mismatch

1. End-user agrees to change to New Service Provider New Service Provider obtains end-user Authorization Old (optionally) and New Service Providers notify NPAC. BB Did NPAC receive both and matching create messages within 9 business hours (t1)? Did Old SP place order in Conflict? B NPAC logs no response END 4/25/97 NANC ISSUE 1.0 INTER-SERVICE PROVIDER LNP OPERATIONS FLOWS - PROVISIONING - Old Service Provider provides Firm Order Confirmation (FOC) to New Service Provider within 24 hours. New Service Provider notifies Old Service Provider of change using Local Service Request (LSR) Is end-user porting all telephone numbers? Old and New Service Providers create and process service orders yes End-user Contact 1 2 8 7 6 4 no New Service Provider notes “not all TNs being ported” in remarks field on LSR 3 5 mismatch NPAC notifies appropriate Service Provider that create message is mismatched. New Service Provider coordinates Physical changes with Old Service Provider 9 Is the unconditional 10 digit trigger being used? 18 15 NPAC performs data validation on each individual message. match yes no yes 24 10 Is data valid? no Does NPAC receive create message within 9 business hours (t2)? 14 no timer expired 11 Return data to Service Provider 12 match NPAC notifies appropriate Service Provider that create message is missing. AA A 19 17 16 Data corrected & forwarded yes timer expired NPAC notifies Old Service Provider that porting proceeds under control of the New Service Provider 13 NPAC logs request to place order into Conflict including cause code. Is create message missing from New or Old Service Provider? NPAC notifies both Service Providers that transaction is cancelled and change is rejected. Old New 21 25 26 22 20 23 figure 1

2. A END 4/25/97 NANC ISSUE 1.0 INTER-SERVICE PROVIDER LNP OPERATIONS FLOWS - PROVISIONING WITHOUT UNCONDITIONAL 10-DIGIT TRIGGER - NPAC SMS downloads (real time) to all Service Providers All Service Providers update routing data bases (real-time download). 4 8 NPAC SMS records date and time in history file Old and New Service Providers make physical changes (where necessary) New Service Provider activates its C.O. translations 5 New Service Provider may verify completion 1 2 Old Service Provider removes translations in Central Office 9 6 New Service Provider notifies NPAC to activate subscription 10 3 NPAC SMS logs failures and non-responses, and notifies Old and New Service Providers of failures 7 figure 2

3. AA New Service Provider activates C.O. translations. 2 New Service Provider may verify completion END 4/25/97 NANC ISSUE 1.0 INTER-SERVICE PROVIDER LNP OPERATIONS FLOWS - PROVISIONING WITH UNCONDITIONAL 10-DIGIT TRIGGER - All Service Providers update routing data bases (real-time download) NPAC SMS downloads (real time) to all Service Providers Old Service Provider activates unconditional 10 digit trigger in Central Office 8 5 New Service Provider notifies NPAC to activate subscription NPAC SMS records date & time in history file Old and New Service Providers make Physical Changes (where necessary) Old Service Provider removes appropriate translations. 4 1 6 3 9 NPAC SMS logs failures and non-responses, and notifies Old and New Service Providers of failures 7 11 10 figure 3

4. B BB NPAC notifies both Service Providers of conflict off via SOA BB NPAC changes the subscription to Conflict Status and notifies both Service Providers New Service Provider contacts the Old Service Provider to resolve Conflict . If no agreement is reached, begin normal escalation. 4/25/97 NANC ISSUE 1.0 INTER-SERVICE PROVIDER LNP OPERATIONS FLOWS - CONFLICT FLOW FOR THE SERVICE CREATION PROVISIONING PROCESS - NPAC rejects conflict request. First time into conflict? no Cancel Orders C 5 How was Conflict resolved? 2 yes Revert to porting process 8 Is Conflict initiated prior to noon the business day before Due Date? If conflict was resolved within 6 business hours, only the Old Service Provider may notify NPAC of “conflict off” . If conflict was resolved after 6 business hours, either New or Old Service Provider may notify NPAC of “conflict off”. yes no Was conflict resolved within 30 calendar days ? 9 no “Timeout” 3 yes 7 10 NPAC initiates cancellation and notifies both Service Providers 4 END 6 11 12 figure 4

