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AT Commands
Page 141
AT#M Command Mode Selection
The #M command selects AT command mode or V.25bis operating mode.
See the section — V.25bis Operations — for an explanation of V.25bis.
The #M command doesn’t take effect until the an AT&W and an ATZ command are issued.
Options
AT#M0 ■ AT command operation
AT#M1 Asynchronous V.25bis
AT#M2 Synchronous V.25bis (HDLC framing)
AT#M3 Synchronous V.25bis (Char. framing-BSC mode)
See Also
Z command Reset
&W command Write Configuration Parameters
Range
0-3