9/11 Pager Messages

NETWORK ALERT/UPDATE/RIO DE JANERIO, BRAZIL/SS7-LINKS: AS OF 0830 GMT (0430 EDT) THE DNV_STP TO RIO DE JANEIRO, BRAZIL SS7-LINKS ARE STILL OOS. THERE IS NO CUSTOMER IMPACT DUE TO REDUNDANCY THROUGH CHICAGO_STP. INCIDENT DURATION: 11 HOURS 7 MIN

UTES. KDR/NNOC

NETWORK ALERT/UPDATE/RIO DE JANEIRO, BRAZIL/SS7-LINKS: AS OF 1140 GMT (0740 EDT) ALL OF THE SS7 LINKS ARE STILL OUT OF SERVICE FROM THE RIO DE JANEIRO_STP TO THE DENVER STP. THE RIO MSO IS STILL WORKING TO CORRECT THE PROBLEM. THERE IS NO CUSTOM

ER IMPACT DUE TO REDUNDANCY THROUGH THE CHICAGO STP. INCIDENT DURATION: 13 HOURS 17 MINUTES...DMR/NNOC

FLASH/L1/INITIAL-FINAL/SHACKLEFORD/EBTS: BETWEEN 1252 GMT (0852 EDT) AND 1302 GMT (0902 EDT) A BELL SOUTH TECHNICIAN ACCIDENTLY REMOVED 2 DS3 FIBERS RESULTING IN LOSS OF SERVICES TO 22 OUT OF 226 EBTS

SITES IN THE SHACKLEFORD MARKET. THE MSO REPLACED FIBERS RESTORING ALL SERVICES TO THE AFFECTED SITES. 13 OF THE AFFECTED SITES WERE RESTORED IN 2 MINUTES. CUSTOMER IMPACT AND INCIDENT DURATION 10 MINUTES. HS/NOC

FLASH/CATASTROPHIC/INITIAL/NATIONAL: AS OF 1300 GMT (0900 EDT) DUE TO THE DISASTERS IN THE NEW YORK AND BAWA MARKETS DUE TO THE TRAFFIC VOLUMES CALLS ARE BLOCKED. CUSTOMER IMPACT AND INCIDENT DURATION: 1 HOU

R 20 MINUTES...DMR/NNOC

FLASH/L1/INITIAL-FINAL/PARTNERS ALABAMA/TRANSMISSION: AS OF 1600 GMT (1200 EDT) A PARTNER DS3 LOST SERVICE AFFECTING ALL SERVICES TO 11 EBTS SITES IN THE MOBILE AL AREA. THE DS3 SELF-RESTORED RESTORING ALL SERVICES TO THE AFFECTED SITES

. THE MSO AND US CARRIERS ARE STILL INVESTIGATING THE ROOT CAUSE. CUSTOMER IMPACT AND INCIDENT DURATION: 45 MINUTES...HS/NNOC

FLASH/L1/INITIAL/SYRACUSE (PARTN

ERS)/TRANSMISSION: AS OF 17:41 GMT (13:41 EDT) 3 VERIZON DS3'S ARE OUT OF SERVICE IN SYRACUSE CAUSING A LOSS OF ALL SERVICES TO 44 OUT OF 336 NEXTEL PARTNER EBTS SITES IN THE CENTRAL PENNSYLVANIA AREA. THE MSO AND VERIZON (LOCAL TELCO) ARE CURRENTLY

INVESTIGATING THE ROOT CAUSE. CUSTOMER IMPACT AND INCIDENT DURATION: 30 MINS CTD/NNOC

NETWORK ALERT/INITIAL/DENVER/TRANSMISSION: AS OF 1530 GMT (1130 EDT) THE SS7 LINKS FROM THE DENVER STP TO THE CLEARNET QUEBEC STP IS OOS. THE DENVER MSO AND CLEARNET ARE INVESTIGATING THE ISSUE. THERE IS NO CUSTOMER IMPACT DUE TO REDUNDANCY. INCIDE

NT DURATION: 3 HOURS. NNOC

FLASH/CATASTROPHIC/UPDATE/BAWA & NEW YORK/TRANSMISSION: THE MARKETS AFFECTED ARE GOING BACK TO NORMAL OPERATIONS. PARAMATERS ARE ALSO BEING CHANGED BACK AT THIS TIME. THE MSO AND VENDORS WILL MONITOR THE MARKET FOR STABILITY. THE 703-288-7930 BRIDG

E WILL REMAIN OPEN FOR 24 HOURS TO MONITOR ANY NETWORK ISSUES. CUSTOMER IMPACT AND INCIDENT DURATION: 8 HOURS 8 MINUTES. SJW/NNOC

FLASH/CRITICAL/UPDATE/SYRACUSE(PARTNERS)/TRANSMISSION: AS OF 2041 GMT (1641 EDT) 3 VERIZONS DS3 'S ARE STILL OUT OF SERVICE IN SYRACUSE CAUSING A LOSS OF ALL SERVICES TO 103 OUT OF 336 NEXTEL PARTNER EBTS SITES IN THE CENTRAL PENNSYLVANIA AREA. C

