1、TIA/EIA INTERIM STANDARD 1 Automatic Code Gapping l TIA/EIA/IS-786 NOVEMBER 2000 TELECOMMUNICATIONS INDUSTRY ASSOCIATION /- c The Telecommonications Industry Assoeintiou repmscnts the commnnicatioas sector of Elactron ic Industries Alliance NOTICE TIAEIA Engineering Standards and Publications are de
2、signed to serve the public interest through eliminating misunderstandings between manufacturers and purchasers, facilitating interchangeability and improvement of products, and assisting the purchaser in selecting and obtaining with minimum delay the proper product for his particular need. Existence
3、 of such Standards and Publications shall not in any respect preclude any member or nonmember of TIAEIA from manufacturing or selling products not conforming to such Standards and Publications, nor shall the existence of such Standards and Publications preclude their voluntary use by those other tha
4、n TIAEIA members, whether the standard is to be used either domestically or internationally. Standards and Publications are adopted by TIAEIA in accordance with the Amencan National Standards Institute (ANSI) patent policy. By such action, TIAEIA does not assume any liability to any patent owner, no
5、r does it assume any obligation whatever to parties adopting the Standard or Publication. TIAEIA INTERIM STANDARDS TIAEIA Interim Standards contain information deemed to be of technical value to the industry, and are published at the request of the originating Committee without necessarily following
6、 the rigorous public review and resolution of comments which is a procedural part of the development of a TIA/EIA Standard. TIAEIA Interim Standards should be reviewed on an annual basis by the formulating Committee and a decision made on whether to proceed to develop a TIA/EIA Standard on this subj
7、ect. TIAEL4 Interim Standards must be cancelled by the Committee and removed from the TIAEIA Standards Catalog before the end of their third year of existence. Publication of this TMIA Interim Standard for trial use and comment has been approved by the Telecommunications Industry Association. Distri
8、bution of this TIAEIA Interim Standard for comment shall not continue beyond 36 months from the date of publication. It is expected that following this 36 month period, this TIAEIA Interim Standard, revised as necessary, will be submitted to the American National Standards Institute for approval as
9、an American National Standard. Suggestions for revision should be directed to: Standards F 27 a3 29 9 n 9 33 34 35 33 37 38 33 40 41 42 43 44 45 46 47 48 49 50 51 9 53 .54 55 56 57 58 93 I AUTOMATIC CODE GAPPING CONTENTS List Of Figures iv List Of Tables v Foreword . . . . . . . . . . . . . . . . .
10、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi Revision History . . . VU 1 2 X 3 4 4 5 INTRODUCTION . 1 1.1 General 1 1.2
11、Objective . 1 1.3 Organization . 1 1.4 Editorial Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 TIAIEIA-664 Modifications . . . . . . . . . . . . . . . . . .
12、.3 Network Capabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 X.l Automatic Code Gapping (ACG) 3 X.l.l Normal Operation 3 X. 1.2 Except
13、ion Procedures or Unsuccessful Outcome . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 X. 1.3 Alternate Procedures . 7 X. 1.4 Interactions With Other Network Services 7 TIA/EIA-41-D Chapter 1 Modifications . . . . . . . 8 SYMBOLS AND ABBREVIATIONS . 8 TIA/EIA-41-D Ch
14、apter 3 Modifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 4.X ACGDirective . 9 4.X. 1 SCF Initiation of an ACG Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15、. . . . . . . . . . 9 4.X.2 SCF Update of an ACG Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 4.X.3 MSC Query While Under ACG Control 12 4.X.4 SCF Removal of ACG Control . 13 TIAIEIA-41.5-D Modifications 14 5.1 SS
16、7-BASED DATA TRANSFER SERVICES . 14 5.1.1 Message Transfer Part . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 6.4 MAP OPERATIONS . 15 6.4.1.2 Operation Specifiers . 15 6.4.1.3 Mapping of Operations onto TCAP Package
17、 Types. 15 6.4.2 Operation Definitions . 15 6.4.2.13 FeatureRequest 16 6.4.2.27 LocationRequest 17 6.4.2.30 OnginationRequest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 6.4.2.46 TransferToNumberRequest . . . . . . . . .
