hash
stringlengths
32
32
doc_id
stringlengths
7
13
section
stringlengths
3
121
content
stringlengths
0
2.2M
4adb5594a028990749bbb6b19a2cf30e
101 043
6.2.3 Call Forwarding on No Reply (CFNRy)
The basic call handling process ICH_VLR interacts with the process MAF009 (ETS 300 543 [8]) as described in subclause 7.3.2
4adb5594a028990749bbb6b19a2cf30e
101 043
6.2.4 Call Forwarding on mobile subscriber Not Reachable (CFNRc)
The basic call handling processes SRI_HLR and ICH_VLR interact with the process MAF010 (ETS 300 543 [8]) as described in subclauses 7.2.2 and 7.3.2
4adb5594a028990749bbb6b19a2cf30e
101 043
6.3 Call wait (GSM 03.83)
The basic call handling process ICH_VLR interacts with the process MAF013(ETS 300 544 [9]) as described in subclause 7.3.2. Further details of the handling of call waiting are given in subclauses 7.3.1 and 7.3.2. ETSI TS 101 043 V5.6.0 (1998-11) 19 GSM 03.18 version 5.6.0 Release 1996
4adb5594a028990749bbb6b19a2cf30e
101 043
6.4 Call hold (GSM 03.83)
Invocation of call hold before a basic call has been established will be rejected.
4adb5594a028990749bbb6b19a2cf30e
101 043
6.5 Multiparty (GSM 03.84)
Invocation of multiparty before a basic call has been established will be rejected.
4adb5594a028990749bbb6b19a2cf30e
101 043
6.6 Closed user group (GSM 03.85)
The basic call handling process OCH_VLR interacts with the process CUG_MAF014 (ETS 300 546 [11]) as described in subclause 7.1.2. The basic call handling process SRI_HLR interacts with the process CUG_MAF015 (ETS 300 546 [11]) as described in subclause 7.2.2. The interactions between call forwarding and CUG (ETS 300 54...
4adb5594a028990749bbb6b19a2cf30e
101 043
6.7 Advice of charge (GSM 03.86)
The interactions between Advice of Charge (ETS 300 547 [12]) and MO calls are handled as described in subclauses 7.1.1 and 7.1.2. The interactions between Advice of Charge (ETS 300 547 [12]) and MT calls are handled as described in subclauses 7.3.1 and 7.3.2.
4adb5594a028990749bbb6b19a2cf30e
101 043
6.8 Call barring (GSM 03.88)
4adb5594a028990749bbb6b19a2cf30e
101 043
6.8.1 Barring of outgoing calls
The basic call handling process OCH_VLR interacts with the processes MAF017, MAF018 and MAF020 (ETS 300 548 [13]) as described in subclause 7.1.2.
4adb5594a028990749bbb6b19a2cf30e
101 043
6.8.2 Barring of incoming calls
The basic call handling process SRI_HLR interacts with the processes MAF022 and MAF023 (ETS 300 548 [13]) as described in subclause 7.2.2.
4adb5594a028990749bbb6b19a2cf30e
101 043
6.9 Explicit Call Transfer (GSM 03.91)
There is no interaction between Explicit Call Transfer and the basic call handling described in this specification.
4adb5594a028990749bbb6b19a2cf30e
101 043
7 Functional requirements of network entities
The text in this clause is a supplement to the definition in the SDL diagrams; it does not duplicate the information in the SDL diagrams. The entities described in this clause interwork with other entities over three different types of interface: - The A interface, used to interwork between the MSC and the BSS or the M...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1 MO call
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.1 Functional requirements of serving MSC
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.1.1 Process OCH_MSC
Sheet 1: the variable TCH allocated is global data, accessible to the procedure Establish_Originating_TCH_If_Required.
