Siemens M20 Terminal Technical Description page 37

Cellular engine
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ATDL
Redial last telephone number used
Execute command
Response
ATDL[;]
TA attempts to set up an outgoing call to stored number.
Note:
mand cannot be aborted in some connection setup states, such as handshaking.
If there is no last number or number is not valid:
+CME ERROR
or:
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>
TA switches to data state.
When TA returns to command mode after call release
OK
If successfully connected and voice call
OK
Parameter
<;>
Reference
Note
Siemens
Version 8 dated 15.03.00
this command may be aborted generally by receiving a character during execution. This com-
Note:
<text> only if parameter setting X>0
voice call
AT command interface
A
37

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