The 5th SIP interoperability test event took place August 8-10, 2000 at Pulver.com. in Melville, Long Island, NY.
| Organization | teams | implementations |
|---|---|---|
| Startek Technologies | 1 | 1 |
| Sylantro Systems | 1 | 1 |
| T!Semantics | 1 | 1 |
| Broadsoft | 2 | 1 |
| Cisco Systems | 3 | 1 |
| Netergy Networks | 1 | 1 |
| NexTone Communications | 1 | 1 |
| dynamicsoft | 2 | 2 |
| MIP Telecom | 1 | 1 |
| Columbia University | 1 | 3 |
| HearMe | 1 | 1 |
| Lab. Telecom Sciences | 1 | 1 |
| Nortel Networks | 1 | 1 |
| Nuera Communications | 1 | 1 |
| Indigo Software | 1 | 1 |
| ipDialog | 1 | 1 |
| Siemens | 1 | 1 |
| SS8 Networks | 1 | 1 |
| Ericsson | 4 | 4 |
| Ubiquity | 1 | 1 |
| Vovida | 1 | 1 |
| 3Com | 1 | 2 |
| Iwatsu | 1 | 1 |
| Abatis Systems | 1 | 1 |
| AT&T Labs | 1 | 2 |
| Axis | 1 | 1 |
| Compaq Telecommunications | 1 | 1 |
| CUSeeMe Networks | 1 | 1 |
| Dialogic | 1 | 1 |
| Hewlett-Packard | 1 | 1 |
| Komodo Technology | 1 | 1 |
| Longboard | 1 | 1 |
| Lucent | 1 | 1 |
| Mediatrix | 1 | 2 |
| Microappliances | 1 | 1 |
| Performance Product Tech. | 1 | 1 |
| Pingtel | 1 | 1 |
| SIP Communications | 1 | 1 |
| Softfront | 1 | 1 |
| Telcordia | 1 | 1 |
| UQAM | 1 | 1 |
| VegaStream | 1 | 2 |
| VocalData | 1 | 1 |
| Voyant Technologies | 1 | 1 |
| 45 | 55 |