The best in telecommunications training and certification – since 1992

Resource page for telecom, telecommunications, datacom, IP, IPv6, network, VoIP, training, service providers, equipment manufacturers, online courses and certification

Click on the links or scroll down to find useful links and information on telecommunications training, telecom carriers, regulators, equipment manufacturers in the US, Canada and worldwide, as well as training courses and certifications on telecom, datacom, networking, Voice over IP (VoIP), wireless, IP, IPv6 and more.

Telecommunications Carriers - Canada

  • Bell Canada The biggest, providing all types of telecom services nationwide through Bell (Ontario and Quebec), Aliant (Maritime provinces), Bell West (western provinces), sympatico ISP service, Bell Mobility cellular and other subsidiaries.
  • Telus provides wireline service in Alberta, British Columbia and parts of Quebec plus wireless service nationwide.
  • MTS-Allstream, formerly AT&T Canada Corp., and prior to that, Unitel, and before that, CNCP Telecommunications.
  • Aptum Technologies (Canada) Inc. formerly Peer 1 Network Inc. ISP offers high performance bandwidth and server co-location facilities.
  • BCE Inc., formerly Bell Canada Enterprises Inc. A holding company that owns Bell Canada and other telecommunications companies.
  • Entourage, an installation company in Canada, formerly Bell Canada employees.
  • Globalstar Canada, the Canadian arm of the of the Globalstar low-earth-orbit satellite telephony system.
  • Independent Telecommunications Providers Association, formerly Ontario Telephone Association, the association of independent telephone companies in Ontario, British Columbia and Quebec.
  • MTS, the telephone company serving Manitoba which is a subsiduary of BCE Inc.
  • NorthernTel, a telephone company in Ontario.
  • Northwestel, a telephone company serving the Yukon, the Northwest Territories, Nunavut and northern British Columbia
  • 151 Front St. West in Toronto, a carrier hotel in the building that was once the headquarters for CN Telecommunications.
  • Telus Québec, formerly Québec-Téléphone, Quebec's second-largest telephone company.
  • Rogers Communications Inc. runs cable TV systems, owns Rogers AT&T Wireless (formerly Cantel), and publishes Maclean's magazine and other periodicals.
  • SaskTel, Saskatchewan's telephone company.
  • Télébec, another telephone company in Quebec.
  • Teleglobe was Canada's overseas telecommunications carrier. Acquired by tata communications.
  • Telesat Canada, Canada's domestic satellite carrier
  • Yak Communications, a dial-around long distance reseller (10-15-945 from Montreal and Toronto) acquired by Distributel.

Selected Telecommunications Carriers - U.S.A

Telecommunications carriers and government agencies - other countries

Telecommunications and VoIP Training

Telecommunications Certification

Selected Manufacturers and Organizations

Telecom Hardware, Software and Service Development

Telecommunications: Canadian government agencies

Directories and "Yellow" Pages - Canada

  • canada411 Free directory assistance for most Canadian locations.
  • Bell Canada ISP
  • Canpages, a Canadian business listings database not affiliated with the phone companies.
  •, a portal from Telus Corporation. Replaces the company's former,, and portals and directory listings.
  •, a directory service and portal for Saskatchewan.
  • Yellow Pages, a Canadian directory database.

Telecommunications: U.S. government agencies

U.S. directory services

  •, a directory service from SBC Communications Inc.
  •, formerly Qwest Dex, from the company that publishes white and yellow pages directories under contract with Qwest.
  •, a directory service from Verizon (formerly GTE).

Directory services - other countries