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17.3.2 Application context definitions
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17.3.2.1 Void
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17.3.2.2 Location Updating
This application context is used between HLR and VLR for location updating procedures. networkLocUpContext-v3 APPLICATION-CONTEXT -- Responder is HLR if Initiator is VLR INITIATOR CONSUMER OF { LocationUpdatingPackage-v3, DataRestorationPackage-v3} RESPONDER CONSUMER OF { SubscriberDataMngtPackage-v3 TracingPackage-v3}...
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17.3.2.3 Location Cancellation
This application context is used between HLR and VLR or between HLR and SGSN for location cancellation procedures. For the HLR - SGSN interface only version 3 of this application context is applicable. locationCancellationContext-v3 APPLICATION-CONTEXT -- Responder is VLR or SGSN if Initiator is HLR INITIATOR CONSUMER ...
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17.3.2.4 Roaming number enquiry
This application context is used between HLR and VLR for roaming number enquiry procedures. roamingNumberEnquiryContext-v3 APPLICATION-CONTEXT -- Responder is VLR if Initiator is HLR INITIATOR CONSUMER OF { RoamingNumberEnquiryPackage-v3} ::= {map-ac roamingNbEnquiry(3) version3(3)} The following application-context-na...
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17.3.2.5 Void
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17.3.2.6 Location Information Retrieval
This application-context is used between GMSC and HLR or between GMSC and NPLR when retrieving location information. For the GMSC - NPLR interface version 1, version 2 and version 3 of this application context are applicable. locationInfoRetrievalContext-v3 APPLICATION-CONTEXT -- Responder is HLR or NPLR if Initiator i...
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17.3.2.7 Call control transfer
This application context is used for the call control transfer procedure between the VMSC and the GMSC. callControlTransferContext-v4 APPLICATION-CONTEXT -- Responder is GMSC if Initiator is VMSC INITIATOR CONSUMER OF { CallControlTransferPackage-v4} ::= {map-ac callControlTransfer(6) version4(4)} The following applica...
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17.3.2.11 Location registers restart
This application context is used between HLR and VLR or between HLR and SGSN for location register restart procedures. For the HLR - SGSN interface version 1 and version 2 of this application context are applicable. resetContext-v2 APPLICATION-CONTEXT -- Responder is VLR or SGSN if Initiator is HLR INITIATOR CONSUMER O...
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17.3.2.12 Handover control
This application context is used for handover procedures between MSCs. handoverControlContext-v2 APPLICATION-CONTEXT -- Responder is MSCB if Initiator is MSCA INITIATOR CONSUMER OF { HandoverControlPackage-v2} ::= {map-ac handoverControl(11) version2(2)} The following application-context-name is assigned to the v1-equi...
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17.3.2.13 IMSI Retrieval
This application context is used for IMSI retrieval between HLR and VLR. imsiRetrievalContext-v2 APPLICATION-CONTEXT -- Responder is HLR if Initiator is VLR INITIATOR CONSUMER OF { IMSIRetrievalPackage-v2} ::= {map-ac imsiRetrieval(26) version2(2)} This application-context is v2 only.
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17.3.2.14 Equipment Management
This application context is used for equipment checking between MSC and EIR or between SGSN and EIR. For the SGSN - EIR interface version 1 and version 2 of this application context are applicable: equipmentMngtContext-v2 APPLICATION-CONTEXT -- Responder is EIR if Initiator is MSC -- Responder is EIR if Initiator is SG...
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17.3.2.15 Information retrieval
This application context is used for authentication information retrieval between HLR and VLR or between HLR and SGSN. For the HLR - SGSN interface version 1 and version 2 of this application context are applicable. infoRetrievalContext-v2 APPLICATION-CONTEXT -- Responder is HLR if Initiator is VLR -- Responder is HLR ...
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17.3.2.16 Inter-VLR information retrieval
This application context is used for information retrieval between VLRs. interVlrInfoRetrievalContext-v2 APPLICATION-CONTEXT -- Responder is VLR if Initiator is VLR INITIATOR CONSUMER OF { InterVlrInfoRetrievalPackage-v2} ::= {map-ac interVlrInfoRetrieval(15) version2(2)} The v1-equivalent application-context is: -- Re...