18、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Automatic Code Gapping 1 Contents TINEIAAS-786 6.4.2.g NumberPortabilityRequest 20 6.4.2.h ServiceRequest 21 6.4.2.i AnalyzedInformation 22 6.4.2.m FacilitySelectedAndAvailable . 23 6.4.2.t TBusy . 24 6.4.2.u TNoAns
19、wer 25 6.4.2.a ACGDirective . 26 6.5 MAP PARAMETERS . 27 6.5.1.2 Parameter Identifiers . 27 6.5.2 Parameter Definitions . 28 6.5.2.f ACGEncountered . 28 6.5.2.f ControlType . 30 6.5.2.f GapDuration . 31 6.5.2.ga ServiceManagementSystemGapInterval 34 6.5.2.f GapInterval 32 6.5.2.f SCFOverloadGapInter
20、val 33 6 TIA/EIA-41.6-D Modifications 35 3.2 3.5 4.14 4.28 4.3 1 4.49 4.A 4.E 4.K 4.M 4.N 4.AI 5.x Origination Call Tasks . 35 3.2.3 MSC Analyze MS Dialed Number 35 Recovery Call Tasks 36 ACG Fault Handling Procedures . 36 MSC Detecting Feature Request . 36 3.5.2 Feature Request . 36 4.14.1 Location
21、 Request . 37 4.28.1 MSC Initiating a Location Request . 37 Ongination Request . 39 4.3 1.1 Transfer-To-Number Request . 43 4.49.1 MSC Initiating a Transfer-To-Number Request . 43 Analyzed Information . 44 4.A. 1 MSC Initiating an Analyzed Information . 44 Facility Selected And Available 45 4.E.1 MS
22、C Initiating a Facility Selected And Available 45 Service Request . 45 4.K.1 SCF Initiating Service Request 45 TBusy . 47 4.M. 1 MSC Initiating a TBusy . 47 TNoAnswer 49 4.N.l MSC Initiating a TNoAnswer 49 4.Al.l MSC Initiating a Number Portability Request 52 Calling Name Presentation (CNAP) 53 5.X.
23、 I HLR CNAP Terminating Call Invocation 53 MSC Initiating an Origination Request . 39 Number Portability Request 52 X Automatic Code Gapping Procedures . 56 X.l ACG Directive 56 X . 1.1 SCF Initiating an ACG Directive . 56 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 P 23 a a a6 27 aB 0 3 n
24、 32 33 51 35 38 37 38 9 40 41 42 43 44 45 46 47 48 49 50 51 2 53 54 55 56 57 58 58 60 Contents ii Automatic Code Gapping TINEINIS-786 1 2 3 X.1.2 MSC or SCF Receiving ACGDirective INVOKE 57 ACG Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
25、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 4 X.2.1 ACG Control Test . 59 5 X.2.2 Gap Duration Timer Expiration 61 TIA/EIA- 124-B Modifications . . . . . . . . . . . . . . . . . . 62 X.2 6 7 8 9 10 11 12 13 14 15 16 17 18 19 a, 21 P P 24 7 a a6 27 28 29 30 3l 32 33
26、 34 35 36 37 38 38 40 41 42 43 44 46 46 47 48 49 50 51 P 53 54 55 56 57 58 58 60 Automatic Code Gapping iii Contents TINEINIS-786 LIST OF FIGURES Figure 4.X.1 SCF Initiation of an ACG Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 Figure 4.X.2 SCF Update of
27、 an ACG Control . . . . . . 11 Figure 4.X.3 MSC Query While Under ACG Control . . . . . . . . . . 12 Figure 4.X.4 SCF Removal of ACG Control . 13 Figure 6.5.2.f ACGEncountered parameter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28 Figure 6.5.2.f Cont
28、rolType parameter . . . . . . . . . . . . . . . . . . . . , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Figure 6.5.2.f GapDuration parameter . 31 Figure 6.5.2.f GapInterval parameter . 32 Figure 6.5.2.f SCFOverloadGapInterval parameter . . . . . 33 Figure 6.5.2.ga
29、ServiceManagementSystemGapInterval parameter . . . . . . . . . . . . . . . . . . . . . . . . 34 List of Figures iv Automatic Code Gapping 1 2 3 4 5 6 7 a 9 10 11 12 13 14 15 16 17 18 19 P 21 P P 24 zi as 27 28 29 33 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 5.3 51 9 53 54 55 56 57 58
30、59 Eo TINEINIS-786 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 16 19 al 21 22 P a 25 a6 27 28 29 30 3l 32 33 34 36 33 37 38 39 40 41 42 43 44 45 46 47 46 49 50 51 9 53 E4 56 56 57 58 58 60 LIST OF TABLES Table 1: Table 2: Table 4.X Table 1 Table 8 Table 4 Table 10 Table 35 Table 63 Table 68 Table 100
31、Table 6.4.2.g. 1 Table 6.4.2.h-1 Table i-1 Table m-1 Table t-1 Table u-1 Table apl Table 1 12 Table 6.5.2.f Table 6.5.2.f Table 6.5.2.f Table 6.5.2.f Table 6.5.2.ga Table 6.4.162 Gap Duration Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
32、 . . . . . . . . .4 Control Gap Intervals . 5 NE Combinations for ACGDirective . . . . .9 MTP Message Priority Values for TIAEIA-41 Operations . . . . . . . . . . . . 14 TIA/EIA-41 MAP Operation Specifiers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Mapping of AN
33、SI-41 Operations onto TCAP Package Types 15 Summary of MAP Operations . 15 FeatureRequest INVOKE Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 LocationRequest INVOKE Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
34、 . . 17 OnginationRequest INVOKE Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 TransferToNumberRequest INVOKE Parameters . . . . . . 19 NumberPortabilityRequest INVOKE Parameters . . . . . . . . . . . . . . . . . . . . . . 20 ServiceRequest INVOKE Parameters
35、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 1 AnalyzedInformation INVOKE Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Facility SelectedAndAvailable INVOKE Parameters . . . . . . . . . . . . . . . . . . . . . . . .23 T
36、Busy INVOKE Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24 TNoAnswer INVOKE Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 ACGDirective INVOKE Parameters . . . . . . . . . . . . . . . .
