| File | Size | Date | Recommendation title |
|---|---|---|---|
| c0001e.zip | 29KB | 03/93 |
C.1 - ITU statistical yearbook |
| c0002e.zip | 26KB | 10/96 |
C.2 - Collection and dissemination of official service information |
| c0003e.zip | 21KB | 03/93 |
C.3 - Instructions for international telecommunication services |