TIA-939

Procedures for Automatic Interworking Between T.30,V.18, V.8 bis, V.8, and V.32/Annex A Automode Modems and V.32 bis, V.32, V.22 bis, V.22, V.21, V.23, 212-Type and 103-Type Modems (ANSI/TIA-939-2003)

This standard was developed by committee TR-30.1 and was published on January 2003