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TC63_ATC_V00.490

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5/24/05

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This command can be used to set up outgoing voice, data or fax calls. It also serves to control Supplementary

Services. The termination character ";" is mandatory to set up voice calls or to send *# codes for Supplementary

Services. It must not be used for data and fax calls. 

Additional notes on the responses returned after dialing with 

: 

• For voice calls, you have the choice of two different response modes that can be selected with 

=1 (factory default) causes the ME to respond once the call setup is completed either successfully

("OK") or unsuccessfully ("NO CARRIER", "NO DIAL TONE", "BUSY"). 

=0 causes the ME to return "OK" immediately after dialing was completed (i.e. before call setup ter-

minates successfully or unsuccessfully). 

• For data connections, call setup always terminates when the call has been established (indicated by the result

code "CONNECT <text>), or when it fails (indicated by "NO CARRIER"). The settings of 

 do not

apply. 

Different call release indications: 
• Upon termination, an outgoing fax or data call may show a different result code than a voice call would show

under identical conditions. In order to track down the actual reason for call termination, 

 or 

should be used for all applicable connections. 

 during an active call: 

• When a user originates a second voice call whil there is already an active voice call, the first call will automat-

ically put on hold. The second call attempt is acknowledged with "OK" immediately after dialing with ATD has

completed, without relation to a successful call setup. In case of failure, the additional result codes "NO CAR-

RIER", "NO DIAL TONE", "NO CARRIER" will be presented afterwards (see example below). 

String of dialing digits and optional V.250 modifiers: 0-9, *, #, +, A, B, C

The following V.250 modifiers are ignored: ,(comma), T, P, !, W ,@

Emergency call : <n> = 112, 911 or 08, standardized GSM emergency number (no SIM needed).

Exec Command

ATD

][;]

Response(s)

If no dialtone (parameter setting 

2 or 

4):

NO DIALTONE
If busy (parameter setting 

3 or 

4):

BUSY
If a connection cannot be set up:
NO CARRIER

OK
If successfully connected and non-voice call (TA switches to online data mode):
CONNECT 

When TA returns to command mode after call release:
OK
If successfully connected and voice call:
OK

Reference(s)

PIN

ASC0 ASC1 USB MUX1 MUX2 MUX3 Charge

4

Last

V.250

§

%

§

%

%

§

§

!

!

!

<n>

(text)