Prepare LSR/SUPP using electronic system AT&T Prepares Order to send to BST Order Type? 1.0 AT&T Coordination required? Non-Mechanized Mechanized or Partially Mechanized 6 5 No Selection of Coordination or time specific boxes on LSR Select Coordination Box on LSR Time Specific? Yes No Select time specific box & indicate time 3 Yes No 3 B B 9 2 AT&T Complete LSR Attachment 2 Exhibit C Coordinated Hot Cut Process Ordering & Provisioning of Unbundled Loops with Number Portability Page 10 FL 6/16/00 2 Order Type? AT&T Mechanized or Partially Mechanized AT&T Non-Mechanized Send LSR to BST via electronic interface Send LSR to BST via fax BST does system check to verify facility records BST makes physical Inspection of Facilities Records Inadequate/ unavailable? Yes No C

AT&T OK? BST Notify AT&T via Clarification AT&T Corrects & Issues Supp. 5 No C AT&T BST return FOC to AT&T AT&T Receives FOC Is due time different than request? Note Order Log No Yes Notify End User of due date & time Acceptable? D AT&T Update ASR Attachment 2 Exhibit C Coordinated Hot Cut Process Ordering & Provisioning of Unbundled Loops with Number Portability Page 11 FL 6/16/

D Yes No AT&T Perform internal steps to ready for cut Negotiate/request new due date & time 6 BST Places Loop Assignment info on service order BST sends service Order to CPG 7 BST Wires COSMOS Frame Wired By Plant Test Date? E E BST Test for dial tone and verify ANI BST Notifies AT&T via jeopardy 7 No Yes Good? Yes 8 No AT&T BST Refer no dial tone to AT&T AT&T Receives No Dial Tone Call AT&T Perform Internal Test F Page 12 FL 6/16/00 Attachment 2 Exhibit C Coordinated Hot Cut Process Ordering & Provisioning of Unbundled Loops with Number Portability AT&T Send create message to NPAC to prepare for cut BST sends concurrence message to NPAC within 18 hours of create being done

F Fixed? Yes END NoAT&T Dispatch Technician Problem fixed? Yes No END AT&T Notify BST to dispatch Technician AT&T BST to Dispatch Technician AT&T Dispatch Technician to meet BST G AT&T Fix by Due Date? Yes No END AT&T 9 Fix Problem AT&T Notifies BS & Issues SUPP BST Problem AT&T Problem Page 13 FL 6/16/00 Attachment 2 Exhibit C Coordinated Hot Cut Process Ordering & Provisioning of Unbundled Loops with Number Portability

G AT&T Yes No AT&T Tech meets BST Tech & jointly isolate & repair trouble BST 48 hours call to AT&T BST verifies dial tone & ANI on day of cut as a precaution/ safety check OK? BST Cut Order as requested/agreed by AT&T BST verifies ANI after cut has been performed BST Contact AT&T & issues jeopardy AT&T/BST negotiates new date & new time 10 H 8 H AT&T OK? No AT&T Performs Internal verification tests Yes AT&T END BST Tech calls AT&T after cut AT&T notifies BST of Acceptance BST Closes all associated BST Orders AT&T notifies BST of problem & Non-Acceptance BST Investigates & issues trouble ticket & resolves 11 AT&T AT&T Verify Problem Resolved Resolved? No Yes Page 14 FL 6/16/00 12 Attachment 2 Exhibit C Coordinated Hot Cut Process Ordering & Provisioning of Unbundled Loops with Number Portability BST Tech meets AT&T Tech & jointly isolate & repair trouble