B. at command set, Atd dial command – Horner APG XLt OCS HE-GSM04 User Manual

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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

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