NANC Report Future of Numbering (FoN) Working Group FoN Tri-Chairs Allyson Blevins, Charter Comm. Cullen Robbins, Nebraska PSC Suzanne Addington, Sprint June 29, 2017

Future of Numbering WG DRAFT Mission To explore changes to the environment, including new and future technologies, the impact of market place and/or regulatory changes and innovations on telephone numbering. Scope: The Working Group will investigate new telephone numbering assignment approaches and future telephone number assignment requirements. The Working Group will identify common criteria and gather data to identify trends and their impact upon numbering resources. The Working Group, if necessary, will analyze opportunities to determine the feasibility and benefit of each and report its findings to the NANC. The Working Group will also analyze various topics that may be given to it from time to time by the NANC and/or FCC.

Future of Numbering WG On May 19th, the FoN WG received a referral from Chairman Kane and the NOWG regarding Foreign Ownership of Interconnected VoIP applicants seeking to obtain numbers directly. The FoN WG met several times in June to discuss the request and provided our input to the NOWG by June 19th as requested. The FoN WG continues to receive updates from other industry forums to keep the members informed including those listed below. ATIS Testbed Activities ATIS INC LNPA WG ATIS/SIP Forum (NNI) Nationwide10-digit Dialing continues to be on the open portion for future meetings.

Future of Numbering Attendees 800 Response Information Services AT&T ATIS ATL Communications Charter Communications Canadian Radio Television and Telecommunications Commission CenturyLink ChaseTech Consulting LLC Comcast Cox Communications Custom Toll Free EarthLink Business Evolving Systems iconectiv Idaho Public Utilities Commission (NARUC) Integra Telecom John Staurulakis, Inc. (JSI) Kiesling Associates LLP Maine Public Utilities Commission MA Dept. of Telecommunications & Cable Michigan Public Service Commission Minnesota Department of Commerce Nebraska Public Service Commission (NARUC) NENA Neustar Oregon Public Utility Commission Pennsylvania Public Utility Commission PHONEWORD SIP Forum SOMOS Sprint TCA, Telecom Consulting Associates TeleSmart T-Mobile US Telecom Verizon Vonage Washington Utilities and Transportation Commission Wisconsin Public Service Commission

Meeting Schedule/Contact Info Regular FoN WG Conference Calls Held: April 12,2017 Auxiliary FoN WG Conference Calls Held: June 1,2017 June 5, 2017 June 13, 2017 June 19, 2017 Scheduled calls: Next Meeting: August 2, 2017 October 11, 2017 Contact info: Allyson.Blevins@charter.com Cullen.robbins@nebraska.gov Suzanne.M.Addington@sprint.com FoN meeting notes and documents are posted at: http://www.nanc-chair.org/docs/documents.html