1 NIIF Summary Report Activities since the NIIF #52 meeting April 11, 2006 Cathie CapitaRobert Schafer NIIF Co Chair

2 NIIF Leadership 2006 Network Interconnection/Interoperability Forum NIIF Co Chair:Robert Schafer (Verizon) NIIF Co Chair:Cathie Capita (T-Mobile) Network Inter-Operability Committee NIOC Co Chair:Robin Meier (AT&T) NIOC Co Chair:Bob Amling (Telcordia Technologies) Network Rating Resources Information Committee NRRIC Co Chair: Karen Hoffman (John Staurulakis, Inc.) NRRIC Co Chair: Karen Riepenkroger (Sprint Nextel)

3 Meetings Held from February 17, 2006 to April 11, 2006 April 7, 2006 – Full NRRIC Conference Call to Draft Correspondence to the NGN FG regarding the Part III Gap Analysis Document April 5, 2006 – NIOC Conference Call, Issue #0275R1, Investigating Alternatives for IntraLATA PIC Verification March 29, 2006 – NIOC Conference Call on JIP Questions Received by ATIS PR March 22-24, 2006 – NIOC #53, Las Vegas, Nevada March 20-21, 2006 – NRRIC #30, Las Vegas, Nevada March 9, 2006 – NRRIC #30 Agenda Planning Conference Call March 3, 2006 – Joint NIOC/NRRIC Conference Call Issue #0268, Update NIIF Part X111 Terms and Definitions Document March 2, 2006 – NIOC Conference Call, Issue #0247, Network Management Controls for High Volume Call In (HVCI) Events when VoIP Technology is Involved, and Issue #0269, Call Forwarding is Causing Looping When New Technology is Involved March 1, 2006 – Issue #0272, Abandoned Codes Never Opened, and Issue #0273, Rehome Procedures and LERG Effective Dates Conference Call February 28, 2006 – NIOC Conference Call on NGN FG Part III Gap Analysis February 24, 2006 – Issue #0264, Update the NIIF Mergers and Acquisitions Document Conference Call

4 Correspondence Reviewed since NIIF General Session #52 NIIF Correspondence # , Regarding a Request for PTSC to assist the NIOC in working Issue 0247, Network Management Controls for High Volume Call In (HVCI) Events when VoIP Technology is Involved NIIF Correspondence # , Regarding a request for PTSC to assist the NIOC in working Issue 0269, Call Forwarding is Causing Looping When New Technology is Involved

5 NIIF Correspondence # and # Attachment A regarding a request from the NGN Focus Group that ATIS Committees discuss and collect NGN related items by April 14, 2006 NIIF Correspondence # , From AMA Technical Support Group to NIOC regarding Open letter to the participants in the NIIF Network Inter-Operability Committee (NIOC), the OBF Billing Committee, and the OBF Message Processing Committee regarding NIIF Issue 250: Guidelines for the Use of Charge Number Field NIIF Correspondence # , request from the INC soliciting the NIIF’s input on INC’s Issue 492, Assignment of 700 As An NPA-NXX Correspondence Reviewed since NIIF General Session #52 (cont.)

6 NIIF New Issues Issue #0275R1, Investigating Alternatives for IntraLATA PIC Verification * NIIF Issues can be accessed at

7 NIIF Issues in Initial Closure Issues in Initial Closure: Issue #0217: Routing IDDD Calls Within Issue #0245: Routing IDDD Calls for Issue #0267: Addition of Number Pooling Code Opening Testing Guidelines Issue #0274, VoP/VoIP and NIIF Code Opening Testing Guidelines Issues in Initial Pending: None * NIIF Issues can be accessed at

8 NIIF Issues in Final Closure Issues Placed in Final Closure since NIIF GS #52: Issue #0186: Processing of Calling Party’s Category Parameters at Gateways Issue #0221: Update of ATIS/NIIF 0011 * NIIF Issues can be accessed at

9 Other Activity Ongoing work to obtain updates to NIIF Contact Lists Status of IAM POTS=0 requested from wireless industry Review of the ATIS NGN FG output documents Continue productive joint meetings held by the NRRIC and NIOC with other ATIS committees to resolve active issues

10 Identified Concerns Bringing New Technology Issues and SMEs into the Forum Translating ATIS TOPS Priorities into Specific Issues Increasing number of issues is leading to the need for additional meeting time

11 Future Interim Meetings NRRIC Meetings –April 25, 2006 – Joint NRRIC and NIOC Issue #0268, Update NIIF Part XIII Terms and Definitions Document, Conference Call –May 8, 2006 – Joint NRRIC and NIOC Issue #0270, Update NIIF Documentation on Rating and Routing in a Competitive Local Environment, Issue #0271, Revise NIIF 0014, NIIF Report on Rating and Routing in a Competitive Local Environment, and Issu #0273, Rehome Procedures and LERG Effective Dates, Conference Call –May 11, 2006 – Joint NRRIC/NIOC Conference Call to draft Return Correspondence to PRQC regarding T1.253, Telecommunications Glossary –May 23, 2006 – NRRIC Issue #0253, Substantive Updates to NIIF 0015, Intercompany Responsibilities Within the Telecommunications Industry document, Conference Call –June 6, 2006 – NRRIC Issue #0264, Update the NIIF Mergers and Acquisitions Document, Conference Call –June 19-20, 2006 – NRRIC #31, Atlanta, Georgia

12 Future Interim Meetings NIOC Meetings –April 25, 2006 – Joint NRRIC and NIOC Issue #0268, Update NIIF Part XIII Terms and Definitions Document, Conference Call –April 26, 2006 – NIOC Issue #0227, Clarification to Resolution Statement of Issue #0199 Toll Free Numbers in Calling Party Field, Issue #0233R1, Terminating Switch Identification Architecture, Issue #0246, Jurisdiction Information Parameter (JIP) Population Rules when VoIP Technology is Involved for Some Portion of the Call, and Issue #0250, Guidelines for the Use of Charge Number Field, Conference Call –May 4, 2006 – NIOC Issue #0275, Investigating Alternatives for InterLATA PIC Verification, Expedited Conference Call –May 8, 2006 – Joint NRRIC and NIOC Issue #0270, Update NIIF Documentation on Rating and Routing in a Competitive Local Environment, Issue #0271, Revise NIIF 0014, NIIF Report on Rating and Routing in a Competitive Local Environment, and Issu #0273, Rehome Procedures and LERG Effective Dates, Conference Call –May 11, 2006 – Joint NRRIC/NIOC Conference Call to draft Return Correspondence to PRQC regarding T1.253, Telecommunications Glossary –June 21-23, 2006 – NIOC #54, Atlanta, Georgia

13 Next NIIF Meeting NIIF #54 Meeting – Atlanta, Georgia: –NRRIC – June 19-20, 2006 –NIOC – June 21-23, 2006 NIIF General Session – June 28, 2006 (to be held via a virtual meeting)