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For reference purposes onlyⅠ 5 Major Functions That Become Available by Telephone Network InterconnectionWe will provide the following major functions, etc., based on the requests by other carriers.Major FunctionOutline of FunctionTransmission line allocation function for localswitch and leased circuit node equipmentinterconnection (DSM-I)Function to carry out discretional route setting on the basis of 1.5-Mbpsunits in multiple multiplexed input and output transmission signals.Transmission-line interconnection usagefunctions (TCM local switch interconnection)Function to carry out multiplex conversion of interfaces (52 Mbps/156Mbps) in local switch interconnection.Tandem switch alternate route interconnectionfunction for overflow calls in local switchinterconnectionFunction to automatically shift to tandem switch alternate routes foroverflow calls, which cannot be transmitted due to failures, etc., at thetime of local switch interconnection.Synchronization signal supply functionFunction to supply clock signals generated by our clock generationequipment to synchronize telecommunications facilities.Local switch menu usage functionFunction to make it possible to provide optional added services by usingour local switch from the service control point (SCP) of other carriers.Carrier pre-subscription functionNumber portabilityFunction to enable telephone users to use the carrier they have selectedby pre-registration without dialing the carrier identification code.※For details, please refer to the “Ⅱ-1 Provision of Carrier Pre-Subscription Function” inthis Chapter.Function to enable users to change the telecommunications carrier fromwhich service is received, to another telecommunications carrier withoutchanging the telecommunications number that is assigned to the user.※For details, please refer to the “Ⅲ-1 Provision of Number Portability” in this Chapter

For reference purposes onlyⅠ 6 Entry Examples of Various Application Forms Concerning Telephone Network Interconnection ①Note : The “Articles of Agreement” in this application meansthe “Articles of Agreement Concerning Interconnectionto Designated Telecommunications Facilities.”Form 1Guidance and Entry ExamplesTo:No.Date:NTT EastFrom:Company:Name:SEALPlease complete byspecifying theinterconnection points withdesignatedtelecommunications facilities.Guidance and Entry ExamplesSpecific Contents for Negotiation (1/2)Please specifyinterconnection points fromamong those specified inParagraph 1, Article 5 ofthe Articles of Agreement.1. Points of InterconnectionPoints of interconnection specifiedin the Articles of AgreementExample 1) (3), Paragraph 1, Article 5 of the Articles of Agreement (TransmissionEquipment for Local Switch)Example 2) (1) (Subscriber Line End) and (4) (Transmission Equipment for TandemSwitch), Paragraph 1, Article 5 of the Articles of AgreementExample 3) Same as current statusPoints of interconnection other thanthose specified in the Articles ofAgreementExample) As specified in Attachment 1 (Technical Conditions for Cases in Which theArticles of Agreement Are Not Applied).Please specify the requestedPOI installation site(s).2. Demarcation point for telecommunications facilities(1) Requested POI installation sitePRELIMINARY SURVEY APPLICATIONPlease complete in case of requestinginterconnection at points of interconnectionother than those specified in Paragraph 1,Article 5 of the Articles of Agreement.Example 1) Within NTT East's BuildingExample 2) Within our Building (address)Example 3) In our manhole to be installed between our company and NTT East3. Area subject to interconnectionWe hereby submit the following Preliminary Survey Application for the purpose ofestablishing/changing interconnection with the NTT East networks.(1) Service area of applicant carriersubject to interconnection(2) Area subject to interconnectionper POIPlease complete in case of newinterconnection with NTT East'snetwork.Outline of interconnectionto be established/changedPlease describe area subject tointerconnection per POI with respect to yournetwork and NTT East's network.Specific contents fornegotiationExample 1) Scope in which our company obtained approval from Minister of PublicManagement, Home Affairs, Posts and TelecommunicationsPOI:Our network interconnection area:Example 1) Our service areaExample 2) Our Kanto sales areaNTT East's network interconnection area: Example 1) Tohoku areaExample 2) NationwidePOI:Our network interconnection area:Example 1) Our service areaExample 2) Our Kanto sales areaNTT East's network interconnection area: Example 1) Hokkaido area4. Technical conditions for interconnection (physical, electrical and logical conditions)Requested start timing fornew/changed interconnectionAddition of new technical conditionsYY/MM/DDInterconnection based on the technicalconditions specified in the Articles ofAgreement.