GSM/GPRS Module
M35 AT Commands Manual
M35_AT_Commands_Manual Confidential / Released
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ATA
// Accept the voice call with
ATA
OK
7.2. ATD Mobile Originated Call to Dial a Number
Parameter
ATD Mobile Originated Call to Dial a Number
Execution Command
ATD<n>[<mgsm][;]
Response
This command can be used to set up outgoing voice, data or
FAX calls. It also serves to control supplementary services.
If no dial tone and (parameter setting
ATX2
or
ATX4
):
NO DIALTONE
If busy and (parameter setting
ATX3
or
ATX4
):
BUSY
If a connection cannot be established:
NO CARRIER
If connection is successful and non-voice call.
CONNECT<text>
TA switches to data mode.
<text>
output only if
ATX<value>
parameter setting with the
<value>
>0
When TA returns to command mode after call release:
OK
If connection is successful and voice call:
OK
Reference
V.25ter
<n>
String of dialing digits and optionally V.25ter modifiers
dialingdigits:
0-9, * , #, +, A, B, C
Following V.25ter modifiers are ignored:
,(comma), T, P, !, W, @
Emergency call:
<n>
Standardized emergency number 112(no SIM needed)