*
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.
V42bis
V42
NoEC
AT Command
V90=*
V90=0
V90=1
Portégé M200
V.42 error control and V.42bis data compression
V.42 error control only
No error control protocol
V.90 Dial Line Rate
V90 sets the maximum V.90 downstream that
the modem attempts to connect.
V.90 disabled
V.90 enabled: automatic speed selection
maximum modem speed (default)
V.90
I 3