USTOMER IMPACT AND INCIDENT DURATION 3 HOURS. MRH/NNOC

FLASH/L1/INITIAL-FINAL/NEW YORK/VMS: BETWEEN 2107 GMT (1707 EDT) AND 2122 GMT (1722 EDT) NYK_VMS2 PERFORMED A SELF REBOOT AFFECTING ALL SUBSCRI

BERS ON NYK_VMS2. NTS AND GLENAYRE ARE INVESTIGATING THE ROOT CAUSE. CUSTOMER IMPACT AND INCIDENT DURATION: 15 MINUTES..AF/NNOC

NETWORK ALERT/UPDATE/DENVER/TRANSMISSION: AS OF 2155 GMT (1755 EDT) THE SS7 LINKS FROM THE DENVER STP TO THE CLEARNET QUEBEC STP CONTINUES TO BE OOS. . THERE IS NO CUSTOMER IMPACT DUE TO REDUNDANCY. INCIDENT DURATION: 6 HOURS 25 MINUTES. SJW/

NNOC

FLASH/CATASTROPHIC/UPDATE/BAWA & NEW YORK/TRANSMISSION: THE MARKETS AFFECTED ARE GOING BACK TO NORMAL OPERATIONS. AUTHENTICATION PARAMETERS ARE BEING CHANGED BACK AT THIS TIME.THE MSO, NNOC, AND VENDORS WILL MONITOR THE MARKET FOR

STABILITY. THE BRIDGE NUMBER WAS CHANGED TO 1-847-538-1299. THE FOLLOWING METRO-1 CALL CENTERS ARE CURRENTLY ALT-ROUTED DUE TO CALL CONGESTION: NYRK 2-6, PHIL-1&2, NENG-1-3, AND BAWA-1-4. INCIDENT DURATION 10 HOURS 38 MINUTES. DDJ/NNOC

FLASH/L1/UPDATE/SYRACUSE (PARTNERS)/TRANSMISSION: AS OF 0041 GMT ( 2041 EDT) 15 OUT OF 336 NEXTEL PARTNER EBTS SITES IN THE CENTRAL PENNSYLVANIA AREA REMAIN DOWN CAUSING A LOSS OF ALL SERVICES DUE TO 3 VERIZON DS3'S THAT WENT OUT OF SERVICE. CUS

TOMER IMPACT AND INCIDENT DURATION 7 HOURS. MRH/NNOC

FLASH/L1/INITIAL/GARDEN CITY/TRANSMISSION: AS OF 2345 GMT (1945 EDT) THE WEST STREET CENTRAL OFFICE LOST COMMERCIAL POWER AFFECTING 20 VOICE TRUNKS AND CAUSING THE LOSS OF ALL SERVICES TO 50 EBTS SITES IN THE DOWNTOWN NEW YORK AND ST

ANTON ISLAND AREA. THERE IS NO ETR AT THIS TIME. CUSTOMER IMPACT AND INCIDENT DURATION 1 HOUR 30 MINS.

NETWORK ALERT/FINAL/DENVER/TRANSMISSION: AS OF 0050 GMT (2050 EDT) THE SS7 LINKS FROM THE DENVER STP TO THE CLEARNET QUEBEC STP ARE BACK IN SERVICE. THERE IS NO CUSTOMER IMPACT DUE TO REDUNDANCY. INCIDENT DURATION: 9 HOURS 20 MINUTES. SJW/NNO

C

NETWORK ALERT/UPDATE/RIO DE JARNERIO, BRAZIL/SS7-LINKS: AS 0210 GMT (2210 EDT) THE SS7 LINKS ARE STILL OUT OF SERVICE FROM THE RIO DE JANEIRO_STP TO THE DENVER STP. THERE IS NO CUSTOMER IMPACT DUE TO REDUNDANCY THROUGH THE CHICAGO STP. INCIDENT

DURATION: 27 HOURS 47 MINUTES. SJW/NNOC

FLASH / L1/FINAL/SYRACUSE (PARTNERS)/TRANSMISSION: AS OF 0000 GMT (2000 EDT) SERVICE HAS BEEN RESTORED TO ALL AFFECTED SITES. VERIZON REPAIRED AFFECTED FIBER CABLE. CUSTOMER IMPACT AND INCIDENT DURATION 6 HOURS 5 MINS. RRL/NNOC

FLASH / L1/ UPDATE/GARDEN CITY/TRANSMISSION: AS OF 0430 GMT (1230 EDT) THE WEST STREET CENTRAL OFFICE IS STILL WITHOUT COMMERCIAL POWER AFFECTING 20 VOICE TRUNKS AND CAUSING THE LOSS OF ALL SERVICES TO 50 EBTS SITES IN THE DOWNTOWN NEW YORK AND ST

ANTON ISLAND AREA. THERE IS NO ETR AT THIS TIME. CUSTOMER IMPACT AND INCIDENT DURATION 4 HOUR 45 MINS. RRL/NNOC