• Find a Telecom Consultant - Search engine to find a Telecommunications Consultant near you.
• Berg Insight AB  - Offers business intelligence to the telecom industry. Produces reports providing key facts and strategic insights about pivotal developments in their focus areas.
• Avema - specialize in telecom costs audits and expense management
• Discount Long Distance Phone Rates - discount long distance, calling cards, cellular phones, satellite TV, and high speed Internet access.
• Hot Telecom Offers affordable, up-to-date and high quality telecom market analysis and consulting. It focuses on offering the lowest price telecom country and regional reports on the web.
• Telecom Audit Can Lower Billing Costs  (Competition in the telecom industry provides lower costs than the overgrown phone companies can offer. Perform your own billing audit for free.)
• Hobbs Consulting (A provider of power and grounding audits and training. Training is provided either on site or over the Internet using audio conference facilities with MS Net meeting.)
• WRCA (WAN Consultants, Internet Service Providers, Local Exchange Carriers, Competitive Local Exchange Carriers, Information Technology Managers and Telephone Companies rely on WRCA's expertise to provide End-to-End WAN Solutions. )
• Best Rate Discount Long Distance Rates
• Complex2Real.com (Communications is a complex science. This website offers a collection tutorials on various communications topics that will help you cut through this complexity.)
• Mesa Solutions (Provides to utility and communication clients - full service GIS consulting, implementation, systems integration, project management and development for Telcordia Network Engineer and ESRI ArcGIS applications) 
• IVES Creative (Producer of audio marketing tools for businesses specializing in Web Audio (sound for your website), On-Hold Messages and Voice Mail Productions.)Producer of audio marketing tools for businesses specializing in Web Audio (sound for your website), On-Hold Messages and Voice Mail Productions.)
• Alexander Resources (Since 1990 Alexander Resources' educational seminars, conferences, research reports and consulting services have enabled a wide variety of telecommunications manufacturers, carriers and service providers to identify, understand and capture emerging opportunities in next generation wireless communications networks and services.) 
• 4800use.com (Consulting Firm on Toll free and Vanity number.) Consulting Firm on Toll free and Vanity number.)
• ATS Advanced Technologies and Services, Inc. (Full service management consulting company focusing on billing integrity and revenue assurance for the telecommunications industry.)  
• SMi Online (A provider of business intelligence for the telecom industry, and visitors to SMi Online can benefit from this information, including free executive summaries for their Management Reports and the chance to download a free edition of ETIB, a monthly newsletter.)
• Intercom Corporation (Founded in 1979 to assist companies in the telecommunications, data and energy markets of the Americas, Europe and the Middle East.)
• Phillips Tarifica, Ltd. (Leading global telecommunication information provider specializing in tariffs, regulation and marketing.)
• The Insight Research Corporation (Provides comparative market research and competitive analysis exclusively for
  the telecommunications industry.)
• KNS Communications Consultants (Provides RF engineering services, licensing assistance, FCC certified technicians to assist in solving system problems.)
• The Yankee Group
• Gartner Group Inc

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• IPv6 Information Page
• Find VPN (Virtual Private Networks) | Virtual Private Network Resources and Services
• Introduction to Dense Wavelength Divisional Multiplexing (DWDM)
• MPLS (Multi-Protocol Label Switching) Resource Center
• DiffServ vs. MPLS
• Cisco Overview on MPLS Virtual Private Networks
• MPLS Tutorial from Converge
• MPLS Charter from the Internet Engineering Task Force
• Frame Relay Resource Center From Alliance Datacom LP
• Cisco Guide to Internetworking Implementation
• ADSL Primer (Good introduction to ADSL)
• The Frame Relay Forum
• The ATM Forum Page
• The ADSL (Asymmetric Digital Subscriber Line) Information Page
• ISDN References Page Best place on the web for ISDN info)

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• Area Decoder
• FoneFinder (Find out who owns/operates which NPA/NXX in the North American Dialing Plan)
• International Dialing Codes (A table listing Country Codes, IDD (International Direct Dialing) prefixes, and NDD (National Direct Dialing) prefixes.)
• LATA Information
• Area Code Info Page
• LincMad Telecom Information Page (Excellent source for Area Code Info)
• New North American Dialing Plan Administration Page
• NPA for Windows Software (Download this software to find NPA info!)
• The Area Code Split Information Page

