Signaling System No.7 Protocol Architecture And Sevices part 69

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Signaling System No.7 Protocol Architecture And Sevices part 69

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Appendix E. ITU-T Q.931 Messages The table in this appendix summarizes Q.931 messages and the purpose of each. Q.931 is the layer 3 protocol of the subscriber signaling system used for ISDN and is known as Digital Subscriber Signaling System No. 1 (DSS 1).

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Nội dung Text: Signaling System No.7 Protocol Architecture And Sevices part 69

  1. Appendix E. ITU-T Q.931 Messages The table in this appendix summarizes Q.931 messages and the purpose of each. Q.931 is the layer 3 protocol of the subscriber signaling system used for ISDN and is known as Digital Subscriber Signaling System No. 1 (DSS 1). It employs a message set that is made for interworking with SS7's ISDN User Part (ISUP). As such, the message set maps to the ISUP message set. Table E-1. Q.931 Messages Binary Message Purpose Code Name Call Establishment Messages 0000 Alerting 0001 Direction: Called User Network and Network Calling User The called user is being alerted; that is, "the 'B' party's phone is ringing." 0000 Call 0010 Proceeding Direction: Called User Network or Network Calling User Call establishment is taking place and, as such, no more call establishment signaling is accepted. 0000 Connect 0111 Direction: Called User Network and Network Calling User The 'B' party has accepted the call; that is, has "answered the phone." 0000 Connect 1111 Acknowledge Direction: Network Called user or Calling User Network
  2. Message sent to indicate that the called user has been awarded the call. If sent to the network by the calling user, the message allows symmetrical call-control procedures. 0000 Progress 0011 Direction: User Network or Network-> User Sent to indicate the progress of a call in the event of interworking or in relation to the provision of in-band information/patterns (for example, announcements). 0000 Setup 0101 Direction: Calling user Network and Network Called User Initial message sent to initiate a call. 0000 Setup 1101 Acknowledge Direction: Called user Network or Network-> Calling User Indicates that call establishment is underway, but additional information might be requested. Call Information Phase Messages 0010 Resume 0110 Direction: User Network Sent request to resume a previously suspended call. 0010 Resume 1110 Acknowledge Direction: Network User Indicates to the user that the request to resume a suspended call has been completed. 0010 Resume Reject 0010 Direction: Network User Indicates to the user that a failure occurred while trying to resume a suspended call.
  3. 0010 Suspend 0101 Direction: User Network Sent to request that a call be suspended. 0010 Suspend 1101 Acknowledge Direction: Network User Informs the user that a request to suspend a call has been completed. 0010 Suspend 0001 Reject Direction: Network User Informs the user that a request to suspend a call cannot be completed. 0010 User 0000 Information Direction: User Network and Network User Sent to transfer information to the remote user. Call Clearing Messages 0100 Disconnect 0101 Direction: User Network or Network User When sent by the network, indicates that the connection has been cleared end-to-end. When sent from user to network, it is used to request tear down of an end-to- end connection. 0100 Release 1101 Direction: User Network or Network User Indicates that the channel has been disconnected by the equipment sending the message, and that it intends to release the channel along with the call reference. As a result, the receiving equipment should release the channel and call references after sending a RELEASE COMPLETE. 0101 Release 1010 Complete Direction: User Network or Network User
