ATIS 0700708-1998 PCS 1900 Sewrvice Provider Number Portability (Formerly ATIS T1 708).pdf

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1、 AMERICAN NATIONAL STANDARD FOR TELECOMMUNICATIONS ATIS-0700708.1998(R2013) PCS 1900 Service Provider Number Portability As a leading technology and solutions development organization, ATIS brings together the top global ICT companies to advance the industrys most-pressing business priorities. Throu

2、gh ATIS committees and forums, nearly 200 companies address cloud services, device solutions, emergency services, M2M communications, cyber security, ehealth, network evolution, quality of service, billing support, operations, and more. These priorities follow a fast-track development lifecycle from

3、 design and innovation through solutions that include standards, specifications, requirements, business use cases, software toolkits, and interoperability testing. ATIS is accredited by the American National Standards Institute (ANSI). ATIS is the North American Organizational Partner for the 3rd Ge

4、neration Partnership Project (3GPP), a founding Partner of oneM2M, a member and major U.S. contributor to the International Telecommunication Union (ITU) Radio and Telecommunications sectors, and a member of the Inter-American Telecommunication Commission (CITEL). For more information, visit . AMERI

5、CAN NATIONAL STANDARD Approval of an American National Standard requires review by ANSI that the requirements for due process, consensus, and other criteria for approval have been met by the standards developer. Consensus is established when, in the judgment of the ANSI Board of Standards Review, su

6、bstantial agreement has been reached by directly and materially affected interests. Substantial agreement means much more than a simple majority, but not necessarily unanimity. Consensus requires that all views and objections be considered, and that a concerted effort be made towards their resolutio

7、n. The use of American National Standards is completely voluntary; their existence does not in any respect preclude anyone, whether he has approved the standards or not, from manufacturing, marketing, purchasing, or using products, processes, or procedures not conforming to the standards. The Americ

8、an National Standards Institute does not develop standards and will in no circumstances give an interpretation of any American National Standard. Moreover, no person shall have the right or authority to issue an interpretation of an American National Standard in the name of the American National Sta

9、ndards Institute. Requests for interpretations should be addressed to the secretariat or sponsor whose name appears on the title page of this standard. CAUTION NOTICE: This American National Standard may be revised or withdrawn at any time. The procedures of the American National Standards Institute

10、 require that action be taken periodically to reaffirm, revise, or withdraw this standard. Purchasers of American National Standards may receive current information on all standards by calling or writing the American National Standards Institute. Notice of Disclaimer theirexistence does not in any r

11、espect preclude anyone, whether he has approvedthe standards or not, from manufacturing, marketing, purchasing, or usingproducts, processes, or procedures not conforming to the standards.The American National Standards Institute does not develop standards andwill in no circumstances give interpretat

12、ion on any American NationalStandard. Moreover, no person shall have the right or authority to issue aninterpretation of an American National Standard in the name of the AmericanNational Standards Institute. Requests for interpretations should beaddressed to the secretariat or sponsor whose name app

13、ears on the titlepage of this standard.CAUTION NOTICE:This American National Standard may be revised orwithdrawn at any time. The procedures of the American National StandardsInstitute require that action be taken periodically to reaffirm, revise, orwithdraw this standard. Purchasers of American Nat

14、ional Standards mayreceive current information on all standards by calling or writing the AmericanNational Standards Institute.American National StandardPublished byAmerican National Standards Institute, Inc.11 West 42nd Street, New York, NY 10036Copyright 1998 by Alliance for Telecommunications Ind

15、ustry SolutionsAll rights reserved.No part of this publication may be reproduced in anyform, in an electronic retrieval system or otherwise,without prior written permission of the publisher.Printed in the United States of AmericaiContentsPageForeword ii1Scope . 12References . 13Definitions. 14Abbrev

16、iations 25General description 36Functional entities and call flows 47Procedures . 138SS7 signaling and protocols. 17Figures1Functional Architecture. 42Interrogating the HLR before querying the NP database . 63Querying the NP database before interrogating the HLR. 74NP Query - LRN returned. 85NP Quer

17、y - Dialed Digits Returned. 96NP database Query - Response other than connectionControl:Connect. 107NP database Query - Time-out. 118Incoming Call to Ported Number at a PLMN serving MSC. 129Incoming Call to Ported Number not served within PLMN . 1210Incoming Call to a Non-Ported Number Assigned to t

18、he PLMN. 13Tables1Provide Instruction Message Parameters. 182Complete TCAP Message Structure for the NP Database Query 193Connection Control Message Parameters 204Complete TCAP Message Structure for NP Database Response 21iiForeword(This foreword is not part of American National Standard T1.708-1998