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• Resources for Michigan Telephone Users  (Information and links of interest specifically for telephone users in the state of Michigan. A non-commercial, consumer oriented site.)
• International VOIP Council (The mission of the Council is to disseminate the message that VoIP has vastly improved, is reliable, can lower operating costs, and delivers new, meaningful features and benefits for both the business and individual user.)
• National Cable and Telecom Association
• Telecommunications Industry Association
• Competitive Telecommunications Association
• The Wireless Foundation
• NACTEL (National Coalition for Telecommunications Education and Learning. Offers an online A.S. degree or Certificate in Telecommunications. It prepares students for telecom technician positions and was created by a coalition comprised of Verizon, SBC, Qwest, Citizens, the CWA and the IBEW. The program is standardized for the industry. It is fully accredited and taught entirely over the Internet by Pace University.)
• Inform Ohio (Community organization seeking to maintain Ohio's position as a trendsetter in telecommunication policy with issues such as increasing broadband access and local and long distance telephone competition.)
• Interactive Multimedia and Collaborative Communications Alliance
• Nokia's Wireless Application Protocol (WAP)  Forum Page
• United States Telephone Association
• Personal Communications Industry Association
• National Association of State Telecommunications Directors (NASTD)
• Massachusetts Telecommunications Council
• Alliance for Telecommunications Industry Solutions
• Canadian Telecommunications Consultants Association
• Communications Managers Association (CMA)
• ACUTA (College and University telecom)
• The Federal Communications Commission Webserver
• The ANSI (American National Standards Institute) Home Page
• The International Telecommunications Union

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• The International Callback Page

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• How to Call Abroad (The website provides country codes, area codes and other useful info on how to make international calls from the USA.)
• T1 Know How.com (The site provides information on various T1 services, even on T1 testing and has a glossary of T1 terminology as well.)
• Telintell (Has a searchable database of links to market information on the telecoms industry. Links added to this database every week. Telintell also offers a browsing facility where users can click on regions of their global map to find telecoms information relevant to those areas.)
• TariffNet (Site offers telecom tariffs, pricing tools, and tariff-extracted rating data obtained directly from the carriers and the regulatory documents filed with the FCC, or PUCs/PSCs.)
• U.S. Telephone Service Directory (U.S. Directories of:   Contractors who Add and Repair Inside Wiring & Jacks AND Local Telephone Service Providers  (Local Exchange Carriers).
• TSP Forum for Nortel Meridian (Useful info on Nortel Meridian PBX systems. It contains a compendium, error descriptions, set descriptions, and much more.)
• Intec Telecom Systems overview on Carrier Access Billing (CABS) (The information resource website for Carrier Access Billing. What is it, when it began, and information about Wireless Carrier Access Billing.)  
• Grid Computing Planet
• Global Grid Forum
• RJ48C, RJ48S, and RJ48X 8-position Jack Pin Outs Reference
• RJ48C Wiring Diagram
• BetterCallingPlans.org (This page offer consumers the chance to compare rates from a number of long distance companies, based on their own calling pattern.)  
• 10-10PhoneRates.Com (Excellent resource for individuals who want to compare rates among multiple carriers.)
• PBX Info (Provides information on Meridian, Lucent, Panasonic, Norstar and many other PBX systems and Voicemails. Also provides info on IP Telephony, Voice over IP, Telephones, Convergence, and Telephone Vendors.)
• ITPapers Online ("Yellow pages" of white papers.  Nice resource!)
• Online Telecommunications Glossary (From the FCC.  In Adobe format.)
• LMDS Wireless Page (Excellent resource for information covering Local Multipoint Distribution Systems.)
• FiberOptics Online (The Marketplace for Professionals in the Fiber Optics Industry.)
• The Protocol Information Page
• Telco Exchange (Pricing tool, gives detailed pricing information on services from multiple carriers and ISP's)
• Erlang Traffic and Call Center Calculator
• The Instititue for Telecommunications Research
• Lightwave Magazine
• Cable Foreman Magazine (Covering outside plant products and processes.)
• ICB Toll Free News
• Career Networks Incorporated
• The Intranet Journal
• Telegeography, Inc (International information)
• Ethernet Information Page
• The United States Very High Speed Backbone Network Service (vBNS) Page
• Another site with info on the vBNS
• JM Fiberoptics Home Page
• The Corning Optical Fiber Information Center
• Information on Signalling System 7 (SS7)
• Even Better Information and Resources on Signalling System 7 (SS7)
• The XTP (Xpress Transport Protocol) Information Page
• The DSP (Digital Signal Processing) FAQ Page

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• Telephone Directories on the Web
• New Zealand Phone Directory
• Switchboard
• Yahoo People Search (Formerly Four11.com)

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• Telemedicine Site at the University of Virginia
• Association of Telemedicine Service Providers
• TIE Telemedicine Information Exchange

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• Hamilton Relay Service
• AT&T Telerelay Services
• FCC List of Telerelay Providers
• Maryland Relay Service

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Using the search engine below you can access Google, a web-based service for viewing newsgroups. This is a free service. However, in order to post messages to newsgroups using Google News you need to establish a free account.

Search Google for discussion Groups on telecommunications

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• Maarten Verhaegh Telecom Info Pages
• Nigel Allen's Home Page
• Telecommunications Resources
• Judith Oppenheimer's Home Page (800 Consultant)
• Robert Raciti's Page