1、 ANSI/J-STD-025-A-2003 Approved: April 16, 2003 JOINT STANDARD Lawfully AuthorizedElectronic Surveillance ANSI/J-STD-025-A (Upgrade and Revision of J-STD-025-A)APRIL 2003 TELECOMMUNICATIONS INDUSTRY ASSOCIATION Copyright Electronic Industries Alliance Provided by IHS under license with EIANot for Re
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31、without license from IHS-,-,-Copyright Electronic Industries Alliance Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-ANSI/J-STD-025-A123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051
32、5253545556575859Copyright Electronic Industries Alliance Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHSAbstractThis Standard defines the interfaces between a telecommunication serviceprovider (TSP) and a Law Enforcement Agency (LE
33、A) to assist the LEA inconducting lawfully authorized electronic surveillance. A TSP, manufacturer,or support service provider that is in compliance with this Standard will havea “safe harbor” under Section 107 of the Communications Assistance for LawEnforcement Act (CALEA), Public Law 103-414: “a T
34、SP shall be found tobe in compliance with the assistance capability requirements under CALEASection 103, and a manufacturer of telecommunication transmission orswitching equipment or a provider of telecommunication support servicesshall be found in compliance with CALEA Section 106.”ANSI/J-STD-025-A
35、 provides the enhancements necessary to support FCC99-230, CC Docket No. 97-213, Third Report and Order and FCC 02-108, CCDocket No. 97-213, Order on Remand.i Abstract-,-,-ANSI/J-STD-025-A 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859Co
36、pyright Electronic Industries Alliance Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHSDocument Revision HistoryRevision Date Remarks Reason for Change0 November 1997 Initial Interim standard version approved for publicationNovember
37、 1997 Standard version approved for publicationA April 2000 Revised to meet the requirements defined in FCC 99-230, CC Docket No. 97-213.A April 2001 Revised to include Addenda to J-STD-025A February 2003 Revised to meet the requirements defined in FCC 02-108, CC Docket No. 97-213.-,-,-Document Revi
38、sion History iiANSI/J-STD-025-A1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859Copyright Electronic Industries Alliance Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-
39、,-ContentsAbstract .iDocument Revision History iiContents . iiiList of Tables . viiiList of Figures xForeword xiii1 Introduction 11.1 General 11.2 Purpose 11.3 Scope .21.4 Organization 22 References 33 Definitions and Acronyms .54 Stage 1 Description: User Perspective .154.1 Overview .154.2 Introduc
40、tion .154.2.1 Assumptions 154.2.2 General Background 164.2.3 Call Content Channels and Call Data Channels 184.3 Non-Call Associated Information Surveillance Service DescriptionServing System IAP.194.4 Call Associated Information Surveillance Service DescriptionCall-Identifying Informa-tion IAP .204.
41、4.1 Introduction .204.4.2 Basic Circuit Calls .204.4.3 Conference Call Party Changes .214.5 Call Associated and Non-Call Associated Information Surveillance Service Description 214.5.1 Introduction .214.5.2 Intercept Subject Signaling IAP 224.5.2.1 Subject-initiated Dialing and Signaling 224.5.2.2 D
42、ialed Digit Extraction .224.5.3 Network Signaling IAP .224.5.3.1 In-band and Out-of-band Signaling .224.6 Content Surveillance Service Description 234.6.1 Circuit IAP 234.6.2 Conference Circuit IAP - Content of Subject-initiated Conference Calls .274.6.3 Packet Data IAP 284.7 Timing Information .304
43、.8 Restrictions 314.8.1 Lack of CDC and CCC Synchronization .314.8.2 CDC Congestion 314.8.3 CCC Exhaustion 314.8.4 CCC Congestion 32iii ContentsANSI/J-STD-025-A 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859Copyright Electronic Industrie
44、s Alliance Provided by IHS under license with EIANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-5 Stage 2 Description: Network Perspective 335.1 Introduction 335.2 Stage 2 Methodology . 335.3 Network Reference Model . 335.3.1 Functional Entities 335.3.1.1 Access F
45、unction (AF) . 335.3.1.2 Delivery Function (DF) 345.3.1.3 Collection Function (CF) 355.3.1.4 Service Provider Administration Function (SPAF) 355.3.1.5 Law Enforcement Administration Function (LEAF) . 355.3.2 Interface Reference Points 365.3.2.1 Reference Point a 365.3.2.2 Reference Point b 365.3.2.3
46、 Reference Point c 365.3.2.4 Reference Point d 365.3.2.5 Reference Point e 365.4 Message Descriptions . 375.4.1 Answer 375.4.2 CCClose 385.4.3 CCOpen 395.4.4 Change 405.4.5 ConferencePartyChange . 415.4.6 Connection 435.4.7 ConnectionBreak 435.4.8 DialedDigitExtraction . 445.4.9 NetworkSignal 455.4.
47、10 Origination 485.4.11 PacketEnvelope 495.4.12 Redirection 505.4.13 Release 515.4.14 ServingSystem 525.4.15 SubjectSignal 535.4.16 TerminationAttempt . 546 Stage 3 Description: Implementation Perspective 566.1 Protocol Definition . 566.2 CDC Protocol Definition 566.2.1 CDC Underlying Data Transmiss
48、ion 566.2.2 CDC Parameter Encoding Objectives 566.2.3 CDC Syntax Definitions . 576.3 CDC Message Definitions 586.3.1 Answer Message . 586.3.2 CCClose Message . 596.3.3 CCOpen Message . 596.3.4 Change Message . 596.3.5 ConferencePartyChange Message 606.3.6 Connection Message . 616.3.7 ConnectionBreak
49、 Message . 616.3.8 DialedDigitExtraction Message 626.3.9 NetworkSignal Message . 626.3.10 Origination Message . 626.3.11 PacketEnvelope Message . 636.3.12 Redirection Message . 64Contents ivANSI/J-STD-025-A1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859Copyright Electronic Industries Alliance Provided by IHS under lice
