SIST EN 300 175-5 V1.5.1:2003

• Abstract:

  Maintenance update.

• Status: Published
• Publication Date: 30-Nov-2003
• ICS: 33.070.30 - Digital Enhanced Cordless Telecommunications (DECT)
• ICS: 35.100.30 - Network layer
• 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 300 175-5 V1.5.1 (2001-02) - Digital Enhanced Cordless Telecommunications (DECT); Common Interface (CI); Part 5: Network (NWK) layer

Overview

SIST EN 300 175-5 V1.5.1:2003 specifies the Network (NWK) layer of the Common Interface (CI) for the Digital Enhanced Cordless Telecommunications (DECT) system. Published by the Slovenian Institute for Standardization (SIST), and harmonized with the European EN 300 175-5 standard, this document represents a maintenance update aimed at ensuring interoperability, reliability, and up-to-date network functionality for DECT-based communications.

The DECT Common Interface is the foundation for seamless cordless telecommunications, and the NWK layer plays a critical role in facilitating network-level procedures, call management, supplementary services, and mobility management across compliant DECT systems.

Key Topics

The main areas addressed by SIST EN 300 175-5 V1.5.1:2003 include:

• Network Layer Overview
  Introduction to NWK layer concepts, its role in protocol architecture, and how it enables communication between Personal Terminals (PTs) and Fixed Terminals (FTs).

• Call Control (CC) Procedures
  Standardized processes for call setup, information exchange, service negotiation, call connection, status reporting, service changes, and call release.

• Supplementary Services (SS)
  Support for keypad and feature key management, as well as functional protocols for advanced telephony features beyond basic call control.

• Message Services
  The standard defines both Connection Oriented Message Services (COMS) and Connection Less Message Services (CLMS) to handle various types of messaging scenarios within the DECT network.

• Mobility Management (MM)
  Procedures for user identity handling, authentication, location updating, access rights management, ciphering, and key handling to enable secure and flexible mobility.

• Link Control Entity (LCE)
  Mechanisms supporting paging, data link establishment, release, suspension, resume, and queuing of network messages.

• Message Structures
  Detailed specifications of message formats (S-FORMAT and B-FORMAT) and their elements, ensuring consistent interpretation and implementation.

Applications

The SIST EN 300 175-5 V1.5.1:2003 standard is vital for:

• Telecommunications Equipment Manufacturers:
  Ensuring devices such as cordless telephones, base stations, and wireless PBX systems offer DECT-compliant network interaction and feature support.

• System Integrators:
  Guaranteeing multi-vendor interoperability, seamless user mobility, and reliable communications in enterprise, residential, and public environments.

• Network Operators:
  Facilitating robust and secure operation of DECT networks, including authentication, maintaining service integrity, and extending supplementary services to users.

• Regulatory Compliance:
  Meeting national and European requirements for digital cordless telecommunication networks by adhering to a harmonized, consistently updated specification.

Related Standards

To enable comprehensive DECT interoperability, SIST EN 300 175-5 V1.5.1:2003 should be considered alongside the following standards:

• SIST EN 300 175-1: DECT; Common Interface (CI); Part 1: Overview
• SIST EN 300 175-2: DECT; CI Layer 1 (Physical Layer)
• SIST EN 300 175-3: DECT; CI Layer 2 (Data Link Layer)
• SIST EN 300 175-4: DECT; CI Layer 3 (Call Control aspects)
• Other EN 300 175 parts: Covering additional protocol and supplementary service management aspects for full DECT system compliance.

For up-to-date information on DECT standards, consult relevant documents at ETSI and SIST.

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By following the guidance and network definitions in SIST EN 300 175-5 V1.5.1:2003, the DECT ecosystem ensures standardized, interoperable, and secure cordless telecommunication solutions across a broad range of applications and devices.

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 1.5.1SIST EN 300 175-5 V1.5.1:2003en01-december-2003SIST EN 300 175-5 V1.5.1:2003SLOVENSKI
STANDARD
ETSIEN300175-5V1.5.1(2001-02)EuropeanStandard(Telecommunicationsseries)DigitalEnhancedCordlessTelecommunications(DECT);CommonInterface(CI);Part5:Network(NWK)layerSIST EN 300 175-5 V1.5.1:2003