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17.3.2.17 Stand Alone Subscriber Data Management
This application context is used for stand alone subscriber data management between HLR and VLR or between HLR and SGSN. For the HLR - SGSN interface only version 3 of this application context is applicable: subscriberDataMngtContext-v3 APPLICATION-CONTEXT -- Responder is VLR or SGSN if Initiator is HLR INITIATOR CONSU...
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17.3.2.18 Tracing
This application context is used between HLR and VLR or between HLR and SGSN for stand alone tracing control procedures: For the HLR - SGSN interface version 1, version 2 and version 3 of this application context are applicable. tracingContext-v3 APPLICATION-CONTEXT -- Responder is VLR or SGSN if Initiator is HLR INITI...
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17.3.2.19 Network functional SS handling
This application context is used for functional-like SS handling procedures between VLR and HLR. networkFunctionalSsContext-v2 APPLICATION-CONTEXT -- Responder is HLR, Initiator is VLR INITIATOR CONSUMER OF { FunctionalSsPackage-v2} ::= {map-ac networkFunctionalSs(18) version2(2)} ETSI ETSI TS 100 974 V7.3.0 (2000-02) ...
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17.3.2.20 Network unstructured SS handling
This application context is used for handling stimuli-like procedures between HLR and VLR, and between the HLR and gsmSCF. networkUnstructuredSsContext-v2 APPLICATION-CONTEXT -- Responder is HLR, Initiator is VLR -- Responder is VLR, Initiator is HLR -- Responder is gsmSCF, Initiator is HLR -- Responder is HLR, Initiat...
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17.3.2.21 Short Message Gateway
This application context is used for short message gateway procedures. shortMsgGatewayContext-v3 APPLICATION-CONTEXT -- Responder is HLR if Initiator is GMSC INITIATOR CONSUMER OF { ShortMsgGatewayPackage-v3} ::= {map-ac shortMsgGateway(20) version3(3)} The following application-context-name is assigned to the v2-equiv...
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17.3.2.22 Mobile originating Short Message Relay
This application context is used between MSC and IWMSC or between SGSN and IWMSC for mobile originating short message relay procedures. For the SGSN - IWMSC interface version 1, version 2 and version 3 of this application context are applicable. shortMsgMO-RelayContext-v3 APPLICATION-CONTEXT -- Responder is IWMSC if In...
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17.3.2.23 Void
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17.3.2.24 Short message alert
This application context is used for short message alerting procedures. shortMsgAlertContext-v2 APPLICATION-CONTEXT -- Responder is IWMSC if Initiator is HLR INITIATOR CONSUMER OF { AlertingPackage-v2} ::= {map-ac shortMsgAlert(23) version2(2)} The following application-context-name is symbolically assigned to the v1-e...
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17.3.2.25 Short message waiting data management
This application context is used between VLR and HLR or between SGSN and HLR for short message waiting data management procedures. For the SGSN - HLR interface only version 3 of this application context is applicable. mwdMngtContext-v3 APPLICATION-CONTEXT -- Responder is HLR if Initiator is SGSN -- Responder is HLR if ...
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17.3.2.26 Mobile terminating Short Message Relay
This application context is used between GMSC and MSC or between GMSC and SGSN for mobile terminating short message relay procedures. For the GMSC - SGSN interface version 2and version 3 of this application context and the equivalent version 1 application context are applicable. shortMsgMT-RelayContext-v3 APPLICATION-C...
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17.3.2.27 MS purging
This application context is used between HLR and VLR or between HLR and SGSN for MS purging procedures. For the SGSN - HLR interface only version 3 of this application context is applicable. msPurgingContext-v3 APPLICATION-CONTEXT -- Responder is HLR if Initiator is VLR -- Responder is HLR if Initiator is SGSN INITIATO...
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17.3.2.28 Subscriber information enquiry
This application context is used between HLR and VLR for subscriber information enquiry procedures. subscriberInfoEnquiryContext-v3 APPLICATION-CONTEXT -- Responder is VLR if Initiator is HLR INITIATOR CONSUMER OF { SubscriberInformationEnquiryPackage-v3} ::= {map-ac subscriberInfoEnquiry(28) version3(3)} This applicat...
