TIA-41 551-E-2004 Part 551 Wireless Radiotelecommunications Intersystem Operations C Parameter Types Signaling Protocols《Part 551 无绳无线电通信内部系统操作 参数信令协议》.pdf

1、 TIA-41.551-E (Revision of TIA-41.D) October 2010 Part 551: Wireless Radiotelecommunications Intersystem Operations Parameter Types Signaling Protocols ANSI/TIA-41.551-E-2004 APPROVED: APRIL 20, 2004 REAFFIRMATION: SEPTEMBER 1, 2010 NOTICE TIA Engineering Standards and Publications are designed to s

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6、y of regulatory limitations before its use. (From Standards Proposal No. 3-3590.551-RV5, formulated under the cognizance of the TIA TR-45.2 Subcommittee on Wireless Intersystem Technology.) Published by TELECOMMUNICATIONS INDUSTRY ASSOCIATION 2002 Standards and Technology Department 2500 Wilson Boul

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18、NTENTS HEREOF, AND THESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. TIA-41-551-E123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960551-1 PARAMETER TYPE DEFINITIONSPART 5511 PARAMETER TYPE DEFINITIONSThis Part provides

19、the definitions of the parameter types used in this Standard.1.1 CHOICECHOICE is used to select one of mutually exclusive parameters. The encoded type identifier used isthe chosen parameter type.Optional CHOICEs may be extended in future releases.1.2 DigitsTypeThe DigitsType parameter type is based

20、on the Digits parameter defined in Section 3 of ANSIT1.114-1988. Where there are differences, this Standard takes precedence.New address parameters each use a unique and distinct identifier and an IMPLICIT DigitsType. Thisallows messages with multiple address parameters to be decoded by examining on

21、ly the messageidentifiers.1.2.1 DigitsType variant for BCD digitsField Value Type Reference NotesIdentifier DigitsType IMPLICIT OCTET STRINGM Part 550 Section 1.2Length 4 or more octets M Part 550 Section 1.1bContentsHGFEDCBAocteNotesType of Digits 1Nature of Number 2Numbering Plan Encoding 3Number

22、of Digits 42ndBCD Digit 1stBCD Digit 54thBCD Digit 3rdBCD Digit 6 nthBCD Digit n-1stBCD Digit maTIA-41-551-EDigitsType123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960551-2Notes:a. When there is an odd number of digits the nthdigit is set

23、 to filler.b. m = 4+(Number of Digits)/2, rounded up to an integer for this parameter type variant.TIA-41-551-E123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960551-3 DigitsType1.2.2 DigitsType variant for IA5 digitsField Value Type Refere

24、nce NotesIdentifier DigitsType IMPLICIT OCTET STRINGM Part 550 Section 1.2Length 4 or more octets M Part 550 Section 1.1ContentsHGFEDCBAocteNotesType of Digits 1Nature of Number 2Numbering Plan Encoding 3Number of Digits 41stIA5 Character52ndIA5 Character6 Last IA5 Character nTIA-41-551-EDigitsType1

25、23456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960551-41.2.3 DigitsType variant for IP addressField Value Type Reference NotesIdentifier DigitsType IMPLICIT OCTET STRINGM Part 550 Section 1.2Length 7 octets M Part 550 Section 1.1ContentsHGF

26、EDCBAocteNotesType of Digits 1Nature of Number 2Numbering Plan Encoding 3MSB 4IP Address56LSB 7TIA-41-551-E123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960551-5 DigitsType1.2.4 DigitsType variant for an ANSI SS7 point code addressField V

27、alue Type Reference NotesIdentifier DigitsType IMPLICIT OCTET STRINGM Part 550 Section 1.2Length 7 octets M Part 550 Section 1.1ContentsHGFEDCBAocteNotesType of Digits 1Nature of Number 2Numbering Plan Encoding 3Point CodeMember Number 4Point CodeCluster Number 5Point CodeNetwork Number 6Subsystem N

28、umber (SSN) 7TIA-41-551-EDigitsType123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960551-61.2.5 DigitsType variant for a generic SS7 point code addressNotes:a. Type of Digits is ignored upon receiptb. Nature of Number shall be National.c.

29、Numbering Plan shall be SS7 for this parameter variant.d. Encoding shall be octet string for this parameter variant.e. Bit A of Octet 4 is the first bit that would be emitted if the point code was transmitted bythe MTP layer. If the point code is less than 24 bits in length, then all bits beyond the

30、 endof the point code up to and including bit H of Octet 6, should be set to 0.Field Value Type Reference NotesIdentifier DigitsType IMPLICIT OCTET STRINGM Part 550 Section 1.2Length 7 octets M Part 550 Section 1.1ContentsHGFEDCBAocteNotesType of Digits 1 aNature of Number 2 bNumbering Plan Encoding

31、 3 c, dPoint Code4e5e6eSubsystem Number (SSN) 7TIA-41-551-E123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960551-7 DigitsTypeType of Digits (octet 1, bits A-H)Value Meaning0Not Used.1 Dialed Number or Called Party Number.2 Calling Party Nu

32、mber.3 Caller Interaction. These are the digits dialed by a user in response to a prompt (not used in this Standard).4 Routing Number. This number is used to steer a call towards its ultimate desti-nation.5 Billing Number. This is the number to use for ANI, Charge Number or other recording purposes.

