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AT#D V.25bis Direct Calling
This command determines whether direct calling procedures (or ‘DTR dialling’) will be used
when V.25bis mode is selected.
Refer to the section titled ‘Direct Dialling’, which appears in the V.25bis chapter, for details of
how direct dialling works.
Options
AT#D0 ■ Disable direct calling procedures
AT#D1 Enable direct calling procedures
Range
0-1