Gmi request manufacturer identification, Gmm request model identification, Gmr request revision identification – Intel LAN+Modem56 PC Card PRO/100 User Manual
Page 147: Ms modulation selection

Modem Reference
6-23
+GMI Request 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=
AT+MS?
AT+MS=?
+MS?
Reports the current settings of subparameters