33、6 Destination Number. This is the network address of the called party.7 LATA (not used in this Standard).8 Carrier. The identity of a preferred carrier.Other values Other values are reserved.Nature of Number (octet 2, bit A)Value Meaning0 National.1 International.Nature of Number (octet 2, bit B)Val

34、ue Meaning0 Presentation Allowed.1 Presentation Restricted.Nature of Number (octet 2, bit C)Value Meaning0 Number is available.1 Number is not available.TIA-41-551-EDigitsType123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960551-8Nature of

35、 Number (octet 2, bits E-F)Value Meaning0 User provided, not screened.1 User provided, screening passed.2 User provided, screening failed.3 Network provided.Encoding (octet 3, bits A-D)Value Meaning0 Not used.1 BCD (see Digit definition below).2 IA5. The International Alphabet 5 as defined in ITU-T

36、Rec. T.50. (also known as the International Reference Alphabet (IRA).3 Octet string. This is used for IP and SS7 addresses.Other values Other values reservedNumbering Plan (octet 3, bits E-H)Value Meaning0 Unknown or not applicable.1 ISDN Numbering (not used in this Standard).2 Telephony Numbering (

37、ITU-T Rec. E.164, E.163).3 Data Numbering (ITU-T Rec. X.121).4 Telex Numbering (ITU-T Rec. F.69) (not used in this Standard).5 Maritime Mobile Numbering (not used in this Standard).6 Land Mobile Numbering (ITU-T Rec. E.212)7 Private Numbering Plan (service provider defined).13 SS7 Point Code (PC) an

38、d Subsystem Number (SSN).14 Internet Protocol (IP) Address.15 Reserved for extension.Other values ReservedTIA-41-551-E123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960551-9 ENUMERATED1.3 ENUMERATEDThe ENUMERATED data type is encoded as an

39、 Integer using only the defined values. This isencoded as UNIVERSAL class, number 10.An ENUMERATED value may be extended in future releases.Digits (octets 5-m, of the BCD Digits variants, bits A-D or E-H)Value Meaning0Digit = 0 or filler.1Digit = 1.2Digit = 2.3Digit = 3.4Digit = 4.5Digit = 5.6Digit

40、= 6.7Digit = 7.8Digit = 8.9Digit = 9.10Spare.11Code 11.12Code 12.13*.14#.15ST.TIA-41-551-EIMPLICIT123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960551-101.4 IMPLICITAn identifier modified by “IMPLICIT” means that the identifier is used al

41、one without the identifierof the contained parameter type, as it would be used in Abstract Syntax Notation One (ASN.1) fromX.208 and the Basic Encoding Rules (BER) from X.209. For example:and could be expressed using ASN.1 as:interSwitchCount:= 007 IMPLICIT UnsignedInteger (0255)UnsignedInteger:= IM

42、PLICIT Integer (0MAX) - ignoring the use of the sign bitwhich would be encoded using BER as (with a count value of 5):Without using “IMPLICIT” tags, the above example could be:and could be expressed using ASN.1 as:interSwitchCount:= 007 Integer (0255)- ignoring the use of the sign bitwhich would be

43、encoded using BER as (with a count value of 5):Field Value Type Reference NotesIdentifier InterSwitchCount IMPLICITUnsigned Integer (0255)M Part 550 Section 1.2Length 1 octet M Part 550 Section 1.1ContentsHGFEDCBAocteNotesInterSwitchCount 1Identifier Length Value1000 011120000 000120000 01012Context

44、 (102)110510Primitive (02)InterSwitchCount(001112)Field Value Type Reference NotesIdentifier InterSwitchCountINTEGER (0255)M Part 550 Section 1.2Length 1 octet M Part 550 Section 1.1ContentsHGFEDCBAocteNotesInter Switch Count 1TIA-41-551-E1234567891011121314151617181920212223242526272829303132333435

45、36373839404142434445464748495051525354555657585960551-11 IMPLICITNote that if the constructed type “Unsigned Integer” was used in the second example, there wouldhave been another constructed identifier and length for the Unsigned Integer. This was omitted forthe sake of simplicity.Implicit tagging a

46、llows for more compact encoding. Explicit tagging allows for more error checking.Identifier Length ValueIdentifier Length Value1010 011120000 001120000 001020000 000120000 01012Context (102)310Universal (002)110510Constructed (12) Primitive (02)InterSwitchCount(001112)Integer (000102)TIA-41-551-EIMS

47、IType123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960551-121.5 IMSITypeThe IMSIType parameter type is a representation of an InternationalMobileSubscriberIdentity(IMSI) used to identify a specific MS. It is defined in ITU-T recommendatio

48、n E.212. IMSI may beup to 15 digits in length. Only the last digit may be set to the filler value (i.e. for IMSI with an oddnumber of digits).Notes:a. Digit 1 (bits A through D of octet 1) is the most significant digit (i.e.first digit of MCC).Field Value Type Reference NotesIdentifier IMSIType IMPL

49、ICIT OCTET STRINGM Part 550 Section 1.2Length variable octets M Part 550 Section 1.1ContentsHGFEDCBAocteNotesDigit 2 Digit 1 1 aDigit 4 Digit 3 2Digit 6 Digit 5 3Digit 8 Digit 7 4Digit 10 Digit 9 5Digit 12 Digit 11 6Digit 14 Digit 13 7filler Digit 15 8Digit n, where n = 0,1,2,9 (octets 1-8)Value Meaning0Digit = 01Digit = 12Digit = 23Digit = 34Digit = 45Digit = 5TIA-41-551-E123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960551-13 IMSIType6Digit = 67Digit = 78Digit = 89Digit = 910 through 14