Turnkey's top Picks

Acronym Finder
Acronyms of all kinds, including but not limited to telecommunications and technical terms.
http://www.acronymfinder.com

AT&T Community Guide Glossary
Basic Internet dictionary.
http://www.att.com/communityguide/glossary.html

BuyTelco Bandwidth Calculator
Estimate how much bandwidth your network needs
http://www.buytelco.com/BandwidthCalculator.asp.

BuyTelco File Transfer Calculator
See how fast you can transfer files over your network.

BuyTelco LAN Calculator
See how much a new network might cost.
http://www.buytelco.com/LANCalculator.asp?

BuyTelco Phone Line Calculator
Find out how many phone lines you need.
http://www.buytelco.com/PhoneLineCalculator.asp?

Cellular One’s Wireless Dictionary s.
Basic wireless terms.
http://www.cellularone.com/pages/library/glossary.html

Erlang Traffic Calculators
Calculate traffic for call centers, more.
http://www.erlang.com/calculator

Federal Communications Dictionary
The U.S. government’s dictionary of telecommunications terminology.
http://www.its.bldrdoc.gov/fs-1037/

Geek.com Technical Glossary
Glossary of more than 1,800 technical terms.
http://www.ugeek.com/glossary/glossary_search.htm

International Telecommunication Union Terminology Database
Search telecom terminology in English, Spanish, French and Russian
http://www.itu.int/search/wais/Termite.

Protocols.com
Acronym lookup.
http://protocols.com/stand.htm

U.S. West Glossary
Dictionary focusing on ISDN-related terms.
http://www.uswest.com/products/data/isdn/isdn_glossary.html

Whatis?.com
Excellent all-purpose technical encyclopedia.
http://whatis.com