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Welcome to AT&T Dedicated Internet (ADI)

Learn how to prepare for the AT&T Dedicated Internet installation.


Getting ready for installation the expectations and site readiness

Getting ready for installation

Customer Expectation Document (PDF, 743KB)

Site preparation document
This guide is designed to assist local on-site contacts to understand what you will need to accomplish in preparation for transport install.
Site Preparation Guide ADI (PDF, 865KB)
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Additional information

Help with ADI ordering, billing, or technical support:
  • Service Delivery Care Center: 855.556.7901, prompt 3, 8 a.m. - 8 p.m ET, Monday through Friday.
  • Service Excellence: Technical Support (available 24/7), 888.613.6330, prompts 2, 1.
  • Sign in to Business Direct.
  • Billing: 888.613.6330, prompt 5, or email us.
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Community discussion

Join the business forum

Ask questions. Get answers. Help others. Join the conversation!