Modem Reference 6-23
+GMIRequest Manufacturer Identification
Syntax: AT+GMI
AT+GMI=?
This command displays one or more lines of information text, identifying
the manufacturer of the modem. +GMI=? may be used to determine
whether the adapter supports the +GMI command: an OK response
indicates support, ERROR indicates non-implementation.
+GMM Request Model Identification
Syntax: AT+GMM
AT+GMM=?
This command displays one or more lines of information text, identifiying
the modem model. +GMM=? may be used to determine whether the
modem supports the +GMM command: an OK response indicates
support, ERROR indicates non-implementation.
+GMR Request Revision Identification
Syntax: AT+GMR
AT+GMR=?
This command displays one or more lines of information text, identifiying
the revision level of the firmware of the modem. +GMR=? may be used
to determine whether the adapter supports the +GMR command: an OK
response indicates support, ERROR indicates non-implementation.
+MS Modulation Selection
The AT+MS parameter controls data modulations and bit rates that may
be negotiated between a local and remote modem. It accepts four
subparameters.
Syntax:
AT+MS=<carrier>,<automode>,<min_rate>,<max_rate>
AT+MS?
AT+MS=?
+MS? Reports the current settings of subparameters