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17.3.2.29 Any time information enquiry
This application context is used between gsmSCF and HLR for any time information enquiry procedures. anyTimeInfoEnquiryContext-v3 APPLICATION-CONTEXT -- Responder is HLR if Initiator is gsmSCF INITIATOR CONSUMER OF { AnyTimeInformationEnquiryPackage-v3} ::= {map-ac anyTimeInfoEnquiry(29) version3(3)} This application-c...
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17.3.2.30 Group Call Control
This application context is used between anchor MSC and relay MSC for group call and broadcast call procedures. groupCallControlContext-v3 APPLICATION-CONTEXT -- Responder is relay MSC if Initiator is anchor MSC INITIATOR CONSUMER OF { GroupCallControlPackage-v3} ::= {map-ac groupCallControl(31) version3(3)} This appli...
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17.3.2.31 Provide SIWFS Number
This application context is used for activation or modification of SIWF resources. sIWFSAllocationContext-v3 APPLICATION-CONTEXT -- Responder is SIWF if Initiater is VMSC INITIATOR CONSUMER OF { ProvideSIWFSNumberPackage-v3, SIWFSSignallingModifyPackage-v3} ::= {map-ac sIWFSAllocation (12) version3(3)} This application...
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17.3.2.32 Gprs Location Updating
This application context is used between HLR and SGSN for gprs location updating procedures. gprsLocationUpdateContext-v3 APPLICATION-CONTEXT -- Responder is HLR if Initiator is SGSN INITIATOR CONSUMER OF { GprsLocationUpdatingPackage-v3} RESPONDER CONSUMER OF { SubscriberDataMngtPackage-v3 TracingPackage-v3} ::= {map-...
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17.3.2.33 Gprs Location Information Retreival
This application context is used between HLR and GGSN when retrieving gprs location information. gprsLocationInfoRetrievalContext-v3 APPLICATION-CONTEXT -- Responder is HLR if Initiator is GGSN INITIATOR CONSUMER OF { GprsInterrogationPackage-v3} ::= {map-ac gprsLocationInfoRetrieval(33) version3(3)} This application-c...
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17.3.2.34 Failure Reporting
This application context is used between HLR and GGSN to inform that network requested PDP-context activation has failed. failureReportContext-v3 APPLICATION-CONTEXT -- Responder is HLR if Initiator is GGSN INITIATOR CONSUMER OF { FailureReportingPackage-v3} ::= {map-ac failureReport(34) version3(3)} This application-c...
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17.3.2.35 GPRS Notifying
This application context is used between HLR and GGSN for notifying that GPRS subscriber is present again. gprsNotifyContext-v3 APPLICATION-CONTEXT -- Responder is GGSN if Initiator is HLR INITIATOR CONSUMER OF { GprsNotifyingPackage-v3} ::= {map-ac gprsNotify(35) version3(3)} This application-context is v3 only.
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17.3.2.36 Supplementary Service invocation notification
This application context is used between MSC and gsmSCF for Supplementary Service invocation notification procedures. ss-InvocationNotificationContext-v3 APPLICATION-CONTEXT -- Responder is gsmSCF, Initiator is MSC INITIATOR CONSUMER OF { SS-InvocationNotificationPackage-v3} ::= {map-ac ss-InvocationNotification(36) ve...
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17.3.2.37 Reporting
This application context is used between HLR and VLR for reporting procedures. reportingContext-v3 APPLICATION-CONTEXT -- Responder is VLR if Initiator is HLR -- Responder is HLR if Initiator is VLR INITIATOR CONSUMER OF { SetReportingStatePackage-v3, StatusReportPackage-v3, RemoteUserFreePackage-v3} RESPONDER CONSUMER...
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17.3.2.38 Call Completion
This application context is used between VLR and the HLR for subscriber control of call completion services. callCompletionContext-v3 APPLICATION-CONTEXT -- Responder is HLR if Initiator is VLR INITIATOR CONSUMER OF { CallCompletionPackage-v3} ::= {map-ac callCompletion(8) version3(3)} This application-context is v3 on...
