Associations
Alliance for Telecommunications Industry Solutions, Association for Local Telecommunications Services , Avema Global Alliance, British Approvals Board for Telecommunications (UK, Canadian Telecommunication Consultants Association, Competitive Broadband Coalition, CompTel - Competitive Telecommunications Associati, CTAM of Texas, European Competitive Telecommunications Associatio, European Telecommunications Association
Call Centers
Consulting, Equipment, News and Media, Providers, Resources, Software, 800 Adept, Add Erlang functions to Excel, Asian Call Centers, Call Centre Association, Comsys Multi Media Services, Convergys - Solutions d'envergure internation, Convergys - Soluzioni globali per Fatturazione &am, Datapoint, ePacific Global: Philippine Call Center Telemarket, Frank Solutions
Carriers
Landline, Wireless, Aliant Inc., ALLTEL Corporation, AT&T, AT&T Canada, Inc., ATX Communications, Bell Canada, Bell Canada International, Inc., Bell Telecommunication Philippines, Inc., BellSouth, British Telecommunication plc
Colocation
Europe, North America, Co-location versus Dedicated Web Hosting, Co-Location.com, Colocation Explained, Colocation Explained, Colocation Hosting Guide, ColocationConnect Colocation Directory, ColoSource.com, Dedicated Server Co-Location Server Managed Server, VeraCom Offshore Services
Conferences
3G World Congress, IT&T Annual Conference, Supercomm, Telecom Israel, Telecommunications Policy Research Conference
Construction, Installation, and Maintenance
Towers, 3C Information Solutions Inc., Accord Communication, Advent Television Ltd - Digital TV, American Fiber Systems, Inc., Aqsacom, Arose Incorporated, Automated Digital Technologies, Bay Comm Technology L.L.C., Branch Tel - Com, Cable Technology Contractors
Cost Management
4TelecomHelp, A. J. C. Communications, Apollo Technology Solutions, Inc., Ariellink, ATI, Audit-Tel, Audit-tel Recovery Inc., Auditel Inc, Avema Telecom Cost Management, Ayudar Ltd
Customer Management
Amdocs Ltd, Ascent Telecom, Convergys, Daleen Technologies, Inc., Hansen Corporation, IBM Telecom Industry Solutions, Infozech Software Pvt. Ltd., MaxBill CRM and Billing, Open International, OpenCon Communication Systems
Directories
CablingAssist, Data Center Exchange, Goodmans Book Marks, LIDO Telecom WebCentral, Satellite Industry Directory, TelcomPrice.com, Telephone Installers, The Telecom Network
Education and Training
Aircom, AIRCOM International Ltd, Applied Optoelectronics Centre, Ashmead Training Ltd., Bazemore Fiber Optic Services, C-Jonathan Lewis Associates, Ericsson, Fiber Network Training, GSM Training, Harmon Technical Trainers
Employment
Recruitment and Staffing, Resumes, AET, BroadbandCareers.com, Callcenterjobs.com, ClecJobs.com, ComQuest International, CT Communications, Customer Service Jobs, Elan Telco ReSource, iconec Consulting GmbH, iDoTele.com's - European telecom job site
Equipment
Amateur and CB Radio, Antennas, Bridges and Routers, Broadband, Business Systems, Central Office, Data, Hardware Accessories, Headsets and Handsets, Industrial Data
Location and Tracking
Resources, Technology, Vehicle, 3CMS, 4PM, Applied Field Data Systems, At Road, Inc, Autopage Ltd., aXelera Solutions, Cargotracs, CARIS, Citytrac, ClearTrace Technologies, Inc.
Marketplaces
Arbinet-thexchange, Inc., Fiber Optics Online, Iber-X, NAP Partner, PCB Marketplace, Phonetrade, RF Globalnet, TelecomsTrader, Telezoo, Time ICR
News and Media
Broadband, America's Network, Billing World and OSS Today, Business Communications Review, Cable Foreman Magazine, Call Center magazine, CarrierHotels.com, Communic@te, Communication in the 21st Century, Communications News, CommWeb
Regulation
Agencies, Licensing, Citel, International Telecommunication Union (ITU), R&TTE, RadioRegs, Regulatory Overview
Resources
Numbering, Phone Rate Comparisons, Tariffs, Analysys, Avaya PBX Adminstration Guide, Blacksburg Electronic Village (BEV) Technical Repo, Blacksilhouette Ltd., BTL Communications UK, Bureau van Dijk - Telecommunications Consultants, Caller ID FAQ, Canarie, Chinanex, Columbia Institute for Tele-Information (CITI)
Safety
Argent Consulting Services, Inc., Cell Phones Radiation Dangers, Radio Frequency Safety, Radiofrequency and Microwave Radiation, Radiofrequency Safety International Corporation, RF Safety Solutions, RF Technology Services, RF Watch, RFpeople, SiteSafe
Services
Callback, Conferencing, Dial-Around, Direct Dial Long Distance, Messaging, Phone Cards, Toll Free, VoIP, Wireless, 011 Long Distance, ACE*COMM Corporation, AFC Inc., Airnex Communications, AltiGen Communications, Inc., American Tele-Connect Services, Inc., Americanfone, Astound Communications, AT Communications, Atlantic Telephone Membership Corporation
Software
Intelligent Network Related, SS7, Acarda Technologies Ltd., Access Networks India Pvt Limited, Advanced Network Systems, Advanced Technologies and Services, Inc., AIMWorX, Amcom Software, AMS Communications, Anchorpoint, APEX Voice Communications, AudioSoft Ltd.
Two-Way Radio
Associations, Data, Emergency Communications, Equipment, History, Mailing Lists, News and Media, Software, Trunking, Empire Communications, Halcom Communications Ltd., International Wireless Communication Expo