ETSIETSIEN300175-5V1.5.1(2001-02)2ReferenceREN/DECT-000157-5KeywordsDECT,radioETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:[phone]Fax:[phone]SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/88ImportantnoticeIndividualcopiesofthepresentdocumentcanbedownloadedfrom:http://www.etsi.orgThepresentdocumentmaybemadeavailableinmorethanoneelectronicversionorinprint.Inanycaseofexistingorperceiveddifferenceincontentsbetweensuchversions,thereferenceversionisthePortableDocumentFormat(PDF).Incaseofdispute,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.Usersofthepresentdocumentshouldbeawarethatthedocumentmaybesubjecttorevisionorchangeofstatus.InformationonthecurrentstatusofthisandotherETSIdocumentsisavailableathttp://www.etsi.org/tb/status/Ifyoufinderrorsinthepresentdocument,sendyourcommentto:[e-mail]opartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute2001.Allrightsreserved.SIST EN 300 175-5 V1.5.1:2003

ETSIETSIEN300175-5V1.5.1(2001-02)3ContentsIntellectualPropertyRights.14Foreword.141Scope.152References.153Definitionsandabbreviations.193.1Definitions.193.2Abbreviations.214OverviewoftheNWKlayer.235Overviewofprocedures.255.1General.255.2OverviewofCallControl(CC).255.2.1General.255.2.2Callestablishment.255.2.2.1Callsetup.255.2.2.2Servicenegotiation.265.2.3Callconnect.265.2.4Callinformation.265.2.5Servicechange.265.2.6Callrelease.275.3OverviewofSupplementaryServices(SS).275.3.1General.275.3.2Keypadprotocol.285.3.3Featurekeymanagementprotocol.285.3.4Functionalprotocol.285.4OverviewofConnectionOrientedMessageService(COMS).285.4.1General.285.4.2COMSestablishment.295.4.3Servicenegotiation.295.4.4COMSconnect.295.4.5COMSdatatransfer.295.4.6COMSsuspendandresume.295.4.7COMSrelease.305.5OverviewofConnectionLessMessageService(CLMS).305.5.1Fixedlengthmessageservice.305.5.2Variablelengthmessageservice.305.6OverviewofMobilityManagement(MM).315.6.1General.315.6.2Identityprocedures.315.6.3Authenticationprocedures.315.6.4Locationprocedures.325.6.5Accessrightsprocedures.325.6.6Keyallocationprocedure.335.6.7Parameterretrievalprocedure.335.6.8Cipheringrelatedprocedure.335.7OverviewofLinkControlEntity(LCE).335.7.1General.335.7.2DataLinkEndpointIdentifier(DLEI).335.7.3Datalinkestablishment.345.7.4Datalinkre-establishment.345.7.5Datalinkrelease.345.7.6Datalinksuspendandresume.355.7.7Queuingofmessages.355.7.8Requestpaging.35SIST EN 300 175-5 V1.5.1:2003

ETSIETSIEN300175-5V1.5.1(2001-02)46Messagefunctionaldefinitions.366.1Overviewofmessagestructures.366.1.1Messages.366.1.2Informationelements.366.2Messagesummaries.376.2.1SummaryofCCmessages.376.2.2SummaryofCISSmessages.376.2.3SummaryofCOMSmessages.386.2.4SummaryofCLMSmessages.386.2.5SummaryofMMmessages.396.2.6SummaryofLCEmessages.396.3S-FORMATmessagefunctionalcontents.406.3.1S-FORMATmessageoverview.406.3.2CC-messages.416.3.2.1{CC-SETUP}.416.3.2.2{CC-INFO}.436.3.2.3{CC-SETUP-ACK}.446.3.2.4{CC-CALL-PROC}.456.3.2.5{CC-ALERTING}.466.3.2.6{CC-CONNECT}.476.3.2.7{CC-CONNECT-ACK}.486.3.2.8{CC-RELEASE}.486.3.2.9{CC-RELEASE-COM}.496.3.2.10{CC-SERVICE-CHANGE}.506.3.2.11{CC-SERVICE-ACCEPT}.506.3.2.12{CC-SERVICE-REJECT}.516.3.2.13{CC-NOTIFY}.516.3.2.14{IWU-INFO}.526.3.3SS-messages(callrelatedandcallindependent).536.3.3.1{FACILITY}.536.3.3.2{HOLD}.536.3.3.3{HOLD-ACK}.546.3.3.4{HOLD-REJECT}.546.3.3.5{RETRIEVE}.556.3.3.6{RETRIEVE-ACK}.556.3.3.7{RETRIEVE-REJECT}.566.3.3.8{CISS-REGISTER}.566.3.3.9{CISS-RELEASE-COM}.576.3.4COMS-messages.576.3.4.1{COMS-SETUP}.576.3.4.2{COMS-INFO}.586.3.4.3{COMS-ACK}.586.3.4.4{COMS-CONNECT}.596.3.4.5{COMS-RELEASE}.596.3.4.6{COMS-RELEASE-COM}.606.3.4.7{COMS-NOTIFY}.606.3.5CLMS-message.616.3.5.1{CLMS-VARIABLE}.616.3.6MM-messages.626.3.6.1{ACCESS-RIGHTS-ACCEPT}.626.3.6.2{ACCESS-RIGHTS-REJECT}.626.3.6.3{ACCESS-RIGHTS-REQUEST}.636.3.6.4{ACCESS-RIGHTS-TERMINATE-ACCEPT}.636.3.6.5{ACCESS-RIGHTS-TERMINATE-REJECT}.646.3.6.6{ACCESS-RIGHTS-TERMINATE-REQUEST}.646.3.6.7{AUTHENTICATION-REJECT}.656.3.6.8{AUTHENTICATION-REPLY}.656.3.6.9{AUTHENTICATION-REQUEST}.656.3.6.10{CIPHER-REJECT}.666.3.6.11{CIPHER-REQUEST}.676.3.6.12{CIPHER-SUGGEST}.676.3.6.13{DETACH}.68SIST EN 300 175-5 V1.5.1:2003