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17.3.2.39 Location Service Gateway
This application context is used for location service gateway procedures. locationSvcGatewayContext-v3 APPLICATION-CONTEXT -- Responder is HLR if Initiator is GMLC INITIATOR CONSUMER OF { locationSvcGatewayPackage-v3} ::= {map-ac locationSvcGateway(37) version3(3)} 17.3.2.40 Location Service Enquiry This application co...
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17.3.2.41 Void
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17.3.2.42 Void
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17.3.2.43 Void
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17.3.3 ASN.1 Module for application-context-names
The following ASN.1 module summarizes the application-context-name assigned to MAP application-contexts. MAP-ApplicationContexts { 1 ccitt identified-organization (4) etsi (0) mobileDomain (0) 2 gsm-Network (1) modules (3) map-ApplicationContexts (2) version5 (5)} 3 4 DEFINITIONS 5 6 ETSI ETSI TS 100 974 V7.3.0 (2000-0...
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17.4 MAP Dialogue Information
MAP-DialogueInformation { 1 ccitt identified-organization (4) etsi (0) mobileDomain (0) 2 gsm-Network (1) modules (3) map-DialogueInformation (3) version5 (5)} 3 4 DEFINITIONS 5 6 IMPLICIT TAGS 7 8 ::= 9 10 BEGIN 11 12 EXPORTS 13 map-DialogueAS, 14 MAP-DialoguePDU 15 ; 16 17 IMPORTS 18 gsm-NetworkId, 19 as-Id 20 FROM M...
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17.5 MAP operation and error codes
MAP-Protocol { 1 ccitt identified-organization (4) etsi (0) mobileDomain (0) 2 gsm-Network (1) modules (3) map-Protocol (4) version5 (5)} 3 4 DEFINITIONS 5 6 ::= 7 8 BEGIN 9 10 IMPORTS 11 UpdateLocation, 12 CancelLocation, 13 PurgeMS, 14 SendIdentification, 15 UpdateGprsLocation, 16 PrepareHandover, 17 SendEndSignal, 1...
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17.6 MAP operation and error types
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17.6.1 Mobile Service Operations
MAP-MobileServiceOperations { 1 ccitt identified-organization (4) etsi (0) mobileDomain (0) 2 gsm-Network (1) modules (3) map-MobileServiceOperations (5) 3 version5 (5)} 4 5 DEFINITIONS 6 7 ::= 8 9 BEGIN 10 11 EXPORTS 12 13 -- location registration operations 14 UpdateLocation, 15 CancelLocation, 16 PurgeMS, 17 SendIde...
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17.6.2 Operation and Maintenance Operations
MAP-OperationAndMaintenanceOperations { 1 ccitt identified-organization (4) etsi (0) mobileDomain (0) 2 gsm-Network (1) modules (3) map-OperationAndMaintenanceOperations (6) 3 version5 (5)} 4 5 DEFINITIONS 6 7 ::= 8 9 BEGIN 10 11 EXPORTS 12 ActivateTraceMode, 13 DeactivateTraceMode, 14 SendIMSI 15 ; 16 17 IMPORTS 18 OP...
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17.6.3 Call Handling Operations
MAP-CallHandlingOperations { 1 ccitt identified-organization (4) etsi (0) mobileDomain (0) 2 gsm-Network (1) modules (3) map-CallHandlingOperations (7) 3 version5 (5)} 4 5 DEFINITIONS 6 7 ::= 8 ETSI ETSI TS 100 974 V7.3.0 (2000-02) 283 (GSM 09.02 version 7.3.0 Release 1998) 9 BEGIN 10 11 EXPORTS 12 SendRoutingInfo, 13 ...
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17.6.4 Supplementary service operations
MAP-SupplementaryServiceOperations { 1 ccitt identified-organization (4) etsi (0) mobileDomain (0) 2 gsm-Network (1) modules (3) map-SupplementaryServiceOperations (8) 3 version5 (5)} 4 5 DEFINITIONS 6 7 ::= 8 9 BEGIN 10 11 EXPORTS 12 RegisterSS, 13 EraseSS, 14 ActivateSS, 15 DeactivateSS, 16 InterrogateSS, 17 ProcessU...
