User Manual

MAN4005-04-EN GPRS / GSM MODEM Configuration PAGE 43
B. AT Command Set
1. ATD Dial command
Command Function This command is used to setup an outbound voice or data call.
Command Functional
Group
Call Control
Command Format Query
Response
N/A
N/A
Write Format
Response
N/A
N/A
Read Format
Response
N/A
N/A
Execution Format
Response
ATD1234567I;
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.
Modem Responses
NO DIALTONE if no dial tone is detected
NO CARRIER
if call cannot be set up
CONNECT <value>
when connected in a non-voice call (data mode) <value> dependent on ATX setting
BUSY
if dialed number is busy
OK
when successful voice call or TA ends current call and returns to command mode
Example:
ATD5551212I
The TA will dial the number 5551212 and will block the CLI when made.
Page 43 of 62 ECN # 956