(Name)Contact details (name andtelephone number)Please specify technicalconditions specified in theArticles of Agreement.｛Please circle anentry for each.Please complete in case of requestinginterconnection based on technicalconditions other than those specified inthe Articles of Agreement.NoSignaling network configurationSignaling speedCircuitreservationSectionDepartmentCompany TelFaxYesChapter XI (Technical Conditions) in the Articles of AgreementAs specified in Pattern - , Section , Chapter 2 (Technical Conditions byPattern), Collection of Technical Conditions.However, Paragraph is applied for Article (Connection Method).Priority originating-userreservationBi-directional reservationAssociated networkQuasi-associated network4.8kb/s48kb/sYesNoYesNoInterconnection based on technical As specified in Attachment 1 (Technical Conditions for Cases in Which theconditions other than those specified Articles of Agreement Are Not Applied).in the Articles of Agreement

For reference purposes onlyⅠ 6 Entry Examples of Various Application Forms Concerning Telephone Network Interconnection ②Attachment 1[Note]Please use this form in case any sectionincludes any technical condition that is NOTcovered by the Articles of Agreement and/orthe Collection of Technical Conditions.Guidance and Entry ExamplesGuidance and Entry ExamplesSpecific Contents for Negotiation (2/2)Technical Conditionsfor Cases in Which the Articles of Agreement Are Not AppliedPlease specify the facility capacity for each POI (number of lines,traffic, number of peak hour calls, number of peak day calls, etc.).5. Construction of telecommunications facilities(1) Capacity of switching and transmissionfacilities per POI(2) Applicant carrier facilities to be collocatedwithin NTT East buildings (if any)・Type, quantity, dimensions of facilities tobe installed・Electric power requirements・Other installation conditions ・OtherExample) POI: “XXX”Fiscal SFiscal S 1Fiscal S 2Please complete only when POI installation site is located withinNTT East building under (1) Requested POI installation site in 2Demarcation point for telecommunications facilities.Example 1) While the equipment to be used is the same as that presentlyused, the additional installation of two units of “XX” equipment is requested.The dimensions of this equipment are: H x W x D (m)Example 2) The installation of one unit of “XX” with NTT East specificationsis requested.6. Patterns of interconnectionArticles ofPatterns of interconnectionspecified in the Articles of Agreement AgreementChapter VII (Patterns of Interconnection)Attached Table 2-2, No. 〜No.Articles ofOptionalAgreementChapter VI (Patterns of Interconnection)Attached Table 2-2, No. 〜No.Please specify the pattern of interconnectionin the Articles of Agreement.7. Functions subject to network modification chargesOutline of functions requested by applicant carrier otherthan those subject to network modification charge8. Matters requiring operational cooperation｛(2) Types of function-usingterminals｛(3) Transmission equipmentinterfacePlease select functions from thosespecified in 1.2 (NetworkModification Charges), Table 1(Interconnection Charges), Articlesof Agreement.Please outline the requested function in case ofrequesting the use of a function not included inthe Articles of Agreement.（）（）（）Domestic basic and domestic value-added service; shared use・Applicant carrier network side（ Example 1) Subscriber telephones and ISDN terminals・NTT-East network sidea. Subscriber telephone b. General public telephoned. ISDN public telephone e. Other ()・No change in present function-using terminals）c. ISDN terminalPlease specify the interfacebetween the transmissionequipment to be used.Example 1) 52-Mb/s or 156-Mb/s digital interface by interoffice line interconnectionusing SDH interfacea. No.7 common-channel signaling system in conformity with TTC standardsc. Interface between PHS public cell station and digital networkd. No change in present signaling systeme. Other(5) Signaling networkconfiguration(6) Signaling speeda. Associated network(7) Numbering systema. 0 ABCDE FGHJ0: toll prefix; ABCDE: area code local exchange number; FGHJ: subscriber numberPlease select theappropriate item.Domestic value-added and international value-added service; shared useDomestic basic and international basic service; shared use10. Carrier pre-subscription functionUsage of carrier pre-subscription function: Yes or NoLocal callsIntra-prefecturetoll callsInter-prefecturetoll callsInternational callsb. 