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17.6.5 Short message service operations
MAP-ShortMessageServiceOperations { 1 ccitt identified-organization (4) etsi (0) mobileDomain (0) 2 gsm-Network (1) modules (3) map-ShortMessageServiceOperations (9) 3 version5 (5)} 4 5 DEFINITIONS 6 7 ::= 8 9 BEGIN 10 11 EXPORTS 12 SendRoutingInfoForSM, 13 MO-ForwardSM, 14 MT-ForwardSM, 15 ReportSM-DeliveryStatus, 16 ...
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17.6.6 Errors
MAP-Errors { 1 ccitt identified-organization (4) etsi (0) mobileDomain (0) 2 gsm-Network (1) modules (3) map-Errors (10) version5 (5)} 3 4 DEFINITIONS 5 6 ::= 7 8 BEGIN 9 10 EXPORTS 11 12 -- generic errors 13 SystemFailure, 14 DataMissing, 15 UnexpectedDataValue, 16 FacilityNotSupported, 17 IncompatibleTerminal, 18 Res...
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17.6.7 Group Call operations
MAP-Group-Call-Operations { 1 ccitt identified-organization (4) etsi (0) mobileDomain (0) 2 gsm-Network (1) modules (3) map-Group-Call-Operations (22) 3 version5 (5)} 4 5 DEFINITIONS 6 7 ::= 8 9 BEGIN 10 11 EXPORTS 12 PrepareGroupCall, 13 SendGroupCallEndSignal, 14 ForwardGroupCallSignalling, 15 ProcessGroupCallSignall...
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17.7 MAP constants and data types
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17.7.1 Mobile Service data types
MAP-MS-DataTypes { 1 ccitt identified-organization (4) etsi (0) mobileDomain (0) 2 gsm-Network (1) modules (3) map-MS-DataTypes (11) version5 (5)} 3 4 DEFINITIONS 5 6 IMPLICIT TAGS 7 8 ::= 9 10 BEGIN 11 12 EXPORTS 13 14 -- location registration types 15 UpdateLocationArg, 16 UpdateLocationRes, 17 CancelLocationArg, 18 ...
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17.7.2 Operation and maintenance data types
MAP-OM-DataTypes { 1 ccitt identified-organization (4) etsi (0) mobileDomain (0) 2 gsm-Network (1) modules (3) map-OM-DataTypes (12) version5 (5)} 3 4 DEFINITIONS 5 6 IMPLICIT TAGS 7 8 ::= 9 10 BEGIN 11 12 ETSI ETSI TS 100 974 V7.3.0 (2000-02) 314 (GSM 09.02 version 7.3.0 Release 1998) EXPORTS 13 ActivateTraceModeArg, ...
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17.7.3 Call handling data types
MAP-CH-DataTypes { 1 ccitt identified-organization (4) etsi (0) mobileDomain (0) 2 gsm-Network (1) modules (3) map-CH-DataTypes (13) version5 (5)} 3 4 DEFINITIONS 5 6 IMPLICIT TAGS 7 8 ::= 9 10 BEGIN 11 12 EXPORTS 13 SendRoutingInfoArg, 14 SendRoutingInfoRes, 15 ProvideRoamingNumberArg, 16 ProvideRoamingNumberRes, 17 R...
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17.7.4 Supplementary service data types
MAP-SS-DataTypes { 1 ccitt identified-organization (4) etsi (0) mobileDomain (0) 2 gsm-Network (1) modules (3) map-SS-DataTypes (14) version5 (5)} 3 4 DEFINITIONS 5 6 IMPLICIT TAGS 7 8 ::= 9 10 BEGIN 11 12 EXPORTS 13 RegisterSS-Arg, 14 SS-Info, 15 SS-Status, 16 SS-SubscriptionOption, 17 SS-ForBS-Code, 18 InterrogateSS-...
