Specifications

Chapter 7 – Call-Related Commands
Multi-Tech Systems, Inc. AT Commands for EDGE (E1) Modems (S000474A) 96
7.6 ATD><str> Mobile Originated Call from Active
Memory Using Corresponding Field
Description: This command searches the active phonebook for a given string <str> and dials the
assigned phone number.
The termination character “;” is mandatory since dialing from a phonebook is only
supported for voice calls and for sending *# codes of Supplementary Services or other
functions.
Syntax: Exec Command: ATD><str>[<mgsm>];
Response: ERROR
+CME ERROR: <err>
If no dial tone (parameter ATX2 or ATX4):
NO DIALTONE
If busy (parameter setting ATX3 or ATX4):
BUSY
If connection cannot be set up:
NO CARRIER
NO DIALTONE
When TA returns to command mode after call release:
OK
If successfully connected:
OK
Parameter Descriptions:
<str>
String type value (“x”), which should equal an alphanumeric field in at least one phonebook entry in the searched
memories; used character set should be the one selected with AT+CSCS. <str> can contain escape sequences
as described in Chapter 1, section “Supported character sets”.
<str> must be wrapped in quotation marks (“”), if escape sequences or parameter <mgsm> are used or if the
alphanumeric strings contains a blank. If not, quotation marks are optional.
If AT+CSCS is set to “UCS2”, with respect to the coding of UCS2-characters only phonebook entries that contain
an alphanumeric string with as size less than the half of the parameter <tlength> from AT+CPBW can be dialed.
<mgsm>
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)
Notes
• This command may be aborted generally by receiving a character during execution. Abortion is not possible
during some states of connection setup such as handshaking.
• The command is not applicable to data calls. Any attempt to dial <str> without semicolon “;” causes the result
code “NO CARRIER” to appear.
• Parameter <mgsm> only if no *# code is within the dialing string.
• This command is PIN protected;
• This command is not supported in airplane mode.