AT Commands Reference Manual - wireless netcontrol GmbH

Chapter 3: AT Commands Reference
The following table shows the D parameters.
Table 3-4: D Parameters
semicolon (;)
Description
Valid phone digits are: 0 1 2 3 4 5 6 7 8 9 * # + and,
The following characters are ignored: A B C D - () / and .
The comma digit: When dialing a voice call, digits until the comma are
considered addressing information (phone number). Any digits after the comma are
sent as DTMF tones after the voice call is connected. More than one comma causes a
pause in sending the tones. When dialing a data/fax call, the comma digit is ignored,
and all other digits before and after the comma are considered addressing information
(phone number).
The plus digit: Indicates that the international access code exists in the number.
When given after , a voice call is originated to the given address,
otherwise a data call is originated.
Note: ATDP, ATDT, and are ignored. The command is handled as ATD.
The control of supplementary services through the Dial command is not supported as
these are controlled through the specific supplementary service commands (CCFC,
CLCK, and so on.)
Initiating a GPRS connection is done through ATD*99#, as described in “D*99, Request
GPRS Service "D"” on page 3-297.
For dialing emergency numbers see "EN" storage at "+CPBS, Select Phone Book
Memory Storage".
Example
atd44345678;
//VOICE call (with semicolon)
OK
OK
atd44345678
//DATA/ FAX call (without semicolon)
...
CONNECT //Move to online Data state
D>, Direct Dialing from Phone Books
This command places a FAX/DATA/VOICE call on the current network by dialing directly from
the H24 phone book.
Notes: • "+CME ERROR: not found" is returned when no match is found in an existing
phone book.
• FD phone book supports the (?) wild card character. Telephone numbers
containing this character cannot be dialed directly from the phone book.
• When SM phonebook is searched and the given entry value is of the ME
phonebook, ME phonebook will be searched as well (result code would be the
same as if MT phonebook was searched).
April 15, 2010 H24 - AT Commands Reference Manual 3-13