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17.7.5 Supplementary service codes
MAP-SS-Code { 1 ccitt identified-organization (4) etsi (0) mobileDomain (0) 2 gsm-Network (1) modules (3) map-SS-Code (15) version5 (5)} 3 4 DEFINITIONS 5 6 ::= 7 8 BEGIN 9 10 ETSI ETSI TS 100 974 V7.3.0 (2000-02) 325 (GSM 09.02 version 7.3.0 Release 1998) SS-Code ::= OCTET STRING (SIZE (1)) 11 -- This type is used to ...
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17.7.6 Short message data types
MAP-SM-DataTypes { 1 ccitt identified-organization (4) etsi (0) mobileDomain (0) 2 gsm-Network (1) modules (3) map-SM-DataTypes (16) version5 (5)} 3 4 DEFINITIONS 5 6 IMPLICIT TAGS 7 8 ::= 9 10 BEGIN 11 12 EXPORTS 13 RoutingInfoForSM-Arg, 14 RoutingInfoForSM-Res, 15 MO-ForwardSM-Arg, 16 MO-ForwardSM-Res, 17 MT-ForwardS...
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17.7.7 Error data types
MAP-ER-DataTypes { 1 ccitt identified-organization (4) etsi (0) mobileDomain (0) 2 gsm-Network (1) modules (3) map-ER-DataTypes (17) version5 (5)} 3 4 DEFINITIONS 5 6 IMPLICIT TAGS 7 8 ::= 9 10 BEGIN 11 12 EXPORTS 13 RoamingNotAllowedParam, 14 CallBarredParam, 15 CUG-RejectParam, 16 SS-IncompatibilityCause, 17 PW-Regis...
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17.7.8 Common data types
MAP-CommonDataTypes { 1 ccitt identified-organization (4) etsi (0) mobileDomain (0) 2 gsm-Network (1) modules (3) map-CommonDataTypes (18) version5 (5)} 3 4 DEFINITIONS 5 6 IMPLICIT TAGS 7 8 ::= 9 10 BEGIN 11 12 EXPORTS 13 14 -- general data types and values 15 AddressString, 16 ISDN-AddressString, 17 maxISDN-AddressLe...
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17.7.9 Teleservice Codes
MAP-TS-Code { 1 ccitt identified-organization (4) etsi (0) mobileDomain (0) 2 gsm-Network (1) modules (3) map-TS-Code (19) version5 (5)} 3 4 DEFINITIONS 5 6 ::= 7 8 BEGIN 9 10 TeleserviceCode ::= OCTET STRING (SIZE (1)) 11 -- This type is used to represent the code identifying a single 12 -- teleservice, a group of tel...
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18 General on MAP user procedures
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18.1 Introduction
Clauses 18 to 25 describe the use of MAP services for GSM signalling procedures. GSM signalling procedures may involve one or several interfaces running one or several application protocols. The present document addresses only the signalling procedures which require at least the use of one MAP service. When a signallin...
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18.2 Common aspects of user procedure descriptions
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18.2.1 General conventions
For each signalling procedure the present document provides a brief textual overview accompanied by a flow diagram which represent the functional interactions between system components. Functional interactions are labelled using the MAP service name when the interaction results from a service request or by this service...
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18.2.2 Naming conventions
Events related to MAP are represented by MAP service primitives. The signal names used in the SDL diagrams are derived from the service primitive names defined in clauses 7 to 12, with some lexical transformations for readability and parsability purposes (blanks between words are replaced by underscores, the first lett...
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18.2.3 Convention on primitives parameters
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18.2.3.1 Open service
When the originating and destination reference parameters shall be included in the MAP-OPEN request primitive, their value are indicated as a comment to the signal which represents this primitive.
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18.2.3.2 Close service
When a pre-arranged released is requested, a comment is attached to the signal which represents the MAP-CLOSE request primitive. In the absence of comment, a normal release is assumed. ETSI ETSI TS 100 974 V7.3.0 (2000-02) 353 (GSM 09.02 version 7.3.0 Release 1998)
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18.2.4 Version handling at dialogue establishment
Unless explicitly indicated in subsequent subclauses, the following principles regarding version handling procedures at dialogue establishment are applied by the MAP-user:
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18.2.4.1 Behaviour at the initiating side
When a MAP user signalling procedure has to be executed, the MAP-user issues a MAP-OPEN request primitive with an appropriate application-context-name. If several names are supported (i.e. several versions) a suitable one is selected using the procedures described in clause 5. If version 2 is selected and a MAP-CLOSE C...
