| Attendee | Affiliation |
| Bernard Aboba | Microsoft |
| Anand Akundi | Telcordia Technologies/Co-Chair of ESIG NGES |
| Kamran Aquil | Mitretek Systems |
| Manfred Arndt | ProCurve Networking by HP |
| Gábor Bajkó | Technical University of Budapest |
| Deborah Barclay | Lucent Technologies |
| Richard Barnes | BBN Technologies |
| Marvin Bienn | Nortel |
| Patrick Brooks | University of North Carolina at Chapel Hill |
| Necati Canpolat | Intel Corp |
| Maria Luisa Cristofano | Telecom Italia |
| Martin Dawson | Andrew Corporation |
| Subha Dhesikan | Cisco Systems |
| Keith Drage | Lucent Technologies |
| Mark Drennan | Openwave Systems, Inc. |
| Sukumar Dwarkanath | COMCARE |
| Stephen Edge | Qualcomm |
| Jason Fischl | CounterPath |
| James Goerke | Texas 9-1-1 Alliance |
| Robert Hall | AT&T Labs |
| Jenny Hansen | Contractor - US Department of Transportation |
| Katell Henry | Orange SA |
| Roger Hixson | National Emergency Number Association |
| Joseph Ippolito | Verizon Communications |
| Cullen Jennings | Cisco Systems, Inc. |
| Rick Jones | National Emergency Number Association |
| Neal King | Infineon |
| Christopher Libertelli | Skype |
| David Lindner | Silver VoIP |
| Marc Linsner | Cisco |
| Gregory Louis-Charles | Nortel Networks |
| Michael Loushine | Telcordia Technologies |
| Roger Marshall | TeleCommunication Systems, Inc. |
| Stephen McCann | Roke Manor Research Ltd |
| William Mertka | RedSky Technologies |
| Atle Monrad | Ericsson |
| Peter Musgrove | Cingular Wireless |
| Andrew Newton | SunRocket, Inc. |
| Steve Norreys | BT Gruop PLC |
| Steve Nowak | T-Mobile USA |
| Lauri Paal | University of Tartu |
| Jon Peterson | NeuStar |
| James Polk | Cisco Systems |
| Nagaraja Rao | Siemens Communications, Inc. |
| Brian Rosen | NeuStar |
| Shida Schubert | NTT |
| Henning Schulzrinne | Columbia University |
| Sandeep Sharma | CableLabs |
| Donghee Shim | LG Electronics, Inc. |
| Dorgham Sisalem | Tekelec |
| James Smith | Verizon Communications, Inc. |
| Tom Taylor | Nortel |
| Paul Thompson | 3GPP2 |
| Hannes Tschofenig | Siemens AG |
| Vijay Varma | Telcordia Technologies |
| Douglas Wadkins | Edgewater Networks |
| Ronald Watro | BBN Technologies |
| Harry Worstell | AT&T Labs |
| Larry Young | Sprint Nextel |