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.1.2 Procedure Process_Access_Request_MSC
Sheet 1, sheet 2: instead of using the explicit procedure Obtain_IMEI_MSC, the MSC may encapsulate the request for the IMEI in the Start ciphering request; the BSS relays the response in the Cipher Mode complete message to the MSC. Sheet 2: the MSC maps the negative response received on the B interface to the appropria...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.1.3 Procedure OG_Call_Setup_MSC
Sheet 1: the variables Alerting sent and MS connected are global data, accessible to the procedures Send_Alerting_If_Required and Send_Access_Connect_If_Required. Sheet 1: the MSC converts the GSM bearer capability negotiated between the MSC and the MS to a GSM basic service according to the rules defined in ETS 300 58...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.1.4 Procedure Obtain_IMSI_MSC
The MS may terminate the transaction with the network while the MSC is waiting for the MS to return its IMSI. If a CC connection has not been established, the MS uses CM Service Abort; otherwise it uses a Release, Release Complete or Disconnect. The MSC aborts the transaction with the VLR and returns an aborted result ...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.1.5 Procedure Authenticate_MSC
The MS may terminate the transaction with the network while the MSC is waiting for the MS to respond to an authentication request. If a CC connection has not been established, the MS uses CM Service Abort; otherwise it uses a Release, Release Complete or Disconnect. The MSC aborts the transaction with the VLR and retur...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.1.6 Procedure Obtain_IMEI_MSC
The MS may terminate the transaction with the network while the MSC is waiting for the MS to return its IMEI. If a CC connection has not been established, the MS uses CM Service Abort; otherwise it uses a Release, Release Complete or Disconnect. The MSC aborts the transaction with the VLR and returns an aborted result ...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.1.7 Procedure Check_IMEI_MSC
The MS may terminate the transaction with the network while the MSC is waiting for the MS to return its IMEI. If a CC connection has not been established, the MS uses CM Service Abort; otherwise it uses a Release, Release Complete or Disconnect. The MSC aborts the transaction with the VLR and returns an aborted result ...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.1.8 Procedure Establish_Originating_TCH_If_Required
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.1.9 Procedure Set_CLI_Presentation_Indicator_MSC
The MS may terminate the transaction with the network by sending a Release transaction message while a response is awaited from the process CLIR_MAF004. The message is saved for processing after return from the procedure.
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.1.10 Procedure Send_Alerting_If_Required
The test "Backward call indicator=no indication" refers to the called party’s status field in the backward call indicators parameter of the ISUP Address Complete message which triggered the call of the procedure Send_Alerting_If_Required. If no useful information would be carried in the Progress message, it is not sent...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.1.11 Procedure Set_COLP_Info_MSC
The MS may terminate the transaction with the network by sending a Release transaction message while a response is awaited from the process COLP_MAF006. The message is saved for processing after return from the procedure.
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.1.12 Procedure Send_Access_Connect_If_Required
The test "Acknowledgement required" refers to the result returned by the procedure Handle_AoC_MSC. If the MSC does not support AoC, processing continues from the "No" exit of the test "Acknowledgement required". If no useful information would be carried in the Facility message, it is not sent.
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.1.13 Procedure Handle_AoC_MO_MSC
The charging parameters and the Boolean variable Acknowledgement required are global data which can be read by the parent process. ETSI TS 101 043 V5.6.0 (1998-11) 23 GSM 03.18 version 5.6.0 Release 1996 Process in the MSC to handle an outgoing call request Process OCH_MSC OCH_MSC1(1) Signals from the left are from the...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.2 Functional requirements of VLR
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.2.1 Process OCH_VLR
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.2.2 Procedure Process_Access_Request_VLR
Sheet 1: it is a network operator decision (subject to MoU requirements) how often an MS should be authenticated. Sheet 2: the processes Update_Location_VLR and Subscriber_Present_VLR are described in ETS 300 599 [17]. Sheet 2: it is a network operator decision (subject to MoU requirements) whether a connection should ...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.2.3 Procedure OG_Call_Subscription_Check_VLR
Sheet 1: it is an implementation option to carry out the check for operator determined barring of all outgoing calls before the check on provisioning of the requested basic service. Sheet 1: the procedure OG_CUG_Check is specific to CUG. If the VLR does not support CUG, processing continues from the "Yes" exit of the t...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.2.4 Procedure Obtain_Identity_VLR
It is a network operator decision whether open (unciphered) identification of the MS by its IMSI is allowed.