5. End-user F Did end-user contact Old or New Service Provider? C NPAC logs information, cancels subscription, and notifies both Service Providers of cancellation Old Service Provider obtains end-user authorization F 4/25/97 NANC ISSUE 1.0 INTER-SERVICE PROVIDER LNP OPERATIONS FLOWS - CANCELLATION FLOW FOR PROVISIONING PROCESS - New Service Provider sends LSR to Old Provider noting cancellation as soon as possible prior to activation time. 1 Old Service Provider sends cancellation to NPAC, if appropriate.) New 5 6 Did NPAC receive notification(s) within 9 business hours 2 New Service Provider sends notification of cancellation to NPAC if appropriate. yes Old END 12 7 8 no 11 3 Does NPAC receive concurring notification within 9 business hours? NPAC notifies appropriate Service Provider that information is missing. yes Old Service Provider sends notification to New Service Provider 9 4 10 no H figure 5

6. New Service Provider notifies NPAC to cancel subscription END How does New Service Provider wish to continue? NPAC notifies both Service Providers of conflict off via SOA 4/25/97 NANC ISSUE 1.0 INTER-SERVICE PROVIDER LNP OPERATIONS FLOWS - CANCELLATION CONFLICT FLOW FOR PROVISIONING PROCESS - NPAC logs information, cancels subscription, and notifies both Service Providers of cancellation with proper cause code H Old 2 Is Old or New Service Provider cancellation notification missing or inaccurate? NPAC logs information, cancels subscription, and notifies both Service Providers of cancellation 10 5 6 1 Cancel Subscription New NPAC waits for 30 calendar days, cancels subscription, and notifies both Service Providers of timeout NPAC logs information, place subscription in “conflict status” with proper conflict cause code and notifies both Service Providers. Ignore 3 4 7 Revert to Pending (Proceed with porting process) New Service Provider notifies NPAC to remove subscription from Conflict Status BB figure 6 9 8

7. NPAC notifies NPA/NXX owner/holder of the disconnected telephone number(s), effective release and disconnect dates 4/25/97 NANC ISSUE 1.0 INTER-SERVICE PROVIDER LNP OPERATIONS FLOWS - DISCONNECT PROCESS FOR PORTED TELEPHONE NUMBERS - Current Service Provider initiated disconnect. 2 Current Service Provider notifies NPAC of disconnect date and indicates effective release date. Current Service Provider arranges intercept treatment. Current Service Provider creates and processes service order. End-user 1 3 4 5 NPAC broadcasts subscription deletion to all applicable Service Providers NPAC deletes telephone number from its active database on effective release date. END 9 8 6 7 figure 7

8. NPAC SMS compares own Subscription Version to LSMS Subscription Version NPAC SMS updates appropriate LSMS with Subscription Version updates NPAC SMS issues queries to appropriate LSMSs Service Provider requests NPAC for audit 1 2 3 4 NPAC reports audit completion to requesting Service Provider 6 END 7 4/25/97 NANC ISSUE 1.0 INTER-SERVICE PROVIDER LNP OPERATIONS FLOWS - AUDIT PROCESS - No All audits completed ? 5 Yes figure 8

9. 4/25/97 NANC ISSUE 1.0 INTER-SERVICE PROVIDER LNP OPERATIONS FLOWS - CODE OPENING PROCESSES- NPA-NXX Code Opening NPA-NXX holder notifies NPAC/SMS of NPA-NXX Code(s) being opened for porting NPAC SMS sends notification of code opening to all Service Providers via LSMS NPAC SMS updates its NPA-NXX databases 1 2 3 First TN Ported in NPA-NXX NPAC SMS sends notification of first TN ported to all Service Providers via SOA and LSMS NPAC SMS receives subscription Create request for first TN in NPA-NXX 1 2 figure 9