Alcatel (阿爾卡特)	www.alcatel.com
	AT&T Broadband	www.att.com
	Bellcore	www.belcore.com
	Cisco (思科)	www.cisco.com
	Concert (美國)	www.concert.com
	Detecon (德國)	www.detecon.de
	Japan Telecom	www.japan-telecom.co.jp
	NTT Communications (日本)	www.ntt.com
	Optus (澳洲)	www.optus.com.au
	Teleglobe (加拿大)	www.teleglobe.com
	Tellabs	www.tellabs.com
	Worldcom	www.wcom.com