48kb/sb. Quasi-associated networkc. No change in present signaling speedb. 00XY 0 ABCDE FGHJ00XY: carrier identification code; 0: toll prefix;ABCDE: area code local exchange number; FGHJ: subscriber numberd. 00XY x〜x00XY: carrier identification code;x〜x: international number, etc.Please specify the NTT Eastnetwork function names withwhich you requestinterconnection.Carrier pre-subscription numberService areaa. 4.8kb/sd. Otherb. I-interfacec. 00XY x〜x (β1〜βn)00XY: carrier identification code; x〜x: service codeInternational basic service; exclusive usePlease enter a check mark in any of the four rows for each carrier identification code. Please check the first row in the case of“domestic basic service; exclusive use,” and check the second row in the case of “domestic value-added service; exclusive use”or “international value-added service; exclusive use.”Call categoryPlease specify the type(s) ofterminal in your company'snetwork that uses thefunctions.(4) Signaling system9. Carrier identification code and type of codeCarrier identification codeSpecific Contentsa. Subscriber line endb. Subscriber line transmission equipmentc. Local switch transmission equipmentd. Tandem switch transmission equipmente. Leased-line node transmission equipmentf. Signaling tandem switch transmission equipmentg. No change in present interconnection pointh. Otherpattern other than those specified in the Articles of Agreement.No. in 1.2.1.1 (Functions Subject to Network Modification Charges), 1.2(Network Modification Charges), Table 1 (Interconnection Charges), Articlesof Agreement.Example) Functions to interconnect our company's telecommunicationsfacilities and those of “XX” Carrier through NTT East telecommunicationsfacilities.(1) Matters for which NTT East cooperation is requested(matters other than those stipulated in the Articles ofAgreement in case the Articles of Agreement are applied)Please select theappropriate item.Please select theappropriate item.Patterns of interconnection other than those As specified in Attachment 2 (Patterns of Interconnection)specified in the Articles of AgreementPlease complete this section in case of requesting a pattern of interconnectionFunctions requested by applicant carrier from amongthose subject to network modification chargesTechnical Conditions(1) Point of interconnectione. 0A0 CD EFGHJ0A0: service identification code; CD: carrier identification code; EFGHJ: subscriber numberf. No change in present numbering plan.g. Other ()(8) Interconnection withNTT-East servicesExample 1) Request interconnection with the Free-Dial access functionExample 2) Request interconnection with the police and fire-fighting service access functions(9) Billing①Charging conditionsExample 1) Charging for ANM (charging indicator set as charging)Example 2) Same as present conditions11. OtherExample 1) Please provide synchronization signal.Example 2) In submitting this Preliminary Survey Application, the relevant consent has beensecured from “XX” Company.Example 3) Please list our company's subscriber numbers in the NTT East telephone directory.Please specify thecharging conditions.

For reference purposes onlyⅠ 6 Entry Examples of Various Application Forms Concerning Telephone Network Interconnection ③Attachment 1Guidance and Entry ExamplesGuidance and Entry ExamplesPatterns of InterconnectionTechnical Conditions②Charging-start/stop timingSpecific ContentsColumn 1Charging-start timing: a. Upon receipt of ANM (charging indicator set at charging)b. No change in present charging-start timingc. OtherOriginating Carrier1Please select theappropriate item.Charging-stop timing: a. Upon receipt of RELb. No change in present charging-stop timingc. OtherTransit CarrierOur companyTerminating CarrierNTT East2NTT East3Our companyNTT EastColumn 2Column 3Column 4Our companyLocal carrier4③Calls not subject tochargingPlease specify the statementdescription and settlementmethods.(10) Settlement between carriers(Statement descriptionand settlement method)(11) Test methodsPlease select theappropriate item.