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AT Commands

AT command formats

<max_rate> The maximum receive rate. If set to 0, then the max rate will be determined by the modulation means selected in the <carrier> and <automode> settings. Zero is the default. Valid <max_rate> values are from 300 to 57333. Maximum receive rates for each valid <carrier> are as follows, in bits per second:

V92 28000—57333 / steps of 1333

V90 28000—57333 / steps of 1333

V34 2400—33600 / steps of 2400

V32B 4800—19200 / steps of 2400

V32 4800—14400 / steps of 2400

V22bis 2400

V22 2200

Bell212A 1200

V23C 1200

V.21 300

Bell103 300

Example: +MS=V92,1,0,0

This sets the modulation to be V.92 and the speed negotiations to use automode. This is the modem default.

Example: +MS=V90,0,0,45333

This will limit the maximum speed to 45,333 bps in V.90 mode.

+MS?

This command displays the current +MS command configuration.

+MS=?

This command displays all supported values for each +MS command parameter.