TIA 939
TIA 939
PROCEDURES FOR AUTOMATIC INTERWORKING BETWEEN T.30, V.18, V.8BIS, V.8, AND V.32/ANNEX A AUTOMODE MODEMS AND V.32B IS, V32, V.22BIS, V.22, V.21, V.23, 212-TYPE AND 103-TYPE MODEMS
standard published 01/01/2003 by Telecommunications Industries Association