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18.2.4.2 Behaviour at the responding side
On receipt of a MAP-OPEN indication primitive, the MAP-User analyses the application-context-name. If it refers to a version one context, the associated V1 procedure is executed; if it refers to a version two context, the associated V2 procedure is executed, otherwise the associated V3 procedure is executed.
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18.2.5 Abort Handling
Unless explicitly indicated in subsequent subclauses, the following principles are applied by the MAP-user regarding abort handling procedures: On receipt of a MAP-P-ABORT indication or MAP-U-ABORT Indication primitive from any MAP-provider invocation, the MAP-User issues a MAP-U-ABORT Request primitive to each MAP-pro...
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18.2.6 SDL conventions
The MAP SDLs make use of a number of SDL concepts and conventions, where not all of them may be widely known. Therefore, this subclause outlines the use of a few concepts and conventions to improve understanding of the MAP SDLs. The MAP User SDLs make use of SDL Processes, Procedures and Macros. Processes are independe...
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18.3 Interaction between MAP Provider and MAP Users
Each MAP User is defined by at least one SDL process. On the dialogue initiating side the MAP User will create a new instance of a MAP Provider implicit by issuing a MAP-OPEN request. This instance corresponds to a TC Dialogue and lives as long as the dialogue exists (see also subclause 14.3). There is a fix relation b...
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19 Mobility procedures
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19.1 Location management Procedures
For non-GPRS subscribers, this subclause comprises a number of processes to handle the mobile nature of the subscriber. The processes will be addressed by SCCP Sub-System Number (MSC, VLR or HLR) and the Application Context. The following processes are defined in this subclause: Process Update Location Area: Initiator:...
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19.1.1 Location updating
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19.1.1.1 General
The location updating procedure is used to update the location information held in the network. For GPRS subscribers, this procedure describes also updating of the SGSN and, if Gs interface is installed, updating of the VLR in combination with an attach/routing area updating in the SGSN. This location information is us...
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19.1.1.2 Detailed procedure in the MSC
Figure 19.1.1/4 shows the MSC process for location register updating, containing macro calls for: Receive_Open_Cnf subclause 25.1; Authenticate_MSC subclause 25.5; Check_IMEI_MSC subclause 25.6; Obtain_IMSI_MSC subclause 25.8; Trace_Subscriber_Activity_MSC subclause 25.9. For structuring purposes, the second part of th...
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19.1.1.3 Detailed procedure in the VLR
Figure 19.1.1/6 shows the process for location updating in the VLR. The following general macros are used: Receive_Open_Ind subclause 25.1; Receive_Open_Cnf subclause 25.1; Authenticate_VLR subclause 25.5; Check_IMEI_VLR subclause 25.6; Insert_Subscriber_Data_VLR subclause 25.7; Obtain_IMSI_VLR to request the IMSI for ...
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19.1.1.4 Detailed procedure in the HLR
When addressed by the VLR, the following macros are used by the process Update_Location_HLR: - Receive_Open_Ind, defined in subclause 25.1; - Check_indication, defined in subclause 25.2; - Insert_Subs_Data_Framed_HLR, described in subclause 19.4.1; - Control_Tracing_HLR, described in subclause 25.9; and the processes C...
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19.1.1.5 Send Identification
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19.1.1.5.1 General
This service is invoked by a VLR when it receives a MAP_UPDATE_LOCATION_AREA indication containing a LAI indicating that the subscriber was registered in a different VLR (henceforth called the Previous VLR, PVLR). If the identity of the PVLR is derivable for the VLR (usually if both are within the same network), the IM...
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19.1.1.5.2 Detailed procedure in the VLR
The VLR procedure is part of the location area updating process described in subclause 19.1.1.3, see also figure 19.1.1/6 sheet 3.
