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AT#B 1200bps Originate Mode
The #B command determines whether the modem will use V.23 or V.22 for its 1200 bps originate
speed when B0 or B2 is selected.
By default, your modem will use V.23 as its 1200 bps connection standard with B0 selected and
V.22 with B2. #B1 reverses these settings.
Options
AT#B0 ■ B0 = V.23 B2 = V.22
AT#B1 B0 = V.22 B2 = V.23
See Also
B command Select Communications Standards
Range
0-1