Siemens AC75 Manuel D’Utilisation
AC75 AT Command Set
10.9 AT^SICO
s
AC75_ATC_V01.002
Page 287 of 569
10/30/06
Confidential / Released
10.9
AT^SICO Internet Connection Open
The
write command opens a connection profile (also referred to as bearer). Unlike the
mand which starts a connection profile and the service profile bound to it,
activates only the selected
connection profile. Another difference over
is that
disables the inactivity timeout of the
selected connection profile and, therefore, sets the "inactTO" value to -1 (see also
). To release the
connection use the close command
. Closing the bearer restores the previously set "inactTO" value of
the concerned connection profile.
The
command may be used, for example, to keep a bearer open while no service is active (i.e. while
no service has been opened with
). Also, the
command is necessary for running the Ping
command
A connection opened with
or, in case of inactivity, discon-
nected by the network after 25 hours usually. The network initiated disconnection can be avoided by sending
at regular intervals (Ping). The Round Trip Time (RTT) of the
command strongly depends
on the data traffic of the IP services or DUN connections used at the same time.
write command the AT channel is blocked until the connection is
established. The command may be aborted when receiving any character during execution, e.g. "AT" or "at".
The
read command requests the current settings of all Internet connection profiles set with
.
The output is identical with the read command response of
. One line is issued for every possible
parameter of a given
value.
Syntax
Parameter Description
0...5
Internet connection profile identifier defined with parameter
of
.
Test Command
AT^SICO=?
Response(s)
[^SICO:(list of defined
OK
Read Command
AT^SICO?
Response(s)
,
[^SICO: ...]
OK
OK
Write Command
Response(s)
OK
ERROR
PIN
ASC0 ASC1 USB MUX1 MUX2 MUX3 Charge
4
Last
+
+
+
+
+
+
+
-
-
-
<conProfileId>
(num)