AT Commands
Page 121
AT&N Abort Connection
The &N command determines whether the modem will abort the attempt to make a connection if
sent a character by the computer.
You can abort connection by either lowering the DTR (Data Terminal Ready) signal, or by
sending a character (except a null or line feed character) to the modem.
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If you have used the &N0 command and the DTR Option switch is in the down
position, you will not be able to abort dialling after the D (Dial) command is
issued.
Options
AT&N0 Disable abort connection
AT&N1 ■ Enable abort connection
Range
0-1