North American Numbering Council Billing & Collection Working Group (B&C WG) April 17, 2007 Co-Chairs: Rosemary Emmer, Sprint Nextel Tim Decker, Verizon

April 17, 2007B&C WG2 Mission Statement / Area of Responsibility The NANCs Billing and Collection Agent Oversight Working Group (B&C WG) is responsible for overseeing the performance of the functional requirements provided by the NANP Billing and Collection Agent (B&C Agent). The B&C WG will investigate/review the performance of the B&C Agent and submit reports at each NANC meeting to fully inform NANC of the B&C Agents performance with respect to the functional requirements. At the request of the FCC and/or NANC, the B&C WG will identify and determine the financial impact, feasibility and/or the appropriateness of initiatives/activities that may need to be included in the budget or use these Funds.

April 17, 2007B&C WG3 Current Activities 2005/2006 Welch & Co. Performance Review Budget for period July 2007 – June 2008 Contribution Factor for period July 2007 – June 2008

April 17, 2007B&C WG4 2005/2006 Welch & Co. Performance Review Developed a rating schematic similar to the NOWG for consistency – determined that the rating system for working groups chartered by the NANC should be one and the same, will work with the NOWG in June to determine one solid rating system. Developed the evaluation consistent with the monthly deliverable matrix. Scheduled conference calls to gain industry consensus on rating and evaluation.

April 17, 2007B&C WG5 Budget for period July 2007 – June 2008 Working with the proposed budget created by Welch & Co. to arrive at a reasonable Budget and Fund Size in order to ensure sufficient funds are available for anticipated disbursements. The current proposed total projected cost for the NANP fund is $7,430,374, with a $1M contingency provision built in.

April 17, 2007B&C WG6 Proposed Contribution Factor for period July 2007 – June 2008 The B&C WG is responsible for the review and ultimately the approval process for the formula and calculation of the contribution factor. Option 1 is designed to exhaust the entire anticipated fund surplus. (June 30, 2007 of $1,990,084) The US carriers would be required to fund $4,530,185 with a funding factor of This option leaves only the $1,000,000 in the surplus account which is the contingency provision. Option 2 is designed to arrive at a contribution factor of exactly This scenario reduces the surplus by $1,829,430 and the total contribution by the US carriers would be $4,690,839. There would be $160,654 excess surplus that could be carried forward to subsidize contributions in the future. Option 3 is calculated to arrive at a contribution factor of exactly This scenario reduces the surplus by $1,594,888 and the total contribution by the US carriers would be $4,925,381. There would be $395,196 excess surplus that could be carried forward to subsidize contributions in the future.

April 17, 2007B&C WG7 History of NANP Fund Size and Contribution Factor

April 17, 2007B&C WG8 B&C WG Membership AT&T Bell Canada Cox CTIA Sprint Nextel Qwest Verizon

April 17, 2007B&C WG9 Future Meetings Contact the Co-Chairs for complete meeting or conference call details or (Other meetings for the B&C WG may be scheduled as needed beyond what has been identified above) B&C WG meeting notes and documents are posted at nanc-chair.org Tuesday, April 24 11:00am Eastern 1hr Tuesday, June 5 11:00am Eastern 1hr Tuesday, July 24 11:00am Eastern 1hr