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AT Command Reference
i-modul Modem 144/56k
Command
Description
ATD<n>
(Continuation)
W
Wait for dialing tone: The i-modul Modem 144/56k 3.0 basic waits
for the dialling tone before it starts to dial. If no dialling tone was
detected within the period specified in the S6 registry, the i-modul
Modem 144/56k 3.0 basic hangs up and an error message is dis-
played.
@
Wait for silence: The i-modul Modem 144/56k 3.0 basic waits at
least five seconds for silence in the line, before it executes the next
character from the parameter string. If this five second silence can
not be detected and the abort period in the S7 registry has not
been exceeded, the i-modul Modem 144/56k 3.0 basic terminates
the connection displaying the message:
NO ANSWER
.
If busy tone detection is enabled, the i-modul Modem 144/56k 3.0 basic the dial-
up indicating the message:
BUSY
.
If a response tone from the other i-modul Modem 144/56k 3.0 ba-
sic is received during the waiting period, a connection is estab-
lished.
‚
Dial tone delay: The i-modul Modem 144/56k 3.0 basic performs a
dial tone delay before it executes the next character of the parame-
ter string. The delay length is defined in the S8 registry.
L
Last
number
re-dialling.
;
Return to the input mode after dialling. It is added to the end of the
dialling string and causes the i-modul Modem 144/56k 3.0 basic to
return to the entry mode when it reaches "
;"
(with:
OK
message).
This enables the input of
AT
commands even with a receiver off-
hook. The additional
AT
commands can follow in the same input
line after the ";" or they can be transmitted to further input lines.
The
ATH
command will abort the connection and the receiver is
hung up.
S=n
Dialling the n-th number from the number pool, which was set up
with the
AT&Z<n>
command.
!
Flash – If the character ”!” is a part of the dialling string, the i-
modul Modem 144/56k 3.0 basic will hang up within the time
frame determined in S29 and then goes off-hook again.
^
Suppresses the sending of a ringing tone.
ATD12345;
The semicolon (
;
) causes the return to the input mode after dial-
ling.
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