Toshiba V.92 - Manual (Page 75)

75 AT Commands
AT command formats
5.375 x 8.375 ver 2.4.0
This command is used to set the various parameters described
below:
<carrier> The modem protocol. Valid values are:
Value Meaning
V92 V.92 (default)
V90 V.90
V34 V.34
V32T V.32ter
V32B V.32bis
V32 V.32
V22B V.22bis
V22 V.22
Bell212A Bell 212A
V23C V.23, constant carrier,
asymmetric FDM
V21 V.21
Bell103 Bell 103
<automode> 0 Disables automatic modulation
negotiation
1 Enables automatic modulation
negotiation (default)
If a <max_rate> value is specified,
<automode> is automatically disabled.
<min_rate> The minimum receive rate. Valid
<min_rate> values are from 300 to
57333.