ITU-T Rec. D.3 (11/1988) SPECIAL CONDITIONS FOR THE LEASE OF INTERCONTINENTAL TELECOMMUNICATION CIRCUITS FOR PRIVATE SERVICE
1 General conditions
2 Lease of telephone-type circuits of a standard bandwidth and of 48-kHz wideband analogue circuits
3 Lease of telegraph-type circuits
4 Lease of digitized channels
5 Leased circuits provided by high-frequency radio
6 Leased circuits having special qualities
ANNEX A – Possible guidelines to be taken into account in the establishment of tariffs for telegraph-type leased circuits in ...
A.1 Telegraph circuits with modulation rates of 50 bauds and above
A.2 Telegraph circuits with a transmission speed less than a 50-baud full character rate (fractional-speed circuits...