  4. Sent to indicate that the equipment sending the message has released the channel and the call reference. The channel is ready for reuse and the receiving equipment shall release the call reference. 0100 Restart 0110 Direction: User Network or Network User Sent to request that the recipient restarts (returns to idle) the indicated channels or interfaces. 0100 Restart 1110 Acknowledge Direction: User Network or Network User Sent to acknowledge a RESTART message and to indicate that the requested restart has been completed. Miscellaneous Messages 0111 Congestion 1001 Control Direction: Network User or User Network Sent to indicate the beginning or ending of flow control on the transmission of USER INFORMATION messages. 0111 Information 1011 Direction: User - > Network or Network User Provides additional information in the case of overlap signaling for call establishment, for example, or for other miscellaneous call-related information. 0110 Notify 1110 Direction: User Network or Network User Indicates information relating to the call, such as when a user has suspended a call. 0111 Status 1101 Direction: Network User or User Network Indicates the current call state in terms of Q.931 state machine and is sent in response to a Status Enquiry
  5. message. Is also used to report certain error conditions at any time during a call. 0111 Status Enquiry 0101 Direction: User Network or Network User Requests a STATUS message, the sending of which is mandatory. 0110 Segment Used for segmented messages. 0000 < Day Day Up > < Day Day Up >
  6. GSM MAP Operations Table F-1. GSM MAP Operations Operation Binary Code Location Registration Operations UpdateLocation 00000010 CancelLocation 00000011 PurgeMS 01000011 SendIdentification 00110111 GPRS Location Registration Operations UpdateGprsLocation [3G] 00010111 Subscriber Information Enquiry Operations ProvideSubscriberInfo [3G] 01000110 Any Time Information Enquiry Operations AnyTimeInterrogation [3G] 01000111 Any Time Information Handling Operations AnyTimeSubscriptionInterrogation [3G] 00111110 AnyTimeModification [3G] 01000001 Subscriber Data Modification Notification Operations NoteSubscriberDataModified [3G] 00000101 Handover Operations PerformHandover [P1] 00011100 PrepareHandover 01000100 SendEndSignal 00011101 ProcessAccessSignaling 00100010 ForwardAccessSignaling 00100010 PerformSubsequentHandover [P1] 00011110
  7. PrepareSubsequentHandover 01000101 Authentication Management Operations SendAuthenticationInfo 00111000 AuthenticationFailureReport [3G] 00001111 IMEI Management Operations CheckIMEI 00101011 Subscriber Management Operations SendParameters [P1O] 00001001 InsertSubscriberData 00000111 DeleteSubscriberData 00001000 Fault Recovery Management Operations Reset 00100101 ForwardChecksIndication 00100110 RestoreData 00111001 GPRS Location Information Retrieval Operations SendRoutingInfoForGprs [3G] 00011000 Failure Reporting Operations FailureReport [3G] 00011001 GPRS Notification Operations NoteMsPresentForGprs [3G] 00011010 Mobility Management Operations NoteMmEvent [3G] 01011001 Operation and Maintenance Operations ActivateTraceMode 00110010 DeactivateTraceMode 00110011 TraceSubscriberActivity [P1O] 01010010 NoteInternalHandover [P1O] 00110101
  8. SendIMSI 00111010 Call Handling Operations SendRoutingInfo 00010110 ProvideRoamingNumber 00000100 ResumeCallHandling [3G] 00000110 ProvideSIWFSNumber [3G] 00011111 Siwfs-SignallingModify [3G] 00100000 SetReportingState [3G] 01001001 StatusReport [3G] 01001010 RemoteUserFree [3G] 01001011 Ist-Alert [3G] 01010111 Ist-Command [3G] 01011000 Supplementary Service Operations RegisterSS 00001010 EraseSS 00001011 ActivateSS 00001100 DeactivateSS 00001101 InterrogateSS 00001110 ProcessUnstructuredSsData 00011001 ProcessUnstructuredSsRequest 00111011 UnstructuredSsRequest 00111100 UnstructuredSsNotify 00111101 RegisterPassword 00010001 GetPassword 00010010 BeginSubscriberActivity [P1O] 01010100 SsInvocationNotification [3G] 01001000 RegisterCcEntry [3G] 01001100
  9. EraseCcEntry [3G] 01001101 Short Message Service Operations SendRoutingInfoForSM 00101101 ForwardSM 00101110 MoForwardSM [3G] MtForwardSM [3G] 00101100 ReportSmDeliveryStatus 00101111 NoteSubscriberPresent [P1O] 01001000 AlertServiceCentreWithoutResult [P1O] 01001001 AlertServiceCentre 01000000 InformServiceCentre 00111111 ReadyForSM 01000010 Group Call Operations PrepareGroupCall [3G] 00100111 SendGroupCallEndSignal [3G] 00101000 ProcessGroupCallSignaling [3G] 00101001 ForwardGroupCallSignaling [3G] 00101010 Location Service Operations SendRoutingInfoForLCS [3G] 01010101 ProvideSubscriberLocation [3G] 01010011 SubscriberLocationReport [3G] 01010110 Secure Transport Operations SecureTransportClass1 [3G] 01001110 SecureTransportClass2 [3G] 01001111 SecureTransportClass3 [3G] 01010000 SecureTransportClass4 [3G] 01010001
  10. Key: P1O = Specified for use in MAP Phase 1 only (no longer published). 3G = Found in 3GPP R6 MAP Phase 3 specification [115], but not in ETSI MAP Phase 2 [116].  
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