1、 TIA-41.520-E-1E (Addendum to TIA-41.520-E) August 2012Mobile Application Part (MAP) TCAP Application Signaling Protocols ANSI/TIA-41.520-E-1E-2012 APPROVED: AUGUST 8, 2012 NOTICE TIA Engineering Standards and Publications are designed to serve the public interest through eliminating misunderstandin
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22、F DAMAGES IS A FUNDAMENTAL ELEMENT OF THE USE OF THE CONTENTS HEREOF, AND THESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. REVISION HISTORYRevision Date RemarksX.S0004-520-E v2.0 July 2007 Incorporated changes from Miscel-laneous Rev. E standards.X.S0004-520-E v2.01234567891011
23、12131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960520 -1 APPLICATION SERVICESPART 5201 APPLICATION SERVICES1.1 APPLICATION SERVICES ARCHITECTUREThe Application Services architecture introduced in MAP-500 is reproduced in the following figure.Figure 1 A
24、pplication Services ArchitectureApplication Services are comprised of the ANSI Transaction Capabilities (TC) specified in ANSIT1.114, along with the Mobile Application Part (MAP).The TC Transport, Session, and Presentation layers are null layers in this Standard, just as they aredescribed in ANSI T1
25、.114. They are included here for completeness; future revisions of this Standardmay make use of them.The Application Layer contains the working part of the MAP Application Services. It is described inthe remainder of this part and in parts MAP-540, -550, -551.ANSI Transaction CapabilitiesApplication
26、 LayerPresentation LayerSession LayerTransport LayerTransaction Capabilities Application Part (TCAP)APPLICATION SERVICESMobile Application Part (MAP)X.S0004-520-E v2.0APPLICATION LAYER STRUCTURE1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575
27、85960520 -21.2 APPLICATION LAYER STRUCTUREThe following figure illustrates the TIA-41 Application Layer Structure.Figure 2 TIA-41 Application Layer StructureAs illustrated, the Mobile Application Part (MAP) defined in this Standard is supported by the ANSITransaction Capabilities Application Part (T
28、CAP). TCAP, in turn, is structured in two sub-layers: the component sub-layer, which deals with individual actions or data, called components. the transaction sub-layer, which deals with the exchange of messages containing componentsbetween two MAP entities.Mobile Application Part (MAP)Component sub
29、-layerTransaction sub-layerANSI TCAPApplication Layerto and from underlying layersX.S0004-520-E v2.0123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960520 -3 TCAP FORMATS AND PROCEDURES1.3 TCAP FORMATS AND PROCEDURES1.3.1 Transaction Portio
30、nThis Standard employs the TCAP package formats and procedures defined in ANSI T1.114 with thefollowing exceptions and limitations: Special procedures for “Handover,” defined in the ANSI TCAP standard, are not supported.1.3.2 Component PortionThis Standard employs the TCAP component formats and proc
31、edures defined in ANSI T1.114 withthe following exceptions and limitations: Special procedures for “Handover,” defined in the ANSI TCAP standard, are not supported. The Operation Code Identifier is coded as Private TCAP. The Operation Code is partitioned into an Operation Family followed by a Specif
32、ier associatedwith each Operation Family member. For MAP the Operation Family is coded as decimal 9. BitH of the Operation Family is always coded as 0. A TCAP INVOKE component shall contain a Component ID Length greater than zero. A TCAP RETURN RESULT component shall only be transmitted in response
33、to an INVOKEComponent. A TCAP RETURN ERROR component shall only be sent in response to an INVOKEcomponent, not a RETURN RESULT component. If a problem is detected by TCAP (i.e., the received message does not conform to ANSIT1.114.3), a TCAP REJECT component with one of the following Problem Specifie
34、rs shall besent:- All families, General, Transaction Portion: All specifiers.- INVOKE: Unrecognized Correlation ID.- RETURN RESULT: Unrecognized Correlation ID, Unexpected Return Result.- RETURN ERROR: Unrecognized Correlation ID, Unexpected Return Error. If a problem is detected by MAP (i.e., the r
35、eceived message does not conform to MAP), a TCAPREJECT component with one of the following TCAP Problem Specifiers shall be sent:- INVOKE: Duplicate Invoke ID, Unrecognized Operation Code or Incorrect Parameter.- RETURN RESULT: Incorrect Parameter.- RETURN ERROR: Incorrect Parameter, Unrecognized Er
