2.2.5.4 Specific procedures for COnnected Line identification Restriction (COLR).46 5.2.2.5.5 Specific procedures for Multiple Subscriber Number (MSN).46 5.2.2.5.6 Specific procedures for Direct Dialling In (DDI).46 5.2.2.5.7 Specific procedures for SUBaddressing (SUB).47 5.2.2.5.8 Specific procedures for Terminal Portability (TP).47 5.2.2.5.9 Specific procedures for Call Waiting (CW).47 5.2.2.5.10 Specific procedures for Call Hold (HOLD).47 5.2.2.5.11 Specific procedures for Closed User Group (CUG).47 5.2.2.5.12 Specific procedures for Advice Of Charge (AOC-S,D,E).47 5.2.2.5.13 Specific procedures for Malicious Call Identification Detection (MCID).47 5.2.2.5.14 Specific procedures for add on CONFerence (CONF).47 5.2.2.5.15 Specific procedures for 3 Party (3PTY).47 5.2.2.5.16 Specific procedures for Call Deflection (CD).48 5.2.2.5.17 Specific procedures for User to User Service 1 (UUS1).48 5.2.2.5.18 Specific procedures for User to User Service 2 (UUS2).48 5.2.2.5.19 Specific procedures for User to User Service 3 (UUS3).49 5.2.2.5.20 Specific procedures for Explicit Call Transfer (ECT).49 5.2.2.5.21 Specific procedures for Call Completion on Busy Subscribers (CCBS).49 5.2.2.5.22 Specific procedures for Free Phone (FPH).49 5.2.2.5.23 Specific procedures for Meet Me Conference (MMC).49 5.2.2.5.24 Specific procedures for call forwarding: (CFU), (CFNR), (CFB).50 5.2.2.6 Error handling for supplementary services.50 5.2.2.6.1 Error handling procedures at the DECT CI.50 5.2.2.6.2 IWU error handling procedures - information from the NT.50 5.2.2.6.3 IWU error handling procedure - information from the DPS.50 5.2.3 Other IWU procedures.50 5.2.3.1 Segmentation.50 5.2.3.2 Identity mapping procedures.50 5.2.4 Message mappings.51 5.2.4.1 Messages - ISDN to DECT.51 5.2.4.1.1 ALERTING - CC-ALERTING.52 5.2.4.1.2 CALL-PROC - CC-CALL-PROC.52 5.2.4.1.3 CISS-RELEASE - CISS-RELEASE-COM.52 5.2.4.1.4 CISS-RELEASE-COM - CISS-RELEASE-COM.53 5.2.4.1.5 CONGESTION-CONTROL - CC-INFO.53 5.2.4.1.6 CONNECT - CC-CONNECT.53 5.2.4.1.7 CONNECT-ACK - CC-CONNECT-ACK.54 5.2.4.1.8 DISCONNECT - CC-RELEASE.54 5.2.4.1.9 FACILITYciss - FACILITYciss.54 5.2.4.1.10 FACILITYcrss - FACILITYcrss.55 5.2.4.1.11 HOLD-ACK - HOLD-ACK.55 5.2.4.1.12 HOLD-REJ - HOLD-REJ.55 5.2.4.1.13 INFORMATION - CC-INFO (F-02, F-03, F-04, F-07, F-10).55 5.2.4.1.14 INFORMATION - CC-SETUP.56 5.2.4.1.15 NOTIFY - CC-INFO.56 SIST EN 300 434-1 V1.2.1:2003

ETSI ETSI EN 300 434-1 V1.2.1 (2001-10) 5 5.2.4.1.16 PROGRESS - CC-INFO.56 5.2.4.1.17 REGISTER - CISS-REGISTER.57 5.2.4.1.18 RELEASE - CC-RELEASE-COM.57 5.2.4.1.19 RELEASE-COM - CC-RELEASE-COM.57 5.2.4.1.20 RETRIEVE-ACK - RETRIEVE-ACK.58 5.2.4.1.21 RETRIEVE-REJ - RETRIEVE-REJ.58 5.2.4.1.22 SETUP - CC-SETUP.58 5.2.4.1.23 SETUP-ACK - CC-INFO.59 5.2.4.1.24 SETUP-ACK - CC-SETUP-ACK.59 5.2.4.1.25 USER-INFORMATION - CC-INFO.60 5.2.4.1.26 STATUS - CC-INFO.60 5.2.4.2 Messages - DECT to ISDN.60 5.2.4.2.1 CC-ALERTING - ALERTING.61 5.2.4.2.2 CC-CONNECT - CONNECT.61 5.2.4.2.3 CC-INFO (F-02) - INFORMATION (U2).62 5.2.4.2.4 CC-INFO (F-02) - SETUP.62 5.2.4.2.5 CC-INFO (F-03, F-04, F-07, F-10, F-19) - INFORMATION.63 5.2.4.2.6 CC-INFO - FACILITY-crss.63 5.2.4.2.7 CC-INFO - USER-INFORMATION.64 5.2.4.2.8 CC-RELEASE - DISCONNECT.64 5.2.4.2.9 CC-RELEASE-COM - RELEASE.64 5.2.4.2.10 CC-RELEASE-COM - DISCONNECT.65 5.2.4.2.11 CC-SETUP - SETUP.65 5.2.4.2.12 CISS-REGISTER - REGISTER.66 5.2.4.2.13 CISS-RELEASE-COM - CISS-RELEASE.66 5.2.4.2.14 FACILITYciss - FACILITYciss.66 5.2.4.2.15 FACILITYcrss - FACILITYcrss.67 5.2.4.2.16 HOLD - HOLD.67 5.2.4.2.17 RETRIEVE - RETRIEVE.67 5.2.5 Information element mappings.67 5.2.5.1 ISDN to DECT and DECT to ISDN.67 5.2.5.1.1 Basic-service - bearer-capability.67 5.2.5.1.2 Calling-party-number - Calling-party-number.68 5.2.5.1.3 Called party number - Called party number.68 5.2.5.1.4 Called-party-subaddress - Called-party-subaddress.68 5.2.5.1.5 Display - Display.68 5.2.5.1.6 End-to-end-compatibility - Bearer-capability.69 5.2.5.1.7 End-to-end-compatibility - Lower-Layer-compatibility.69 5.2.5.1.8 Facility - Facility.70 5.2.5.1.9 IWU-attributes - Bearer-capability.70 5.2.5.1.10 IWU-attributes - Lower-layer-compatibility.71 5.2.5.1.11 IWU-to-IWU - ISDN-information-element.72 5.2.5.1.12 IWU-to-IWU - ISDN-message.72 5.2.5.1.13 Keypad - Called party number.72 5.2.5.1.14 Keypad - Keypad.72 5.2.5.1.15 Progress-indicator - Progress-indicator.73 5.2.5.1.16 Reject-reason - Cause.73 5.2.5.1.17 Release-reason - Cause.73 5.2.5.1.18 Sending-complete - Sending-complete.73 5.2.5.1.19 Signal.74 5.2.6 Information element coding mappings.74 5.2.6.1 coding-standard - coding-standard.74 5.2.6.2 data bits coding - number of data bits.74 5.2.6.3 duplex mode - duplex mode.74 5.2.6.4 Flow control on reception - Flow control on reception.75 5.2.6.5 Flow control on transmission - Flow control on transmission.75 5.2.6.6 id-for-info-element - info-element-id.75 5.2.6.7 information-transfer-capability - information-transfer-capability.75 5.2.6.8 information-transfer-rate - information-transfer-rate.76 5.2.6.9 intermediate rate - intermediate rate.76 5.2.6.10 location - location.77 5.2.6.11 length-of-contents - length-of-contents.77 SIST EN 300 434-1 V1.2.1:2003

ETSI ETSI EN 300 434-1 V1.2.1 (2001-10) 6 5.2.6.12 L2-protocol-identifier - user-information-layer-2-protocol.77 5.2.6.13 L3-protocol-identifier - user-information-layer-3-protocol.78 5.2.6.14 message-type - message-type.78 5.2.6.15 modem type - modem type.78 5.2.6.16 negotiation - negotiation.78 5.2.6.17 Network Independent Clock (NIC) on reception - NIC on reception.79 5.2.6.18 Network Independent Clock (NIC) on transmission - NIC on transmission.79 5.2.6.19 number-type - type-of-number.79 5.2.6.20 numbering-plan - numbering-plan.79 5.2.6.21 odd/even - odd/even-indicator.80 5.2.6.22 parity - parity.80 5.2.6.23 presentation-indicator - presentation-indicator.80 5.2.6.24 progress-description - progress-description.81 5.2.6.25 protocol-discriminator - protocol-discriminator.81 5.2.6.26 protocol-identifier-coding - protocol-identifier-coding.81 5.2.6.27 reject-reason-code - cause-value.81 5.2.6.28 release-reason-code - cause-value.82 5.2.6.29 screening-indicator - screening-indicator.83 5.2.6.30 service-discriminator - service-discriminator.83 5.2.6.31 stop bits coding - number of stop bits.84 5.2.6.32 subaddress-type - type-of-subaddress.84 5.2.6.33 synchronous/asynchronous - synchronous/asynchronous.84 5.2.6.34 transaction-identifier - call-reference.84 5.2.6.35 transfer-mode - transfer-mode.84 5.2.6.36 user-protocol-identifier - user-information-layer-1-protocol.85 5.2.6.37 user rate - user rate.86 5.3 ISDN Layer 2 management.86 5.3.1 ISDN layer 2 management during a connection oriented transaction.86 5.3.2 ISDN layer 2 management during a connectionless transaction.88 5.4 DFS U-Plane IWU mappings.89 5.4.1 Service activation.89 5.4.2 Service de-activation.90 6 Support of ISDN bearer services.90 Annex A (normative): EN 300 175 additions/modifications.91 A.1 MAC layer additions/modifications (part 3).91 A.2 DLC layer additions/modifications (part 4).91 A.2.1 LU7 64 kbit/s data bearer service.91 A.3 NWL layer additions/modifications (part 5).91 Annex B (normative): LU7 64 kbit/s data bearer service.93 B.1 General.93 B.2 PHL layer service.93 B.3 MAC layer service.93 B.4 DLC layer service.93 B.4.1 Architectural model.93 B.4.1.1 Transmit (Tx) frame buffering.94 B.4.1.2 Receive (Rx) frame buffering.94 B.4.2 Automatic-Repeat-Request (ARQ) and Forward Error Control (FEC).94 B.4.2.1 Control field.95 B.4.2.1.1 Format control parameter coding.96 B.4.2.1.2 Offset variable V(O).96 B.4.2.1.3 Time variables Vn(T).96 B.4.2.1.4 Offset number N(O).96 B.4.2.1.5 Send state variable V(S).97 B.4.2.1.6 Acknowledge state variable V(A).97 B.4.2.1.7 Send sequence number N(S).97 SIST EN 300 434-1 V1.2.1:2003

