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TELECOMMUNICATION COMPANIES
AT&T
ALLTEL
BELLSOUTH
CABLE & WIRELESS
ERICSSON
GLOBAL CROSSING
IDT
INTERMEDIA
LEVEL 3
ALCATEL~LUCENT
MCLEOD
MOTOROLA
NOKIA
PICTURETEL
QUALCOMM
QWEST COMMUNICATIONS
SPRINT
VERIZON
TTI Telecom
telefonica
Vonage
stealthnet
International Telecommunication Union (UN)
TeleCommunication Systems - TCS
PAETEC
HTS~Voice & Data Systems
USA Digital: Business VoIP- T1- DS3- OC12
AVAYA
Telecordia
Omni Globe International
SAMSUNG
National Telecommunications & Information Administration
Time Warner Cable Business Class
Telecommunication Industry Association (TIA)
TELECOMMUNICATION INSIGHT
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