36、ror, Unexpected Error. If an error is detected by a MAP user except SMSDeliveryBackward, SMSDeliveryForward,and SMSDeliveryPointToPoint, a TCAP RETURN ERROR component shall be sent. ForSMSDeliveryBackward, SMSDeliveryForward, and SMSDeliveryPointToPoint, a TCAPRETURN RESULT with an SMS_CauseCode par
37、ameter shall be sent.X.S0004-520-E v2.0TCAP FORMATS AND PROCEDURES123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960520 -4 As exceptions to the TCAP procedures related to the use of Component Types marked as “Last”if a ConnectResource INVO
38、KE, a DisconnectResource INVOKE, a InstructionRequestINVOKE, a RemoteUserInteractionDirective INVOKE, a ResetTimer INVOKE, or anSRFDirective INVOKE is received encoded as a response to the INVOKE component of someother MAP operation, it should not be treated as the final response to that other INVOK
39、Ecomponent. As exceptions to the TCAP procedures related to the use of Component Types marked as “Last”a SeizeResource RETURN RESULT should not treated as the final response to a SeizeResourceINVOKE component.1.3.2.1 TCAP INVOKE ComponentThe structure of an ANSI TCAP package containing an INVOKE com
40、ponent is shown in thefollowing table.1.3.2.1.1 INVOKE Response Philosophy1. If a network entity receives an INVOKE with an incorrect TCAP message (e.g., ill-formatted), it shall respond with a REJECT to report this error.2. If a network entity receives an INVOKE and is unable to initiate or complet
41、e the operation,it shall respond with a RETURN ERROR.Table 1 Structure of TCAP Package with INVOKE ComponentPackage Type IdentifierTotal TCAP Message LengthTransaction ID IdentifierTransaction ID LengthTransaction IDsComponent Sequence IdentifierComponent Sequence LengthComponent Type IdentifierComp
42、onent LengthComponent ID IdentifierComponent ID LengthComponent IDsOperation Code IdentifierOperation Code LengthOperation CodeParameter Set IdentifierParameter Set LengthParameter SetX.S0004-520-E v2.012345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535
43、4555657585960520 -5 TCAP FORMATS AND PROCEDURES3. If a network entity receives an INVOKE and is able to complete the operation, it shallrespond with a RETURN RESULT to report the completion of the operation, except for themessages HandoffMeasurementRequest and MobileOnChannel.1.3.2.2 TCAP RETURN RES
44、ULT ComponentThe structure of a TCAP package containing a RETURN RESULT component is shown in thefollowing table.Table 2 Structure of TCAP Package with RETURN RESULT ComponentPackage Type IdentifierTotal TCAP Message LengthTransaction ID IdentifierTransaction ID LengthTransaction IDsComponent Sequen
45、ce IdentifierComponent Sequence LengthComponent Type IdentifierComponent LengthComponent ID IdentifierComponent ID LengthComponent IDsParameter Set IdentifierParameter Set LengthParameter SetX.S0004-520-E v2.0TCAP FORMATS AND PROCEDURES1234567891011121314151617181920212223242526272829303132333435363
46、73839404142434445464748495051525354555657585960520 -61.3.2.3 TCAP RETURN ERROR ComponentThe structure of a TCAP package containing a RETURN ERROR component is shown in thefollowing table.The Parameter Set is encoded as follows:Notes:a. Include if the error involved a specific parameter.1.3.2.3.1 Err
47、or DefinitionsThe detailed handling of operation errors is specified in the operations procedures.Table 3 Structure of TCAP Package with RETURN ERROR ComponentPackage Type IdentifierTotal TCAP Message LengthTransaction ID IdentifierTransaction ID LengthTransaction IDsComponent Sequence IdentifierCom
48、ponent Sequence LengthComponent Type IdentifierComponent LengthComponent ID IdentifierComponent ID LengthComponent IDsError Code IdentifierError Code LengthError CodeParameter Set IdentifierParameter Set LengthParameter SetRETURN ERROR ParametersField Value Type Reference NotesIdentifier Set NATIONA
49、L 18 MLength variable octets MContentsFaultyParameter O 550-2.120 aX.S0004-520-E v2.0123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960520 -7 TCAP FORMATS AND PROCEDURESThe following definitions for errors are not exhaustive, but are included so that differentmanufacturers and users have a common understanding of the mapping between a reported error andthe occurrence which generates it. The detection of the errors is not mandatory, however, if an erroris detected for one of the examples given, then the in
