Specifications

TC35i AT Command Set
Confidential / Released
TC35i_ATC_V01.05 Page 20 of 278 04.08.2003
2.5 ATD Mobile originated call to dial a number
Execute command
ATD[<n>]
[<mgsm][;]
This command can be used to set up outgoing voice, data or fax calls. It also
serves to control supplementary services.
The command may be aborted generally when receiving an ATH command during
execution. Abortion is not possible during some states of connection setup such as
handshaking.
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<text> TA switches to data state.
Note: <text> output only if ATX parameter setting with value > 0.
When TA returns to command mode:
OK
If successfully connected and voice call:
OK
Parameter
<n> String of dialing digits and optionally V.25ter modifiers (dialing digits): 0-
9, * , #, +, A, B, C
V.25ter modifiers: these are ignored: ,(comma), T, P, !, W, @
Emergency call:
<n> = Standardized emergency number 112 (no SIM needed)
<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)
G Activates Closed User Group invocation for this call only.
g Deactivates Closed User Group invocation for this call only.
<;> Only required to set up voice calls. TA remains in command mode.
Reference
V.25ter
GSM 07.07
GSM 02.07
Annex A
General remarks:
· Before setting up a data call, check that RTS/CTS handshake is enabled. See
Chapters 1.6 and 2.3.
· Parameter ”l“ and ”i“ only if no *# code is within the dial string.
· <mgsm> is not supported for data calls.
· <n> is default for last number that can be dialed by ATDL.
· *# codes sent with ATD are treated as voice calls. Therefore, the command
must be terminated with a semicolon “;”.
· If ATD is used with a USSD command
(
e.
g
. ATD*100#;
)
an AT+CUSD=1 is