The ATIS Committees listed below have been retired.

Committee T1, 1984-2004 — ANSI-accredited Committee T1 was established in February 1984 at the divestiture of AT&T to develop technical standards and reports regarding interconnection and interoperability of telecommunications networks at interfaces with end-user systems, carriers, information and enhanced-service providers, and customer premises equipment (CPE).

The Telecommunications Industry Forum, (TCIF), 1986-2004 — TCIF was founded in June 1986 to promote understanding and implementation of global standards, guidelines and emerging technologies involving electronic data interchange, electronic commerce and bar coding

Network and Services Integration Forum (NSIF), 1991-2002 —NSIF worked to resolve interoperability issues to promote wide deployment of SONET, including IP over SONET, ATM over SONET, and ATM over optical networks.

Generic Requirements Users Group (GRUG), 2000-2002 —The GRUG identified and provided tools and recommendations for the industry to identify standards, specifications, guidelines, and operating procedures to make interoperability of existing and emerging telecommunications products and services possible.

Carrier Liaison Committee (CLC), 1984-2002 —The CLC served as the executive overseer for the Network Interconnection Interoperability Forum (NIIF), the Ordering and Billing Forum (OBF), the Industry Numbering Committee (INC), and the Toll Fraud Prevention Committee (TFPC).

For more information on any of these Committees, please contact atispr@atis.org