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19.1.1.5.3 Detailed procedure in the PVLR
On receipt of a dialogue request for the Send Identification procedure, (see Receive_Open_Ind macro in subclause 25.1), the PVLR will: - terminate the procedure in case of parameter problems; - revert to the MAP version Vr procedure in case the VLR indicated version Vr protocol; or - continue as below, if the dialogue ...
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19.1.1.6 The Process Update Location VLR
This process is started by some other MAP user process in case the HLR need to be updated due to previous network failure. It is invoked when the subscriber accesses the network, e.g. for mobile originated call set-up, response to paging or supplementary services handling. Here, location updating consists only of invok...
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19.1.1.7 The Process Subscriber Present HLR
The process Subscriber Present HLR is started by the location updating process in HLR to perform actions required for short message alerting. The process checks the Message Waiting Data flag, and if this is set, the macro Alert_Service_Centre_HLR defined in subclause 25.10 is invoked. This macro will alert all service ...
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19.1.1.8 Detailed procedure in the SGSN
Figure 19.1.1/20 shows the MAP process for updating of the SGSN. The following general macros are used: Receive_Open_Cnf subclause 25.1; Insert_Subscriber_Data_SGSN subclause 25.7; Activate_Tracing_SGSN subclause 25.9; The location updating process The MAP process receives an « Update HLR request » from the relevant pr...
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19.1.2 Location Cancellation
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19.1.2.1 General
The purpose of this process is to delete a subscriber's record from a previous visitor location register after she has registered with a new visitor location register. Also this process is used to delete a subscriber's record from a old SGSN after she has registered with a SGSN. The procedure may also be used if the su...
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19.1.2.2 Detailed procedure in the HLR
The location cancellation process is started by an external process as stated above. The HLR opens a dialogue with the VLR or with the SGSN whose identity is contained in the HLR table (MAP_OPEN request without any user specific parameters), sending the MAP_CANCEL_LOCATION request primitive (see figures 16.1.2/2 and 16...
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19.1.2.3 Detailed procedure in the VLR
Opening of the dialogue is described in the macro Receive_Open_Ind in subclause 25.1, with outcomes: - reversion to version Vr procedure; - procedure termination; or - dialogue acceptance, with processing as below. If the VLR process receives a MAP_NOTICE indication, it terminates the dialogue by sending a MAP_CLOSE re...
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19.1.2.4 Detailed procedure in the SGSN
Opening of the dialogue is described in the macro Receive_Open_Ind in subclause 25.1, with outcomes: - procedure termination; or - dialogue acceptance, with processing as below. If the SGSN process receives a MAP_NOTICE indication, it terminates the dialogue by sending a MAP_CLOSE request. If the SGSN process receives ...
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19.1.3 Detach IMSI
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19.1.3.1 General
On receipt of an A_LU_REQUEST (DETACH IMSI) indication from the radio interface this procedure invokes the MAP_DETACH_IMSI service described in subclause 8.1.5 in order to inform the visitor location register that a subscriber is no longer reachable (see figure 19.1.3/1), e.g. due to switched off station. This informat...
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19.1.3.2 Detailed procedure in the MSC
The MAP_DETACH_IMSI service is invoked by the MSC when receiving an A_LU_Request (DETACH IMSI) for a subscriber (see figure 19.1.3/2). The MSC will open the dialogue to the VLR with a MAP_OPEN request containing no user specific parameters. The MAP_DETACH_IMSI request will contain the following parameter received from ...
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19.1.3.3 Detailed procedure in the VLR
When the VLR receives a MAP_DETACH_IMSI indication (see figure 19.1.3/3), it first checks the indication data (macro Check_Indication, see subclause 25.2). Thereafter it is checked whether the subscriber is known: - if the subscriber is unknown the VLR ignores the indication; - if the subscriber is known in the VLR, th...
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19.1.4 Purge MS
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19.1.4.1 General
When the VLR or the SGSN receives an indication on the O&M interface that the MS record is to be purged (either because of administrative action or because the MS has been inactive for an extended period), this procedure invokes the MAP_PURGE_MS service described in subclause 8.1.6 to request the HLR to set the "MS pur...