(12) Congestion controlfunctionsa. Unsuccessful calls b. Test callsc. Calls encountering facility faults, etc., that affect chargingd. No change in present subject callse. OtherExample) Statement description: the total billing amount including said access chargesSettlement method: monthly bank transfers per account and date designatedby NTT East statementa. Manual interconnection test: Confirming good/bad connection by providing automaticanswering trunk function to IGS and NCC-GS and manually conducting connection testingfrom both ends.b. Circuit activation access test: Upon line activation, confirming the name of the line, linenumber and good/bad calls between originating-switch outgoing side and terminatingswitch incoming sidec. Manual signaling route test: Confirming normal signaling linkd. Circuit matching test: Matching circuit status to eliminate inconsistenciese. No change in present test methodsf. Othera. In conformity with Article 56 of the Articles of Agreement (Restrictions on Interconnection Messages)b. No change in present control methodsc. OtherPlease specify the method of securingessential communications.(13) Securing essentialcommunicationsExample 1) Implementing priority calling party reservation circuit control in order tosecure essential communications(14) OtherExample 1) Additionally using “1111110” in “b) Number type indicator, 3.8 Callingparty number” in item (2) c., Paragraph 1, Article 18 of the Collection of TechnicalConditionsPlease specify any other mattersto be considered in negotiationsconcerning technical conditions.Carrier Setting User ChargesCarrier Billing User ChargesCarrier Paying Usage-SensitiveAccess Charges1Our companyOur companyOur company2NTT EastNTT Eastー3Our companyOur companyOur company4

For reference purposes onlyⅠ 6 Entry Examples of Various Application Forms Concerning Telephone Network Interconnection ④Form 8Guidance and Entry ExamplesGuidance and Entry ExamplesNo.Date:To: NTT EastFrom:Name:Company:Please specify the name of theNTT East building subject to thesurvey.Area name (building name)“XX” BuildingPlanned service starttimingLeased line serviceYY/MM/DDTelephone serviceYY/MM/DDNTT East“XX” Building (name of transmission LE)NCC“YY” Building (name of transmission LE)SEALTransmissionsectionPlease complete in case ofleased-line service.Example 1) F-600M systemExample 2) SDH 156 Mb/sTransmission systemPOI SURVEY APPLICATIONNumber oftransmissionsystems1. Survey request contentsTarget buildingSurvey contents“XX” BuildingAs indicated in theattachmentRequested interconnectionstart timingRemarksYY/MM/DDTransmission FacilitiesWe hereby request that a POI survey be undertaken as follows.Example) 1 1 SYS (present use backup)Example) STM0/STM1Please specify the dimensions ofeach equipment unit to be installedwithin the NTT East building.Antenna type, quantityFacility outlinePlease specify theheat generationvolume of eachequipment unit.Air-conditioningoutlinePower facilityoutlineWe will pay the costs required for the survey in accordance with a separatecontract to be concluded between us.At time of servicestartAt end of plannedinstallationInterconnection speedPlease specify whether theequipment complies withVCCI standards.2. Survey costsPlease complete in case oftelephone service.External dimensionsH x W x D (m)kg/m2Total weightExample 1) About “OOO” kcal/hExample 2) About “OOO” WHeat generationvolumeRequired capacityExample) 48V 4.8VVoltage standardsExample) Within DC I compliancePlease specify the weightper unit area.Please specify the voltagestandards for eachequipment unit.YesNoExample) 25 15 Humidity conditionsExample) 65 20%Power sourceExample) DC-48VSupply conditionsExample) UPS neededType of groundingExample 1) Communications ( grounding)Example 2) Type Ⅲ arrester groundingPlease specify any conditionsfor power reception.Line/undergroundfacilitiesNumber of routesExample) One routeNumber of conduitsExample) One conduitNumber of cablesExample) One cableNumber of cable coresExample) 20 cable coresType of cable coreExample) SM (Single Mode)OtherPlease specify the numberof cable lead-ins to theNTT East building.Please specify the type ofcable corePlease specify the number of cable leadin routes to the NTT East buildingPlease specify the number of cable leadin conduits to the NTT East building.Please specify the number of cable leadin cores to the NTT East building.

For reference purposes onlyⅡ 1 Provision of Carrier Pre-Subscription FunctionsCarrier pre-subscription functions make it possible for callers to use the selected telecommunications carriers without dialing the carrieridentification code by registering th

Chapter 3: MDF Interconnection (Related to DSL Services) Ⅰ Patterns of MDF Interconnection 42 Ⅱ Pattern of MDF Interconnection by Collocation 43 Ⅲ DSL Work Flow and Standard Timing 44 Ⅳ Acceptance of Applications for DSL Service Line Activation 45 Ⅴ-1 Rules Concerning Line Accommodation, Etc., for Each Transmission