Multitech MultiModemDSVD User Manual page 51

4 AT Commands, S-Registers, and Result Codes
Command: #CLS= n Data, Fax, or Voice/Audio Select
Values: n = 0, 1, 2, or 8
Default: 0
Description: #CLS=0 Data mode: The modem acts like a data modem on subsequent
answer or originate operations.
#CLS=1 Class 1 fax mode: Selects Class 1 fax modem operation.
#CLS=2 Class 2 fax mode: Selects Class 2 fax modem operation.
#CLS=8 Voice/audio mode: All telephone calls initialized by #CLS=8
result, after successful call progress, in the modem operating in
online voice command mode.
Command: #MDL? Identify Model
Values: n/a
Description: Displays the modem name or model.
Command: #MFR? Identify Manufacturer
Values: n/a
Description: Displays the name of the manufacturer.
Command: #REV? Identify Revision Level
Values: n/a
Description: Displays the revision level of the modem in the format XXXX-
XXXX-XXX YYY, where the X's represent the part number
and the Y's represent the revision number.
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