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OnCell G2150I AT Command Set Call Control Commands
4-2
Dial Command: D
Description: The ATD command is used to set a voice, data or fax call. As per GSM 02.30, the
dial command also controls supplementary services.
For a data or a fax call, the application sends the following ASCII string to the product
(the bearer must be previously selected with the +CBST command):
ATD<nb>
Note: If a GPRS PPP session is already running, the setting of a CSD (GSM data
call) is not supported.
For a voice call, the application sends the following ASCII string to the product: (the
bearer may be selected previously; if not, a default bearer is used).
ATD<nb>; where <nb> is the destination phone number.
Emergency calls
The following Emergency Numbers are available without a SIM card:
000, 08, 110, 112, 118, 119, 911 and 999.
The following Emergency Numbers are available with a SIM card:
when EF_ECC file is missing from SIM: 112 and 911
when SIM includes an EF_ECC file: 112, 911 and any Emergency Numbers
available in the EF_ECC file.
Please note that for an international number, the local international prefix does not need to be
set (usually 00) but does need to be replaced by the ‘+’ character.
Example: to set up a voice call to MOXA offices from another country, the AT command is:
“ATD+886289191230;”
Note that some countries may have specific numbering rules for their GSM handset
numbering.
The response to the ATD command is one of the following:
Verbose result code Numeric code
(with ATVO set)
Description
OK 0 If the call succeeds, for voice call only
CONNECT <speed> 10, 11, 12, 13, 14, 15 If the call succeeds, for data calls only,
<speed> takes the value negotiated by the
product
BUSY 7 If the called party is already in communication
NO ANSWER 8 If no hang up is detected after a fixed network
time-out
NO ANSWER 3 Call setup failed or remote user release. Use
the AT+CEER command to know the failure
cause
Direct dialing from a phonebook (stored in the SIM card) can be performed with the following
command:
ATD> <index>; to call <index> from the selected phonebook (by the +CPBS
command)
ATD> “BILL”; to call “BILL” from the selected phonebook
ATD> mem <index> (mem is “SM”,”LD”,”MC”,”ON”,”ME”,”RC”,”MT” or “SN”,
See +CPBS command) allows direct dialing from a phonebook number..
Command syntax: ATD<nb>[<I>][;]
ATD>[<mem>]<index>[<I>][;]
ATD>[<mem>]<name>[<I>][;]