ETSIETSIEN300175-5V1.5.1(2001-02)56.3.6.14{IDENTITY-REPLY}.686.3.6.15{IDENTITY-REQUEST}.696.3.6.16{KEY-ALLOCATE}.696.3.6.17{LOCATE-ACCEPT}.706.3.6.18{LOCATE-REJECT}.706.3.6.19{LOCATE-REQUEST}.716.3.6.20{MM-INFO-ACCEPT}.716.3.6.21{MM-INFO-REJECT}.726.3.6.22{MM-INFO-REQUEST}.726.3.6.23{MM-INFO-SUGGEST}.736.3.6.24{TEMPORARY-IDENTITY-ASSIGN}.736.3.6.25{TEMPORARY-IDENTITY-ASSIGN-ACK}.746.3.6.26{TEMPORARY-IDENTITY-ASSIGN-REJ}.746.3.7LCE-messages.756.3.7.1{LCE-PAGE-RESPONSE}.756.3.7.2{LCE-PAGE-REJECT}.756.4B-FORMATmessagefunctionalcontents.766.4.1B-FORMATmessageoverview.766.4.2{LCE-REQUEST-PAGE}.766.4.3{CLMS-FIXED}.777S-FORMATmessagestructures.777.1Overview.777.2ProtocolDiscrimination(PD)element.787.3TransactionIdentifier(TI)element.787.4Messagetypeelement.797.4.1MessagesforCC.807.4.2MessagesforSS.807.4.3MessagesforCOMS.807.4.4MessagesforCLMS.817.4.5MessagesforMM.817.4.6MessagesforLCE.817.5Otherinformationelements.827.5.1Codingrules.827.5.2Extensionsofcodesets.847.5.3Lockingshiftprocedure.847.5.4Non-lockingshiftprocedure.857.5.5Displayandkeypadelements.857.5.6Repeatedelements.857.6Fixedlengthinformationelements.867.6.1Summary.867.6.2Sendingcomplete,delimiterrequestanduseTPUI.867.6.3Repeatindicator.877.6.4Basicservice.877.6.5Singledisplay.887.6.6Singlekeypad.887.6.7Releasereason.887.6.8Signal.897.6.9Timerrestart.907.6.10Testhookcontrol.917.7Variablelengthinformationelements.917.7.1Summary.917.7.2Allocationtype.937.7.3Alphanumeric.947.7.4Authtype.957.7.5Callattributes.967.7.6Callidentity.987.7.7Calledpartynumber.997.7.8Calledpartysubaddress.1007.7.9Callingpartynumber.1007.7.10Cipherinfo.1017.7.11Connectionattributes.102SIST EN 300 175-5 V1.5.1:2003