19、.)This document titled PCS 1900 Service Provider Number Portabilitydescribes anetwork capability in a PCS 1900 network that facilitates call completion to a portablenumber. This document has been developed for use by PCS 1900 networks to meetthe anticipated needs of service provider portability, whi

20、ch is also referred to as Ser-vice Provider Number Portability in this document. This standard is intended for use in conjunction with American National Standard forTelecommunications - Signaling System Number 7 (SS7) - ISDN User Part (ISUP),ANSI T1.113-1995, American National Standard for Telecommu

21、nications - Call Com-pletion to Portable Number (CCPN), ANSI T1.660-1998,1)and American NationalStandard for Telecommunications - Signaling System Number 7 (SS7) - TransactionCapabilities Application Part (TCAP),ANSI T1.114-1996. Suggestions for improvement of this standard are welcome. They should

22、be sent toAlliance for Telecommunications Industry Solutions, 1200 G Street, NW Suite 500,Washington, DC 20005.This standard was processed and approved for submittal to ANSI by the AccreditedStandards Committee on Telecommunications, T1. Committee approval of this stan-dard does not necessarily impl

23、y that all committee members voted for its approval.At the time it approved this standard, the T1 Committee had the following members:Gerald H. Peterson, ChairmanE. Raymond Hapeman, Vice-ChairmanAlvin Lai, SecretaryM. Patel, Technical EditorOrganization Represented Name of RepresentativeEXCHANGE CAR

24、RIERSAmeritech L. Richard WoodLarry A. Young (Alt.)AT Version2.0, June 2, 1997.3 Definitions3.1 Directory Number: Any North American Numbering Plan (NANP) 10-digit dialable number assignedto address a wireline or a wireless subscriber. DNs are inclusive of Mobile Station International ISDNNumbers (M

25、SISDNs).-2)This standard is currently in production. Please contact the Secretariat for more recent information.3)Please contact the Secretariat for further information on this document.ANSI T1.708-199823.2 Donor: The term used to describe the switch or network from which the subscriber has ported.

26、If thesubscriber has ported more than once, the first switch or network to release the subscriber is referred to asthe original donor switch or donor network. The original donor switch is the switch to which the call will berouted in the absence of number portability information, as it is the owner

27、of the directory number.3.3 End User: A consumer of telecommunications services.3.4 Initiating MSC: The MSC (switch) that obtains routing information (i.e. LRN).3.5 Mobile Station International ISDN Number: An E.164 dialable number and, in the context of thisdocument, a 10-digit NANP directory numbe

28、r assigned to address a wireless service subscriber.3.6 Portable Number: Any number within a block of NANP numbers identified to be involved in numberportability by an appropriate (local, state, or federal) authority. Members of the block can be identified bytheir NPA-NXX. Finer granularity of the b

29、locks may be possible.3.7 Ported Number: A portable directory number that has been moved to a switch or network other thanthe donor.3.8 Service Provider: Any entity that is authorized, as appropriate, by local government, state, orfederal authorities to provide communications service to the public.3

30、.9 Service Provider Portability: Allows an end user to retain the same directory number afterchanging from one service provider to another.3.10 Recipient: The term used to describe the switch or network to which a subscribers directorynumber has been ported.4 AbbreviationsACG Automatic Code GappingA

31、NSI American National Standards InstituteCCPN Call Completion to a Portable NumberCdPN Called Party NumberCIC Carrier Identification CodeDN Directory NumberFCI Forward Call IndicatorsFRS Functional Requirements SpecificationGAP Generic Address ParameterGMSC Gateway Mobile Switching CenterGSM Global

32、System for Mobile TelecommunicationGTT Global Title TranslationHLR Home Location RegisterHON Handover NumberIAM Initial Address MessageISUP Integrated Services Digital Network (ISDN) User PartLATA Local Access Transport AreaLRN Location Routing NumberANSI T1.708-19983LSMS Local Service Management Sy

33、stemMAP Mobile Application PartMF Multi-FrequencyMS Mobile StationMSC Mobile Switching CenterMSISDN Mobile Station International ISDN NumberMSRN Mobile Subscriber Roaming NumberNANC North American Numbering CouncilNANP North American Numbering PlanNP Number PortabilityNPA Numbering Plan AreaNPAC-SMS

34、 Number Portability Administration Center - Service Management SystemPCS Personal Communication ServicesPLMN Public Land Mobile NetworkPSTN Public Switch Telephone NetworkREL Release MessageRN Routing NumberSCCP Signaling Connection Control PartSK Service KeySRI Send Routing InformationSTP Signaling

