Sonic Telecom Bandwidth on demand and billing by the byte on an international ATM network managed end-to-end. http://www.sonictelecom.com/

Teleglobe Trans-continental line service. http://www.teleglobe.com/

Global Crossing Ltd. Global integrated fiber optic network provider. http://www.globalcrossing.com/

British Telecommunication plc The UKs biggest telco. Providing a full range of services to the home and business customer. http://www.bt.com/

Singapore Telecom Singapore based service provider with operations in 20 countries. http://www.singtel.com/

Sprint Global provider of voice, data and Internet services. http://www.sprint.com/

Swisscom Services to residential and business customers in Switzerland. http://www.swisscom.com/

Qwest Communications Local Exchange Carrier (LEC), large wholesale and retail provider of voice and data services. http://www.qwest.com/

AT&T Provides long-distance, international and wireless services as well as internet access. http://www.att.com/

NTT Communications Japan-based global networking company. http://www.ntt.com/

Intermedia Communications Internet, voice, and data services. http://www.intermedia.com/

Innovative Communications Technologies Inc. Offers flat rate "private telephone network" product, similar to IP Telephony, without using the public Internet. Outbound and tollfree. http://www.ict.net/

NTT Cable Long-distance provider for small and medium-sized businesses. Serving Germany, England, Italy, and Poland. http://www.nttcable.com

Flag Telecom. Fiberoptic link around the globe. http://www.flagtelecom.com/

WinStar Communications, Inc. Owned by IDT, provides voice and Internet services to business and government. http://www.winstar.com/

Verizon Corporation Local Exchange Carrier (LEC). Offers long distance, data, and Internet services as well. http://www.verizon.com/

Cable and Wireless Global supplier of internet, data and voice solutions to business customers. Products, services, awards, and network details provided. http://www.cw.com/

ATX Communications Pennsylvania facilities-based provider offering voice, data, and wireless solutions. News, solutions, and careers included. http://atx.com/

MCI Global business and residential communications company operating in more than 65 countries. http://www.mci.com/

Telenor International Norway based communications, IT and media company. http://www.telenor.com/