ETSIETSIEN300175-5V1.5.1(2001-02)67.7.12Connectionidentity.1057.7.13Duration.1057.7.14End-to-endcompatibility.1067.7.15Facility.1097.7.16Featureactivate.1107.7.17Featureindicate.1127.7.18Fixedidentity.1147.7.19Identitytype.1157.7.20Infotype.1167.7.21InterWorkingUnit(IWU)attributes.1177.7.22IWUpacket.1217.7.23IWUtoIWU.1227.7.24Key.1247.7.25Locationarea.1257.7.26Multi-display.1267.7.27Multi-keypad.1267.7.28NetWorK(NWK)assignedidentity.1267.7.29Networkparameter.1277.7.30Portableidentity.1287.7.31Progressindicator.1317.7.32RAND.1327.7.33Rateparameters.1337.7.34Rejectreason.1347.7.35RES.1357.7.36RS.1357.7.37Segmentedinfo.1367.7.38Servicechangeinfo.1367.7.39Serviceclass.1387.7.40Setupcapability.1387.7.41Terminalcapability.1397.7.42Transitdelay.1437.7.43Windowsize.1437.7.44ZAPfield.1447.7.45Escapetoproprietary.1447.7.46Modelidentifier.1457.7.47MMSGenericHeader.1467.7.48MMSObjectHeader.1467.7.49MMSExtendedheader.1467.7.50Time-Date.1467.7.51Exth/oindicator.1488B-FORMATmessagestructures.1498.1General.1498.2LCErequestpagingmessages.1498.2.1Shortformatmessage.1508.2.2Longformatmessage.1528.3CLMS-FIXEDmessages.1548.3.1Generalmessagestructure.1548.3.2Messageelements.1558.3.3Standardmessagestructures.1578.3.3.1General.1578.3.3.2Messagesusing4-bitcharacters.1578.3.3.3Messagesusing8-bitcharacters.1579CallControl(CC)procedures.1579.1General.1579.2CallControl(CC)states.1609.2.1StatesatPT.1609.2.1.1StateT-00:"NULL".1609.2.1.2StateT-19:"RELEASEPENDING".1609.2.1.3StateT-10:"ACTIVE".1609.2.1.4StateT-01:"CALLINITIATED".160SIST EN 300 175-5 V1.5.1:2003

ETSIETSIEN300175-5V1.5.1(2001-02)79.2.1.5StateT-02:"OVERLAPSENDING".1609.2.1.6StateT-03:"CALLPROCEEDING".1609.2.1.7StateT-04:"CALLDELIVERED".1609.2.1.8StateT-06:"CALLPRESENT".1609.2.1.9StateT-07:"CALLRECEIVED".1609.2.1.10StateT-08:"CONNECTPENDING".1609.2.2StatesatFT.1619.2.2.1StateF-00:"NULL".1619.2.2.2StateF-19:"RELEASEPENDING".1619.2.2.3StateF-10:"ACTIVE".1619.2.2.4StateF-01:"CALL-INITIATED".1619.2.2.5StateF-02:"OVERLAPSENDING".1619.2.2.6StateF-03:"CALLPROCEEDING".1619.2.2.7StateF-04:"CALLDELIVERED".1619.2.2.8StateF-06:"CALLPRESENT".1619.2.2.9StateF-07:"CALLRECEIVED".1619.2.3Optionalstates(PTandFT).1629.2.3.1StatesT-22andF-22:"OVERLAPRECEIVING".1629.2.3.2StatesT-23andF-23:"INCOMINGCALLPROCEEDING".1629.3Callestablishmentprocedures.1629.3.1PTinitiatedcallestablishment(outgoingcall).1629.3.1.1Callrequest.1629.3.1.2Callacceptorreject.1639.3.1.3Selectionoflowerlayerresources.1639.3.1.4ConnectionofU-plane.1649.3.1.5Overlapsending.1649.3.1.6Callproceeding.1659.3.1.7Callconfirmation.1659.3.1.8Callconnection.1669.3.1.9Expiryoftimer.1669.3.2FTinitiatedcallestablishment(incomingcall).1669.3.2.1Callrequest.1669.3.2.2Callacceptorreject.1679.3.2.3Selectionoflowerlayerresources.1679.3.2.4ConnectionofU-plane.1689.3.2.5Overlapreceiving.1689.3.2.6Callproceeding.1689.3.2.7Callconfirmation.1689.3.2.8Callconnection.1689.3.2.9Sendingof<>.1699.3.2.10Expiryoftimer.1699.4Callinformationprocedures.1699.5Callreleaseprocedures.1699.5.1Normalcallrelease.1699.5.2Abnormalcallrelease.1709.5.3Releasecollisions.1709.6Servicechangeprocedures.1719.6.1General.1719.6.2Bandwidthchanges(includingreversals).1719.6.3Servicererouting.1729.6.4Servicesuspensionandresumption.1729.6.5Modulationschemechange.1729.7Packetmodeprocedures.1729.7.1General.1729.7.2PTinitiatedaccess.1739.7.3FTinitiatedaccess.1739.7.4Packetmodesuspendandresume.1739.7.4.1General.17
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