Siemens AT Command Set Cellular Engines Wireless Modules MC35 ユーザーズマニュアル

MC35_ATC_01_V04.00

Page 19 of 238

02.04.2002

This command can be used to dial a phone number selected from the active memory. The active
memory is the phonebook selected with AT+CPBS (see Chapter 4.33). To set up a call simply enter
the memory location of the desired entry. The memory location range of each phonebook can be
queried by AT+CPBR (see Chapter 4.32).

Execute command

ATD><n>[<mgsm>][;]

TA attempts to set up an outgoing call to the stored number.

Note:

This command may be aborted generally by receiving a character
during execution. It can´t be aborted in some connection setup states,
such as handshaking.

Response

If error is related to ME functionality:
+CME ERROR: <err>

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<text

> TA switches to data state.

Note:

 <text> 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

integer type memory location should be in the range of locations
available in the memory used, i.e. the index number returned by
AT+CPBR.

<mgsm> 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 

<mgsm>  only if no *# code is within the dial string.

•  Command is not supported for data call!

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

•  See also +ATX and chapter 9.1.5 for <text>.