Specifications

AT Command Set Reference
Ver. 1.00
GSM1308AT001 Page 14 Ver. 1.00 – 10/29/2008
2.1.2.2. ATD Dial command
Command Function This command is used to setup an
outbound voice or data call.
Command Functional Call Control
Group
Command Format Query N/A
Response N/A
Write Format N/A
Response N/A
Read Format N/A
Response N/A
Execution Format ATD1234567I;
Response NO DIALTONE or
NO CARRIER or
CONNECT <value> or
BUSY or
OK
Parameter Values
<n> V.25ter Dialing Digits = 0 – 9, *, #, +, A, B,
C
V.25ter Dialing Modifiers = , (comma), T, P,
!, @, W
<cmod> GSM Modifier Characters
I = Restrict CLI, i = Allow CLI
<;> Semicolon after dialing string or modifier
indicates voice call and forces TA into
command mode after successful
completion.