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Atd mobile originated call to dial a number, 5 atd mobile originated call to dial a number – Siemens MC35 User Manual

Page 15

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AT Command Set

MC35_ATC_01_V03.02

Page 15 of 228

13.03.2002

2.5 ATD Mobile originated call to dial a number

Execute command

ATD[]

[

This command can be used to set up outgoing voice, data or fax calls. It also
serves to control supplementary services.

Note:

The command may be aborted generally when receiving an ATH command during
execution. It can´t be aborted in some connection setup states, such as hand-
shaking. Different behaviour between voice and data call. Behaviour depends on
parameter setting of AT^SM20. Voice call setup terminates immediately with OK.
Data call setup terminates when call has been established.

Response

If no dialtone (parameter setting ATX2 or ATX4):
NO DIALTONE

If busy (parameter setting ATX3 or ATX4):
BUSY

If a connection cannot be set up:
NO CARRIER

If successfully connected and non-voice call:
CONNECT TA switches to data state.

Note:

output only if +ATX parameter setting with value > 0.

When TA returns to command mode after call release:
OK

If successfully connected and voice call:
OK

Parameter

String of dialling digits and optionally V.25ter modifiers (dialling digits):
0-9, * , #, +, A, B, C
V.25ter modifiers: these are ignored: ,(comma), T, P, !, W, @

Emergency call:

= 112 worldwide number (no SIM needed)

String of GSM modifiers:

I Activates CLIR (disables presentation of own phone number to called
party)
i Deactivates CLIR (enables presentation of own phone number to
called party)

<;>

Only required to set up voice calls. TA remains in command mode.

Reference

V.25ter/GSM
07.07

Note

• Parameter ”l“ and ”i“ only if no *# code is within the dial string.

is not supported for data calls.

is default for last number that can be dialled by ATDL.

• See also +ATX and chapter 9.1.5 for .

• The *# codes can only be used with voice calls (i.e.if “;” is appended).

• If ATD is used with a USSD command (e.g. ATD*100#;) an AT+CUSD=1 is

executed implicitly (see AT+CUSD, pg. 115).