As of January 23, 2008 the following carriers have committed to participate in, and provide training at, the 4th Annual Telecom Training Triathlon:

• ACC Business
• Covad
• Dynalink
• Intercall
• Level 3
• New Edge Networks (an Earthlink Company)
• Qwest
• The Conference Group
• Total Call International / Opex
• XO

Event coverage will be provided by Phone + Magazine.