
| Project number | Title |
| P501 | Pre-Study on telecommunications and the environment |
| P502 | Multilingual interactive voice activated telephone services |
| P503 | Definition of a European multi-application IC-card |
| P504 | Euresmail - a harmonised Europe wide E-mail service |
| P505 | Wide area CSCW: tools and applications |
| P506 | Harmonisation/Integration of B-ISDN and IN |
| P507 | Mobility Applications Integration in Intelligent Network |
| P508 | Evolution, migration paths and inter working with TINA |
| P509 | Handling service interaction in the Service Life-Cycle |
| P510 | Pre-study on options for the evaluation of PEIN services |
| P511 | Overall Strategic Studies - III |
| P512 | Pre-study on the prevention and limitation of telecommunications fraud |
| P513 | Enhancement of SDH networks |
| P514 | Common channel signalling network dependability studies |
| P515 | European switched VC based ATM network studies - Stage 2 |
| P516 | Telecom Software Validation Procedure |
| P517 | Foresight Study on distributed object-oriented computing |
| P518 | Telecommunications and the Environment |
| P519 | Numbering in a liberalised telecommunications market |
| P520 | Demonstration of IC-cards for authentication |
| S51 | PSTN Terminals:evolution or stagnation |
| S52 |
Fact-finding Study on World - Wide - Web and the Role of the PNOs |