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Verizon Wireless Roaming Database Management

“The VZW Network”

175 Serving MSCsLucent

Nortel

Motorola

21 Standalone HLRs

HP

92 Integrated HLRsLucent

16670 MBI Ranges

485 BIDs

164 Transmitted SIDs

Approximately 150,000 MBIs (10k) loaded into each VZW MSC

Approximately 1500 MSCIDs loaded into each VZW MSC & HLR

Approximately 1200 Point Codes loaded into each VZW MSC & HLR

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Verizon Wireless Roaming Database Management

“The VZW Announcement Process”

•A Formatted and Categorized Tech Data Sheet

•Distribute Regular Industry Announcements - 1st & 15th

•45 Day Notification for New Network Elements

•30 Day Notification for New MBI Ranges

•30 Day Notification for MBI Re-Homes

•Manage and monitor Network to avoid Emergency Announcements

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Verizon Wireless Roaming Database Management

• Verizon Centralized Roaming System (VCRS)

• Performs Roaming Updates to all VZW MSCs & HLRs (Weekly)

• Collects Roaming Database images from HLR/MSCs

• Contains Industry Master MBI Tech Data

• Contains VZW Roaming Agreements at the BID Level

• Allows date and time of day scheduling to support routing/rehome changes

• Allows Carriers to Perform Load Checks (ROMS)

• Web Interface for Submitting Roaming Tickets

• Allows exception management based on carrier request (example: brownout request)

“The Platform”

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Verizon Wireless Roaming Database Management

“The Pro-Active Approach”

•Monitor Clearing House for Carrier MBIs

•Monitor Utilization Reports to Track VZW MBI Usage

•Bi-Monthly MBI Audits on MSCs based on Roaming Agreements and Carrier Technical Data

•Monthly MSCID & Point Code Audits on MSC/HLRs

•Monitor MSC/HLRs for Timeouts & Errors

•Monitor STPs for Gateway Screening Errors

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Verizon Wireless Roaming Database Management

“The Results”

Jan-03 Feb-03 Mar-03 Apr-03 May-03 Jun-03 Jul-03 Aug-03 Sep-03 Oct-03 Nov-03 Dec-03Total VZW Serving Tickets 2996 2519 2348 2478 2093 2068 2132 1964 2030 2057 1858 1546Total MIN Loading Tickets 282 163 115 108 52 70 63 64 47 49 31 31

Jan-04 Feb-04 Mar-04 Apr-04 May-04 Jun-04 Jul-04 Aug-04 Sep-04 Oct-04 Nov-04 Dec-04Total VZW Serving Tickets 1410 1185 1276 1188 1226 1089 1166 1176 1160 1159 1006 755Total MIN Loading Tickets 8 46 25 31 23 18 61 50 22 39 30 19

Jan-05 Feb-05 Mar-05 Apr-05 May-05 Jun-05 Jul-05 Aug-05 Sep-05 Oct-05 Nov-05 Dec-05Total VZW Serving Tickets 815 774 803 767 822 926 885 931 806 833 575 399Total MIN Loading Tickets 17 4 13 6 13 9 9 6 6 9 12 8

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Verizon Wireless Roaming Database Management

ROMS Websitehttps://roms.verizonwireless.com/index.htm

• Instantly creates a trouble ticket that is available to be worked

• Provides a trouble ticket number to ticket creator for reference

• Allows ticket creator to provide detailed and accurate information

• Provides immediate notification when the trouble is resolved

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ROMS Website

• Enter MBI/MIN and choose a Verizon SID to check the load on each MSC

• Click Create Service Request to open a ticket

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ROMS Website

• Enter the customer’s MBI/MIN

• Select the Serving MSC

• Select a standard roaming problem type (MIN load, SS7 routing, etc.)

• OR

• For Voice, Data and SMS issues, select

Other problem type not shown

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ROMS Website

• Fill in each field

• Select an appropriate problem type

• Provide detailed comments including research you have done and specific examples

• Be sure to include specific details

• Contact Rachel.Durden @verizonwireless.com for ROMS Administration Issues