Trademark British Telecom's lower-speed digital leased-circuit service. Kilostream circuits are available as a fully digital service, operating at 2.4, 4.8, 9.6, 19.2, 48, and 64 Kbps. There is also a service called Kilostream N, which offers speeds in preset multiples of 64 Kbps up to 1.024 Mbps. Kilostream is also available as an international service. See also Megastream.