ETSI ETSI EN 300 434-1 V1.2.1 (2001-10) 7 B.4.2.1.8 Receive state variable V(R).97 B.4.2.1.9 Receive sequence number N(R).97 B.4.2.2 Information field.97 B.4.2.3 ARQ checksum.98 B.4.3 Procedures for normal operation.98 B.4.3.1 Establishment and synchronization procedures.98 B.4.3.2 Active phase.100 B.4.3.2.1 Transmitting frames (first time transmission).100 B.4.3.2.2 Re-transmitting frames.100 B.4.3.2.3 Receiving frames.101 B.4.3.2.4 Sending acknowledgements.101 B.4.3.2.5 Receiving acknowledgements.102 B.4.3.3 Release.102 B.4.4 Exceptional procedures.102 B.4.4.1 Invalid frame condition.102 B.4.4.2 Establishment.102 B.4.4.3 Transmitting frames.102 B.4.4.4 Receiving frames.102 B.4.4.5 Sending acknowledgements.102 B.4.4.6 Forwarding of received data.103 B.4.4.7 N(R) sequence error.103 B.4.4.8 N(O) sequence error.103 B.4.4.9 N(S) sequence error.103 B.4.4.10 Format error.104 B.4.4.11 Abnormal release.104 B.5 NWK layer service.104 B.5.1 LCE service.104 B.5.2 CC service.104 Annex C (normative): ConnectionLess Supplementary Service (CLSS) procedure.105 C.1 General.105 C.2 Normal operation.105 C.3 Exceptional procedures.105 C.4 Identification of the user.106 C.4.1 One-to-one relation between DECT and ISDN layer 2 point-to-point links.106 C.4.2 No one-to-one relation between a DECT and an ISDN point-to-point links.106 C.4.3 FACILITY message broadcast by the network.106 Annex D (informative): Interworking state machine.107 D.1 IWU CC state transition diagram.107 D.2 IWU CC states.107 D.3 IWU CC transition procedures.107 Annex E (informative): Bibliography.109 History.110
ETSI ETSI EN 300 434-1 V1.2.1 (2001-10) 8 Intellectual Property Rights IPRs essential or potentially essential to the present document 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 server (http://www.etsi.org/legal/home.htm). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Foreword This European Standard (Telecommunications series) has been produced by ETSI Project Digital Enhanced Cordless Telecommunications (DECT). Details of the Digital Enhanced Cordless Telecommunications (DECT) Common Interface (CI) may be found in EN 300 175 (parts 1 [1] to 9 [9]). Further details of the DECT system may be found in ETR 043 [51], and TR 101 178 [53]. The present document is part 1 of a multi-part deliverable covering the Digital Enhanced Cordless Telecommunications (DECT); Integrated Services Digital Network (ISDN) interworking for end system configuration, as identified below: Part 1: "Interworking specification"; Part 2: "Access profile".
National transposition dates Date of adoption of this EN: 28 September 2001 Date of latest announcement of this EN (doa): 31 December 2001 Date of latest publication of new National Standard or endorsement of this EN (dop/e):
30 June 2002 Date of withdrawal of any conflicting National Standard (dow): 30 June 2002
Introduction The present document specifies how Integrated Services Digital Network (ISDN) services are provided over the DECT air interface. One of the main objectives is to describe how the ISDN services are mapped across the DECT air interface in a formal way, so that inter-operability of different manufacturers' equipment can be achieved. This is achieved by describing the Interworking Unit (IWU) procedures and mappings loosely following ITU-T Recommendations Q.601 to Q.699 [67] and by describing air interface protocols. SIST EN 300 434-1 V1.2.1:2003

ETSI ETSI EN 300 434-1 V1.2.1 (2001-10) 9 The present document is made up of 3
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