AT command interface
Version 8 dated 15.03.00 31
Siemens Information and Communication Products
A
Execute command
ATD<n>[;]
Response
When <n> is a call string
TA attempts to set up an outgoing call.
If error is related to ME functionality
+CME ERROR: <err>
If no dialtone and (parameter setting X=2 or X=4)
NO DIALTONE
If busy and (parameter setting X=3 or X=4)
BUSY
If a connection cannot be set up
NO CARRIER
If successfully connected and non-voice call
CONNECT<text> Note:
<text> only if parameter setting X>0
TA switches to data state.
When TA returns to command mode after call release
OK
If successfully connected and voice call
OK
Parameter
<n> string of dialling digits and optionally V.25ter and GSM modifier characters:
dialling digits: 0-9
*, # only for supplementary service call
+ only as first character for call
A, B, C they are ignored
V.25ter modifiers: (comma), T, P,!, W, @ they are ignored
GSM modifiers: I, #31# CLIR invocation
i, *31# CLIR suppression
G, g CUG info, uses set with command +CCUG
Maximum sum of dialling digits and GSM modifiers in <n>: 20
Note:
leading "+" is not counted as dialling digit. E.g. +...20... characters
If <n> is missing: default value of <n> is last dialled number
<;> voice call, return to command state
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