CG-IEIK-001 Issue 4-August 1, 2005

The on-going maintenance responsibilities for the E911customer are shown below:

• Submit MSAG Ledgers as needed to ICO
• Resolve Address Verification Requests (AVR) referred by ICO
• Submit PSAP Inquiry Forms to ICO
• Submit ESN realignments / new ESN requirements to the BST marketing contact allowing sufficient lead-time. The amount of lead-time required will vary depending upon the extensiveness of the changes, minimum lead-time is thirty(30) days.