ATIS (Alliance for Telecommunications Industry Solutions)

Formerly the Exchange Carriers

Standards Association (ECSA) A U.S. organization that develops and promotes technical and operations standards for the telecommunications and related information technology industries. ATIS standards activities address both wireless and wireline networks and include interconnection standards, number portability, improved data transmission, Internet telephony, toll-free access, telecom fraud, and order and billing issues. ATIS is accredited by the American National Standards Institute (ANSI). See also ANSI.

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