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.2.5 Procedure Obtain_IMSI_VLR
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.2.6 Procedure Authenticate_VLR
Sheet 1: the number of unused authentication sets which triggers the VLR to request further authentication sets from the HLR is an operator option.
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.2.7 Procedure Obtain_Authentication_Sets_VLR
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.2.8 Procedure Start_Tracing_VLR
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.2.9 Procedure Check_IMEI _VLR
If the response from the EIR to a request to check an IMEI is: - blacklisted, then service is not granted; - greylisted, then service is granted, but the network operator may decide to initiate tracing; - whitelisted, then service is granted. ETSI TS 101 043 V5.6.0 (1998-11) 42 GSM 03.18 version 5.6.0 Release 1996
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.2.10 Procedure Obtain_IMEI _VLR
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.2.11 Process Fetch_Authentication_Sets_VLR
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.2.12 Procedure Check_BAOC
Sheet 1: if the VLR receives an Abort message from the MSC while it is awaiting a response from the process MAF017, the message is saved for handling after return from the procedure.
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.2.13 Procedure OG_CUG_Check
If the VLR receives an Abort message from the MSC while it is awaiting a response from the process MAF014, the message is saved for handling after return from the procedure.
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.2.14 Procedure Get_LI_Subscription_Info_MO_VLR
If the VLR does not support CLIR, it omits the signal interchange with the process CLIR_MAF003. If the VLR does not support COLP, it omits the signal interchange with the process COLP_MAF005. If the VLR receives an Abort message from the MSC while it is awaiting a response from the process CLIR_MAF003 or the process CO...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.2.15 Procedure Get_AoC_Subscription_Info_VLR
The indicator of whether or not AoC is provisioned is global data which can be read by the parent process.
4adb5594a028990749bbb6b19a2cf30e
101 043
7.1.2.16 Procedure Check_OG_Barring
Sheet 2: if the VLR receives an Abort message from the MSC while it is awaiting a response from the process MAF018 or MAF019, the message is saved for handling after return from the procedure. ETSI TS 101 043 V5.6.0 (1998-11) 43 GSM 03.18 version 5.6.0 Release 1996 Process in the VLR to handle an outgoing (MO) call set...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.2 Retrieval of routeing information for MT call
4adb5594a028990749bbb6b19a2cf30e
101 043
7.2.1 Functional requirements of GMSC
4adb5594a028990749bbb6b19a2cf30e
101 043
7.2.1.1 Process MT_GMSC
Sheet 1: the variables ACM sent, Answer sent and Network connect sent are global data, accessible to the procedures Send_ACM_If_Required, Send_Answer_If_Required and Send_Network_Connect_If_Required. Sheet 1: the procedure OR_Set_ORA_Parameters is specific to Support of Optimal Routeing; it is specified in TS 101 045 [...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.2.1.2 Procedure Obtain_Routeing_Address
Sheet 1: the variables ACM sent, Answer sent and Network connect sent are global data, accessible to the procedures Send_ACM_If_Required, Send_Answer_If_Required and Send_Network_Connect_If_Required. Sheet 1: The procedure OR_Handle_SRI_Negative_Response is specific to Support of Optimal Routeing. It is specified in TS...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.2.1.3 Procedure Send_ACM_If_Required
If no useful information would be carried in the Progress message, it is not sent.
4adb5594a028990749bbb6b19a2cf30e
101 043
7.2.1.4 Procedure Send_Answer_If_Required
If no useful information would be carried in the Progress message, it is not sent.
4adb5594a028990749bbb6b19a2cf30e
101 043
7.2.1.5 Procedure Send_Network_Connect_If_Required
If no useful information would be carried in the Progress message, it is not sent.
4adb5594a028990749bbb6b19a2cf30e
101 043
7.2.1.6 Procedure Handle_COLP_Forwarding_Interaction_MSC
The originating exchange or the destination exchange may release the call while a response is awaited from the process COLP_MAF039. The message is saved for processing after return from the procedure. ETSI TS 101 043 V5.6.0 (1998-11) 70 GSM 03.18 version 5.6.0 Release 1996
4adb5594a028990749bbb6b19a2cf30e
101 043
7.2.1.7 Procedure Activate_CF_Process
The processing in the branch beginning with the Int_Release_Call input will occur only if the MSC supports CAMEL.