37、 . . . . . . . . . . . . . . . . . . . . . . . . . .26 TIA/EIA-41 MAP Parameter Identifiers . . . . . 27 ACGEncountered value . . . . . . . 29 ControlType value . 30 GapDuration value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 1 SCFOverload
38、GapInterval value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 ServiceManagementSystemGapInterval value . . . . . . . . . . 34 ReleaseIndicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
39、. . . . . . . . . . . . . . . . . . . . .62 Automatic Code Gapping V List of Tables TINEINIS-786 FOREWORD This Interim Standard presents a recommended plan for the implementation of the Automatic Code Gapping (ACG) network capability for use in the Wireless Radiotelephone Service. Automatic Code Gap
40、ping (ACG) is used to reduce the rate at which a network entity (NE), typically an MSC, sends service request messages to a service control function (SCF). ACG may be initiated in response to an SCF Overload condition and adjusted based on SCF congestion level. ACG may also be initiated for Service
41、Management independently of SCF overload. The SCF can specify that ACG controls be applied to query messages destined for a specific Point Code and Subsystem Number or for an SCCP Global Title. This Interim Standard builds on the following standards: ANSI TIA/EIA -664, Cellular Features Description;
42、 Telecommunications Industry Association; June 1996 ANSI TIA/EIA-41 -D, Cellular Radiotelecommunications Intersystem Operations; Telecommunications Industry Association; 1997 ANSI TZMElA-124-B, Cellular Radio Telecommunications Intersystem Non- Signaling Data Communications (DMH); Telecommunications
43、 Industry Association; August 1999 Telecommunications Industry Association: December, 1998 Telecommunications Industry Association: April, 1998 TIMEIMZS- 771, Wireless Intelligent Network; Telecommunications Industry Association: December, 1998 ANSI T1.667, American National Standard for Telecommuni
44、cations - Intelligent Networks; Alliance for Telecommunications Industry Solutions: 1999 TIA/EZA/IS- 756-A, Wireless Number Portability (Phase II); TIA/EIA/ZS- 764, Wireless Calling Name Feature Descriptions; 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 a 21 P 23 a 0 a6 n 28 a 30 n 9 33 34 35 36
45、37 38 38 40 41 a 43 44 45 46 47 48 49 50 51 9 53 54 55 56 51 58 99 Eo Foreword vi Automatic Code Gapping TINEINIS-786 Revision Date O September 2000 1 Remarks Initial Publication 2 REVISION HISTORY 10 11 12 13 14 15 16 17 18 19 a3 21 P P a 0 as 27 28 a 30 n 32 33 34 36 33 37 38 39 40 41 42 43 44 45
46、46 47 48 49 50 51 52 53 51 56 56 57 58 53 m Automatic Code Gapping Revision History TINEINIS-786 Revision History (This page intentionally left blank.) viii 1 2 3 4 5 6 7 a 9 10 11 12 13 14 15 16 17 18 19 ao 21 72 P 24 25 nj 27 28 a 32 31 32 33 34 35 3 37 38 33 40 41 42 43 44 45 46 47 48 49 50 51 s?
47、 53 54 56 56 57 59 5B 60 Automatic Code Gapping TINEINIS-786 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 a 21 P 23 n o a6 27 aB 23 30 n 32 33 34 35 39 37 33 33 40 41 42 43 44 45 46 47 48 49 50 51 a 53 54 55 56 57 59 53 60 1 INTRODUCTION This document presents a recommended plan for the implement
48、ation of Automatic Code Gapping (ACG) for use in the Wireless Radiotelephone Service. ACG is used to reduce the rate at which a network entity, typically an MSC, sends service request messages to a service control function (SCF) network entity. ACG controls can be applied automatically by the SCF wh
49、en it is in overload. ACG controls can also be applied by an SCF for purposes of SCF service management. 1.1 GENERAL This document describes the ACG network capabilities and the intersystem operations to enable a wireless system to use ACG. 1.2 OBJECTIVE The purpose of this document is to describe the ACG network capabilities, and to specify the operation of ACG so that wireless systems can use ACG. 1.3 ORGANIZATION This document is organized as follows: Section 2 provides the modifications and additions to TIMEIA-664 “Cellular Features Description”
