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คำที่ต้องการค้นหา:
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access, acquisition, advertising, advice, africa, allocate, allocation, americel, analog, analysis, analysys, asia, asynchronous, atm, auctions, australia, band, bandwidth, bell atlantic, benefit, benefits, bids, billing, bridges, broad, broadband, broadcast fax, business, cable, cabling, callback agents, callback, call-back, calling card, calling cards calling services, calling, card, catv, cellphone, cellular, cellular, central, channel, cheap, classifieds, client, commerce, comms advice, comms, communication, communication, communications, community, competition, compliancy, compliant, computer, concord, conference calling, conferencing, connection consultancy consultancy, consultant, consultants consultatns, consulting, consulting, consulting, contract, control cost, costs, credit customers, customers, data, debit cards, dedicated, demand, design, digital, digital, diligence, dime, direct dial discount, distance document dolphin, ds 1, ds 3, ds1 ds3, due, earn, e-commerce e-commerce, economic, economics, electronic, electronic, email, e-mail, employment, endorsement, engineering, engineering, england, entrant, entrants, entrepreneur, entry, esmr , ethernet, ethernet, europe, evaluation, evolution, exchange, exchange, expert witness, expert, extranet, extranet, extranets, fast, fastest, fax, fiber, fibre, finance, finance, financial, firewall, forecast, forecasting, forecasts, frame relay, frame, free frequencies, frequency, gateways, germany global, group, growth, gsm, help, hierarchy, hub, hybrid, i-commerce i-commerce iec, image, implementation, implication, implications, income, incremental cost, industry, information, interconnect, interconnectivity, international callback, international, international, internet internet access, internet, internet, interstate, intranet, intrastate, investment, investments, investors, ipx, isdn, it, ixc, job, key, level, local, long distance calls, long distance, long range incremental cost, long, low long distance rates, manager, manufacturer, manufacturers, market, marketing, markets, mcs, media, mergers, mobifon, mobile phone, mobile, model, modelling, models, modem, multimedia, network, networking, networks, node, noncontiguous, obligation, online, operator services operator, operators, optic, optical, optics, pabx, packet, pagers, paging, pay phone, pay, payment, payphones, pbx, pbx, personal, phone rates, phone, phone cards, phonecards, picturetel, plan, planning, plans, platform, policies, policy, port, prepaid calling cards, prepaid, pre-paid, press, prism, private, procurement, procurements, professional, profit, profitability, profits, project management, proposals, protocol, provision, public, publication, quality, quote, radio, regulation, regulations, regulator, regulators, regulatory, relay, remote, report, reports, requests for bid, research, resellers, residential, residual, revenue, revenues, rfp, rfps, ring, routers, sales, satellite, satellites, scenario, scenarios, secure, security, server, service, services, signal, signature, singapore, smtp, solution, sonet, sound, specialist, specification, specifications, spectrum, sprint, ssl, stem, stock, strategic, strategies, strategy, success, support, swiftsite, switch, switchboard, switched, switches, switching, system, systems, t1, t2, t3, target, tcp/ip, technologies, technology, telecommunication, tele, telecom, telecomm, telecomms, telecommunication, telecommunications consultants telecommunications consulting, telecommunications, telecoms telecoms, teleconference, teleconferencing, teleglobe, telemig, telephone calls, telephone, telet, terminal, terminals, test, testing, tetra, tiw, today, token, toll fee 800/888, tool, tools, traffic, transmission, troubleshooting, trunks, uk, understanding, universal service obligation, universal service, universal, us long distance, usa, uso, value chain, value, value-chain, vendor, venue, video bridges, video conferencing, video, videoconferencing, vireless, voice mail, voice, wireless, wireless, witness,
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