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This Recommendation details the provisions applicable to leased international (continental and intercontinental) sound- and television-programme circuits and associated control circuits for private service. The provisions of this Recommendation should be applied in conjunction with ITU-T Rec. D.1, except where specifically stated otherwise. Sound- and television-programme circuits provided on an occasional basis are subject to the provisions of ITU-T Rec. D.180. Provisions governing the technical aspects and maintenance of sound- and television-programme circuits are contained in the J-, M-, and N-series Recommendations.
| Author | ITU |
|---|---|
| Editor | ITU |
| Document type | Standard |
| Format | File |
| ICS | 33.040.30 : Switching and signalling systems
33.170 : Television and radio broadcasting |
| Replace | ITU-T D.4 (1998-12) |
| Year | 2005 |
| Document history | ITU-T D.4 (2005-09) |
| Country | Switzerland |
| Keyword | CCITT D.4;ITU-T 4;4;ITU-T D.4 |