4adb5594a028990749bbb6b19a2cf30e
101 043
7.2.1.8 Process MT_CF_MSC
Sheet 1: the procedure CAMEL_CF_MSC_INIT is specific to CAMEL; it is specified in TS 101 044 [5]. If the MSC does not support CAMEL, processing continues from the "Yes" exit of the test "Result=Pass?". Sheet 1: the processing in the branch beginning with the input signal "OR cancelled" is specific to Support of Optimal...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.2.2 Functional requirements of HLR
4adb5594a028990749bbb6b19a2cf30e
101 043
7.2.2.1 Process SRI_HLR
Sheet 1: the procedures Check_Parameters, Subscription_Check_HLR, Handle_OR_HLR_CF and CAMEL_HLR_INIT can set the negative response parameter which is used by the process SRI_HLR to construct the Send Routeing Info negative response message. This negative response parameter is global data, accessible by the process SRI...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.2.2.2 Procedure Check_Parameters
If any parameters required by the rules in clause 8 are missing from the message, the procedure sets the negative response to "Data missing". If any parameter has a value which is not in the set of values expected for the parameter, the procedure sets the negative response to "Unexpected data value".
4adb5594a028990749bbb6b19a2cf30e
101 043
7.2.2.3 Procedure Subscription_Check_HLR
It is an implementation option to carry out the check for operator determined barring of incoming calls before the check on provisioning of the requested basic service. The negative response "Call barred" indicates whether the reason is operator determined barring or supplementary service barring, according to the resu...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.2.2.4 Procedure First_Forwarding_HLR
The MS is not reachable if any of the following conditions is satisfied: - The HLR has no location information for the subscriber; - The subscriber record is marked as MS purged; - The subscriber record is marked as MSC area restricted; - The subscriber record is marked as Roaming Restricted due to Unsupported Feature;...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.2.2.5 Procedure PRN_Error_HLR
If the HLR does not support Optimal Routeing, processing starts with the test “Negative response=Facility not supported?”.
4adb5594a028990749bbb6b19a2cf30e
101 043
7.2.2.6 Procedure Forward_CUG_Check
4adb5594a028990749bbb6b19a2cf30e
101 043
7.2.2.7 Procedure Derive_Requested_Basic_Service_HLR
The rules for deriving a GSM bearer capability from ISDN compatibility information or the MSISDN of the B subscriber are specified in ETS 300 604 [18]. If a GSM bearer capability cannot be derived from the ISDN compatibility information or the MSISDN of the B subscriber, the HLR applies a default basic service accordin...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.2.2.8 Procedure Check_IC_Barring
4adb5594a028990749bbb6b19a2cf30e
101 043
7.2.2.9 Procedure IC_CUG_Check
4adb5594a028990749bbb6b19a2cf30e
101 043
7.2.2.10 Procedure Handle_CFU
The test "Normal call" refers to the value of the indicator returned by the process MAF007.
