RT Book SR Electronic(1) A1 R. E. Farr YR 1988 T1 Telecommunications Traffic, Tariffs and Costs. An Introduction for Managers PB Institution of Engineering and Technology JF Telecommunications K1 underlying theory K1 matching equipment K1 telecommunication traffic K1 private system cost K1 telecommunication system K1 cost-effective solution K1 telecommunication tariffs K1 traffic measurement K1 communication problem K1 telecommunication facility K1 traffic-carrying capacity K1 telecommunication costs K1 public-network tariff option K1 telecommunication network SN 9780863411458 UL https://digital-library.theiet.org/;jsessionid=6kr0hvgl9o9uk.x-iet-live-01content/books/te/pbte019e