User’s Manual E-3
V.90
*EC stands for the Error Control method, which appears only when the
extended result codes configuration option is enabled. EC is replaced by
one of the following symbols, depending on the error control method
used.
AT Command
V42bis V.42 error control and V.42bis data compression
V42 V.42 error control only
NoEC No error control protocol
-V90=* V.90 Dial Line Rate
-V90 sets the maximum V.90 downstream that the
modem attempts to connect.
-V90=0 V.90 disabled
-V90=1 V.90 enabled: automatic speed selection -
maximum modem speed (default)