35、 Transfer PointSS7 Signaling System Number 7TCAP Transaction Capability Application PartTS Technical SpecificationVLR Visitor Location Register5 General DescriptionPCS 1900 will implement Number Portability according to the Location Routing Number (LRN) method.When the initiating Mobile Switching Ce

36、nter (MSC) determines that a call is to a portable number (thecalled party number lies within a portable range, e.g., NPA-NXX), it initiates a query to the NP database. Ifthe subscriber has ported, the Query Response message returns an LRN to the initiating MSC. If thesubscriber is not ported, the Q

37、uery Response message returns the called party number (dialed number) tothe initiating MSC.The LRN identifies the serving switch to which the subscriber has ported and is used by all switches in thecall path to route the call to the serving switch. The serving switch uses the LRN and the called part

38、ynumber to complete the call to the end user. The switch that obtains the LRN (initiating MSC) sends anindication in the forward call setup information that the NP status of the called party number has beendetermined, thus inhibiting subsequent queries at the succeeding switches/network. The call is

39、 routedusing the called party number if the subscriber is not ported or error/time-out occurs.ANSI T1.708-19984For numbers ported into the Public Land Mobile Network (PLMN), the LRN will be used to route to at leastone Gateway MSC (GMSC) of the PLMN. It may be necessary to assign multiple LRNs to th

40、e sameGMSC or same set of GMSCs. All LRNs routed to a particular GMSC shall be recognized by that GMSC.The NP database query may be made in either the terminating network or in a preceding network. Bothcases are supported by this standard.6 Functional Entities and Call Flows6.1 Functional EntitiesNP

41、- databasequery c) An indication in the Forward Call Indicators (FCI) bit M to indicate that a query to the NP databasehas been done, thus inhibiting subsequent queries at the succeeding switches.6.3 Call FlowsThe call flows presented in this clause only show scenarios pertaining to number portabili

42、ty. For example,the signaling from the HLR to the VLR currently serving the mobile subscriber (used to obtain the roamingnumber) is not shown.6.3.1 Alternatives for Querying an NP databaseWhen a mobile originating call or an incoming call arrives at an MSC and an NP database query has notbeen done,

43、the MSC shall progress the call in one of two ways, as shown in Figure 2 and Figure 3.6.3.1.1 Interrogating the HLR before querying the NP databaseMSC HLR NP DatabaseaprovideInstructions:Start (SK)bOriginating call/incoming callconnectionControl:Connect (RN)SRISRI Ack(unknown subscriber)cdeCall set

44、up using called numberfCall releaseCall setup using LRNghCase1Case2Case3TimerFigure 2 Interrogating the HLR before querying the NP databasea) Originating call or Incoming call with called party number is received by the MSC;ANSI T1.708-19987b) The MSC detects that the called party number may be serv

45、ed by this PLMN. The MSC sends SRIto the HLR with the called party number.c) The HLR returns “unknown subscriber” in the SRI Ack.d) The MSC sends provideInstructions:Start query to the NP database if the DN is within a portableNPA-NXX range. The Service Key (SK) parameter contains the called party n

46、umber.e) The NP database returns connectionControl:Connect response. The Routing Number (RN)parameter contains either the 10 digit LRN for the called party number or the actual called partynumber.f) Case 1: If the NP database returned the LRN, then the MSC will setup the call using the LRN if theLRN

47、 is not owned by the PLMN. Otherwise, the MSC will release the call using normal call releaseprocedures.g) Case 2: If the NP database returned the called party number and the PLMN is the donor networkfor the portable NPA-NXX, then the MSC will release the call using normal call release procedures.Th

48、is is the case when the called number is portable but unallocated.h) Case 3: If the NP database returned the called party number and the PLMN is not the donornetwork for the portable NPA-NXX, then the MSC will setup the call using the called party number.This is the case when the called party number

49、 is within a portable NPA-NXX, but not ported and notserved by this PLMN.6.3.1.2 Querying the NP database before interrogating the HLRMSC HLR NP DatabaseabSRISRI AckcefCall setup, paging or call release.Call setup using called numberhCase 1Case 2Case 3gCall setup using LRNconnectionControl:Connect (RN)Originating call/incoming callprovideInstructions:Start (SK)dFigure 3 Querying the NP database before interrogating the HLRa) Originating call or Incoming call with called party number is received by the MSC;TimerANSI T1.708-19988b) The MSC detects the called part