ANSI TIA-41.512-E-2004 Part 512 Wireless Radiotelecommunications Intersystem Operations C IT SS7 Transport Signaling Protocols《移动应用程序部分.参数类型信令协议》.pdf

1、 TIA-41.512-E (Revision of TIA-41.D) October 2010 Part 512: Wireless Radiotelecommunications Intersystem Operations IT/SS7 Transport Signaling Protocols ANSI/TIA-41.512-E-2004 APPROVED: APRIL 20, 2004 REAFFIRMATION: SEPTEMBER 1, 2010 NOTICE TIA Engineering Standards and Publications are designed to

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6、ty of regulatory limitations before its use. (From Standards Proposal No. 3-3590.512-RV5, formulated under the cognizance of the TIA TR-45.2 Subcommittee on Wireless Intersystem Technology.) Published by TELECOMMUNICATIONS INDUSTRY ASSOCIATION Standards and Technology Department 2500 Wilson Boulevar

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18、TS HEREOF, AND THESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. TIA-41-512-E123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960512-1 ITU-T SS7-BASED DATA TRANSFER SERVICESPART 5121 ITU-T SS7-BASED DATA TRANSFER SERVICE

19、S The ITU-T SS7-based Data Transfer Services are comprised of the InternationalTelecommunications Union Signaling System 7 Message Transfer Part (MTP) plus SignalingConnection Control Part (SCCP).1.1 MESSAGE TRANSFER PARTThe MTP is defined in ITU-T Q.701 - Q.710, with the following supplemental info

20、rmation.The MAP messages that are transported on an intersystem basis may be assigned a message priorityvalue of either 0 or 1. The INVOKE, RETURN RESULT, RETURN ERROR, and REJECTcomponents associated with the same operation (e.g., LocationRequest) shall have the samemessage priority value. The reco

21、mmended message priority values are as described inTIA-41-511-E Section 1 Message Transfer Part.The message priority value may be determined by the TIA-41 MAP based on the message type andmay be passed down to the MTP through the SCCP.TIA-41-512-ESIGNALING CONNECTION CONTROL PART12345678910111213141

22、5161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960512-21.2 SIGNALING CONNECTION CONTROL PARTFor TIA-41 applications, the SCCP is defined in ITU-T Q.711 - Q.714, with the following exceptionsand limitations: The SCCP Class 0 connectionless service is requested

23、 from the SCCP. (However, in accordancewith SCCP procedures, if a TIA-41 message is segmented by the SCCP, the sequence of XUDTmessages carrying the segments is sent using SCCP Class 1 sequenced connectionless service.The In-Sequence Delivery Option field of the segmentation parameter within each of

24、 the XUDTmessages is set to 0 to reflect the original request for Class 0 service) Whether to set the return message on error or discard message on error option in the ProtocolClass parameter of the UDT or XUDT message is at the discretion of the implementation. Ifreturn message on error is requeste

25、d by the SCCP user for a segmented message, then only thefirst XUDT message shall have return message on error requested. Use of the following SSN values is recommended:- 5:Mobile Application Part (MAP)- 6:Home Location Register (HLR)- 7:Visitor Location Register (VLR)- 8:Mobile Switching Center (MS

26、C)- 9:Equipment Identification Register(EIR)/Equipment Identification Center (EIC)(reserved)1- 10:Authentication Center (AC/AUC)- TBD: Short Message Service (SMS)2- TBD: Over-The-Air Service Provisioning Function3 In accordance with ITU-T Q.713 an SSN is recommended to be included in all messages ev

27、enif message routing is based on Global Title Translation (GTT). The null SSN (i.e., value 0)should be used when the subsystem is not known (e.g., before a global title translation takesplace). Global title addressing is required on the SCCP Called Party Address and the SCCP CallingParty Address for

28、 international roaming purposes. Global Title Translation on Mobile Identification Number (MIN) for communication with anHLR or MC is left to mutual agreement.1Detailed transactions relative to SSN value 9 are for further study.2The value to be assigned by the carrier.3The value to be assigned by th

29、e carrier.TIA-41-512-E123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960512-3 SIGNALING CONNECTION CONTROL PART Global Title Translation on International Mobile Subscriber Identity (IMSI) can be used forcommunication with the HLR on the sa

30、me or a different national SS7 network. It may also beused for communication to any network element that is identified by an E.212 formatted addresson the same or a different national SS7 network. The following encoding may be used: Table 1 ITU-T SS7 - E.212 Global TitleField Sub-field ValueAddress

31、Indicator Point Code Indicator (PCI) 0 or 1SSN Indicator (SSNI) 1Global Title Indicator (GTI)4 (01002)Routing Indicator (RI) 0Reserved for national use 0 (international use) or 1 (national use)Note: The national/international indicator is intended to indicate the “format“ of the encoding and not the

32、 national or international nature of the type of address. A national/international indicator = 0 means that both the address indicator and the address are encoded according to international specifications. A national/international indicator = 1 means that both the address indicator and the address a

33、re encoded according to national specifica-tions.Subsystem Number Include applicable value if known or zero.Global Title Translation Type 0 Encoding Scheme 1=odd number of digits, 2=evenNumbering Plan 6 (01102)Nature of address indicator4 (00001002)Address Information E.212 IMSI or other E.212 forma

34、tted addressTIA-41-512-ESIGNALING CONNECTION CONTROL PART123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960512-4 Global Title Translation on Mobile Identification Number or International Mobile StationIdentity can be used for communication

35、 with a Message Center based on mutual agreements. Global Title Translation on Mobile Directory Number can be used for routing messages to anHLR connected to the same or different national signaling networks. The following encodingmay be used: When an originating network entity sends an SS7 message

36、within a national SS7 signalingnetwork with a global title in the SCCP called party address field, the SCCP calling partyaddress field should include the point code and subsystem number of the originating networkentity.Table 2 ITU-T SS7 - E.164 Global TitleField Sub-field ValueAddress Indicator Poin

37、t Code Indicator (PCI) 0 or 1SSN Indicator (SSNI) 1Global Title Indicator (GTI)4 (01002)Routing Indicator (RI) 0Subsystem Number Reserved for national use 0 (international use) or 1 (national use)Note: The national/international indicator is intended to indicate the “format“ of the encoding and not

38、the national or international nature of the type of address. A national/international indicator = 0 means that both the address indicator and the address are encoded according to international specifications. A national/international indicator = 1 means that both the address indicator and the addres

39、s are encoded according to national specifica-tions.Subsystem Number Include applicable value if known or zero.Global Title Translation Type 0 Encoding Scheme 1=odd number of digits, 2=evenNumbering Plan 1 (00012)Nature of address indicator4 (00001002)Address Information E.164 Mobile directory numbe

40、rTIA-41-512-E123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960512-5 SIGNALING CONNECTION CONTROL PART When an originating network entity sends an SS7 message across a national SS7 signalingnetwork boundary, the SCCP calling party address

41、field should include an E.212 global titleaddress identifying the originating network entity to allow response messages (RETURNRESULT, RETURN ERROR, or REJECT) to be routed back to the originating network entity. Replies to messages shall use the received Calling Party Address as the Called Party Ad

42、dress.(An exception occurs, if the PC_SSN parameter is received in an AuthenticationRequestINVOKE or in a RegistrationNotification INVOKE. In this case,the address used for theresponse may be derived from the received PC_SSN parameter provided the INVOKE wasreceived from a network entity within the same national SS7 signaling network.) TIA-41-512-ESIGNALING CONNECTION CONTROL PART123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960512-6