| List of ITU-T N-Series Recommendations in force | |
| [N.1] Recommendation N.1 (03/93) - Definitions for application to international sound-programme and television-sound transmission | 20 CHF |
| Summary of Recommendation N.1 (03/93) | |
| [N.2] Recommendation N.2 (11/88) - Differents types of sound-programme circuit | 20 CHF |
| [N.3] Recommendation N.3 (11/88) - Control circuits | 20 CHF |
| [N.4] Recommandation N.4 (11/88) - International sound-programme tramsmission: Definition and duration of the line-up period and the preparatory period | 20 CHF |
| [N.5] Recommendation N.5 (11/88) - Sound-programme control, sub-control and send reference stations | 20 CHF |
| [N.10] Recommendation N.10 (03/93) - Limits for the lining-up of international sound-programme links and connections | 20 CHF |
| Summary of Recommendation N.10 (03/93) | |
| [N.11] Recommendation N.11 (11/88) - Essential transmission performance objectives for international sound-programme centres (ISPC) | 20 CHF |
| [N.12] Recommendation N.12 (11/88) - Measurements to be made during the line-up period that precedes a sound-programme transmission | 20 CHF |
| [N.13] Recommendation N.13 (11/88) - Measurements to be made by the broadcasting organizations during the preparatory period | 20 CHF |
| [N.15] Recommendation N.15 (11/88) - Maximum permissible power during an international sound-programme transmission | 20 CHF |
| [N.16] Recommendation N.16 (11/88) - Identification signal | 20 CHF |
| [N.17] Recommendation N.17 (11/88) - Monitoring the transmission | 20 CHF |
| [N.18] Recommendation N.18 (11/88) - Monitoring for charging purposes, releasing | 20 CHF |
| [N.21] Recommendation N.21 (11/88) - Limits and procedures for the lining-up of a sound-programme circuit | 20 CHF |
| [N.23] Recommendation N.23 (11/88) - Maintenance measurements to be made on international sound-programme circuits | 20 CHF |
| [N.51] Recommendation N.51 (11/88) - Definitions for application to international television transmissions | 20 CHF |
| [N.52] Recommendation N.52 (11/88) - Multiple destination television transmissions and coordination centres | 20 CHF |
| [N.54] Recommendation N.54 (11/88) - International television transmissions: Definition and duration of the line-up period and the preparatory period | 20 CHF |
| [N.55] Recommendation N.55 (03/93) - Organization, responsibilities and functions of control and sub-control international television centres and control and sub-control stations for international television connections, links, circuits and circuit sectio | 20 CHF |
| Summary of Recommendation N.55 (03/93) | |
| [N.60] Recommendation N.60 (03/93) - Nominal amplitude of video signals at video interconnection points | 20 CHF |
| Summary of Recommendation N.60 (03/93) | |
| [N.61] Recommendation N.61 (11/88) - Measurements to be made before the line-up period that precedes a television transmission | 20 CHF |
| [N.62] Recommendation N.62 (03/93) - Tests to be made during the line-up period that precedes a television transmission | 20 CHF |
| Summary of Recommendation N.62 (03/93) | |
| [N.63] Recommendation N.63 (11/88) - Test signals to be used by the broadcasting organizations during the preparatory period | 20 CHF |
| [N.64] Recommendation N.64 (11/88) - Quality and impairment assessment | 20 CHF |
| [N.67] Recommendation N.67 (03/93) - Monitoring television transmissions - Use of the field blanking interval | 20 CHF |
| Summary of Recommendation N.67 (03/93) | |
| [N.73] Recommendation N.73 (11/88) - Maintenance of permanent international television circuits, links and connections | 20 CHF |
