trunk call Definition

long-distance, long-distance call, telephone operator, operator, toll call, telephone exchange, communication system, telephone system, call box, telephone call, telephone line, dial telephone, telephone booth, telephone conversation, travel agency, electronic communication, telephone kiosk, ring up, telephone box, business activity, service of process, elevator operator, cardphone, give notice, line manager, joint stock company, pulse modulation, topological group, caller, mass medium, margin call, mutualize, syntonize, employment agency, unary operation, telephone book, embark on, crank call, patchboard, line management, line function, get onto, send word, flag stop, ring off, do work, reception desk, therblig, company man, linear operator, sound out, key money, digital communication, impleader, telecommunication, binary operation, service mark, send on, trial balloon, identity element, station break, demarketing, take place, indian giver, quality circle, business relation, tractator, company store, phone, control group, commercial enterprise, coagent, radio receiver, pay cash, telephone, baggageman, dyadic operation, telpher, manual labour, fall on, put through, telephone company, automobile industry, provider, collide with, telephonist, employment contract, ask for it, control key, internuncial, mail train, bridge player, ricercare, radioteletype, get at, telco, clientship, in proportion to, telephone receiver, intercommunication system,