4adb5594a028990749bbb6b19a2cf30e
101 043
7.2.2.11 Procedure Handle_CFNRc
The test "Mobile subscriber not reachable" refers to the value of the indicator returned by the process MAF010. ETSI TS 101 043 V5.6.0 (1998-11) 89 GSM 03.18 version 5.6.0 Release 1996 Process in the HLR to handle a request for routeing information Process SRI_HLR SRI_HLR1(3) Signals to/from the left are to/from the GM...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.2.3 Functional requirements of VLR
4adb5594a028990749bbb6b19a2cf30e
101 043
7.2.3.1 Process PRN_VLR
Sheet 1: the procedure Check_Parameters is specified in subclause 7.2.2.2. Sheet 2, sheet 3: the procedure CAMEL_SET_SOA is specific to CAMEL; it is specified in TS 101 044 [5]. Sheet 2, sheet 3: the task "Store alerting pattern (if received)" is executed only if the VLR supports the feature Network Indication of Alert...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.2.3.2 Process Restore_Subscriber_Data_VLR
4adb5594a028990749bbb6b19a2cf30e
101 043
7.2.3.3 Process PSI_VLR
Sheet 1: the procedure Check_Parameters is specified in subclause 7.2.2.2. If the HLR requests neither location information nor subscriber state, the VLR treats this as a missing parameter. Sheet 2: the task "Set Location Info" encompasses: - Insertion of the cell ID if it was received from the MSC, otherwise retrieval...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.2.4 Functional requirements of MSC
4adb5594a028990749bbb6b19a2cf30e
101 043
7.2.4.1 Process OSI_MSC
If the MS is engaged on a circuit-switched call, the state is busy, otherwise assumed idle. ETSI TS 101 043 V5.6.0 (1998-11) 110 GSM 03.18 version 5.6.0 Release 1996 Process in the MSC to handle a request from the VLR for information on the subscriber's location and state Process OSI_MSC OSI_MSC1(1) Signals to/from the...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.3 MT call
4adb5594a028990749bbb6b19a2cf30e
101 043
7.3.1 Functional requirements of serving MSC
4adb5594a028990749bbb6b19a2cf30e
101 043
7.3.1.1 Process ICH_MSC
Sheet 1: the rules for converting the ISDN BC/LLC/HLC to a GSM bearer service or teleservice are specified in ETS 300 604 [18]. Sheet 1: the variables TCH allocated, ACM sent, Answer sent and Network connect sent are global data, accessible to the procedures Establish_Terminating_TCH_If_Required, Send_ACM_If_Required, ...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.3.1.2 Procedure Page_MS_MSC
Sheet 1: the test "MS connection exists" takes the "Yes" exit if there is a radio connection established between the MS and the network. Sheet 1: for an SMS or SS page, the test "Call still exists" takes the "Yes" exit if the SMS or SS transaction which led to the page still exists. Sheet 1: the test "SMS or SS page" i...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.3.1.3 Procedure Search_For_MS_MSC
Sheet 1: the test "MS connection exists" takes the "Yes" exit if there is a radio connection established between the MS and the network. Sheet 1: for an SMS or SS page, the test "Call still exists" takes the "Yes" exit if the SMS or SS transaction which led to the page still exists. Sheet 1: the test "SMS or SS page" i...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.3.1.4 Procedure Complete_Call_In_MSC
Sheet 1: the procedure Set_CLIP_Info_MSC is specific to CLIP. Sheet 1: the MSC and the MS may negotiate the bearer capability to be used for the call by the exchange of information in the Setup and Call Confirmed messages. Sheet 2: the procedure Send_ACM_If_Required is specified in subclause 7.2.1.3. Sheet 2, sheet 3: ...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.3.1.5 Procedure Process_Call_Waiting_MSC
Sheet 1: the procedure Set_CLIP_Info_MSC is specific to CLIP. Sheet 1: the MSC and the MS may negotiate the bearer capability to be used for the call by the exchange of information in the Setup and Call Confirmed messages. Sheet 1: the Call Confirmed message indicates "busy" for the successful case. Sheet 1: the proced...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.3.1.6 Procedure Set_CLIP_Info_MSC
The originating exchange may release the call or the MS may terminate the transaction with the network by sending a Release transaction message while a response is awaited from the process CLIP_MAF002. The message is saved for processing after return from the procedure.
4adb5594a028990749bbb6b19a2cf30e
101 043
7.3.1.7 Procedure Derive_GSM_BC_MSC
4adb5594a028990749bbb6b19a2cf30e
101 043
7.3.1.8 Procedure Establish_Terminating_TCH_If_Required
4adb5594a028990749bbb6b19a2cf30e
101 043
7.3.1.9 Procedure Handle_AoC_MT_MSC
4adb5594a028990749bbb6b19a2cf30e
101 043
7.3.1.10 Procedure Set_COL_Presentation_Indicator_MSC
The originating exchange may release the call or the MS may terminate the transaction with the network by sending a Release transaction message while a response is awaited from the process COLP_MAF041. The message is saved for processing after return from the procedure. ETSI TS 101 043 V5.6.0 (1998-11) 114 GSM 03.18 ve...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.3.2 Functional requirements of VLR
4adb5594a028990749bbb6b19a2cf30e
101 043
7.3.2.1 Process ICH_VLR
Sheet 1: if the MSRN received in the Send Info For Incoming Call is not allocated or there is no IMSI record for the IMSI identified by the MSRN, this is treated as an unknown MSRN. Sheet 2: the test "NDUB?" takes the "Yes" exit if the Page MS negative response or the Search for MS negative response had the value Busy ...
4adb5594a028990749bbb6b19a2cf30e
101 043
7.3.2.2 Procedure Derive_Requested_Basic_Service_VLR
If the VLR did not receive a basic service for the call in the Send Info For Incoming Call, and did not receive a GSM bearer capability in the Provide Roaming Number, it applies a default basic service according to the requirements of the operator.
4adb5594a028990749bbb6b19a2cf30e
101 043
7.3.2.3 Procedure Search_For_MS_VLR
4adb5594a028990749bbb6b19a2cf30e
101 043
7.3.2.4 Procedure Get_CW_Subscription_Info_VLR
The MSC may abort the transaction with the VLR while a response is awaited from the process MAF013. The message is saved for processing after return from the procedure.
4adb5594a028990749bbb6b19a2cf30e
101 043
7.3.2.5 Procedure Get_LI_Subscription_Info_MT_VLR
The MSC may abort the transaction with the VLR while a response is awaited from the process CLIP_MAF001 or the process COLR_MAF040. The message is saved for processing after return from the procedure.
4adb5594a028990749bbb6b19a2cf30e
101 043
7.3.2.6 Procedure Handle_CFB
The test "Normal call busy" refers to the value of the indicator returned by the process MAF008.
4adb5594a028990749bbb6b19a2cf30e
101 043
7.3.2.7 Procedure Handle_CFNRy
The test "Normal call" refers to the value of the indicator returned by the process MAF009. ETSI TS 101 043 V5.6.0 (1998-11) 137 GSM 03.18 version 5.6.0 Release 1996 Process in VLRB to handle a request for information for an incoming (MT) call Process ICH_VLR ICH_VLR1(6) Signals to/from the left are to/from the MSC. Id...
4adb5594a028990749bbb6b19a2cf30e
101 043
8 Contents of messages
This clause specifies the content of each message shown in clauses 5 & 7, except for the following messages, which are not specific to call handling: On the D interface (VLR-HLR): - Abort; - Activate Trace Mode - Insert Subscriber Data - Send Authentication Info; - Send Authentication Info ack; - Send Authentication In...
4adb5594a028990749bbb6b19a2cf30e
101 043
8.1 Messages on the B interface (MSC-VLR)
4adb5594a028990749bbb6b19a2cf30e
101 043
8.1.1 Abort
The following information element is required: Information element name Required Description Abort reason M Indicates the reason for the procedure being aborted.
4adb5594a028990749bbb6b19a2cf30e
101 043
8.1.2 Authenticate
The following information elements are required: Information element name Required Description RAND M Random number challenge to be sent to the MS (ETS 300 534 [3]) CKSN M Cipher key sequence number to be sent to the MS (ETS 300 534 [3])
4adb5594a028990749bbb6b19a2cf30e
101 043
8.1.3 Authenticate ack
The following information element is required: Information element name Required Description SRES M Signature result returned by the MS (ETS 300 534 [3])
4adb5594a028990749bbb6b19a2cf30e
101 043
8.1.4 Check IMEI
This message contains no information elements.
4adb5594a028990749bbb6b19a2cf30e
101 043
8.1.5 Check IMEI ack
The following information element is required: ETSI TS 101 043 V5.6.0 (1998-11) 150 GSM 03.18 version 5.6.0 Release 1996 Information element name Required Description Equipment status M Indicates whether the ME is black-listed, grey-listed or white-listed
4adb5594a028990749bbb6b19a2cf30e
101 043
8.1.6 Check IMEI negative response
The negative response information element can take the following values: - System failure; - Unknown equipment.