MLB-G3002 Terminal User Guide 49 Rev 1.1
5.6.3 AT^SISO Internet Service Open
AT^SISO=<srvProfileId>[, <optParam>]
<srvProfileId> 0 ... 9 specified with AT^SISS.
Normal Operation like AT^SISO= <srvProfileId>
Show only service parameter of <srvProfileId>
5.6.4 AT^SIST Enter Transparent Access Mode
AT^SIST=<srvProfileId>
<srvProfileId> 0 ... 9 specified with AT^SISS.
5.6.5 +++ Switch from data mode to command mode
To prevent the +++ character sequence from being misinterpreted as data, it must be preceded and
followed by a pause of at least 1000 ms. The +++ characters must be entered in quick succession, all
within 1000 ms.
5.6.6 AT^SISC Internet Service Close
AT^SISC=<srvProfileId>
<srvProfileId> 0 ... 9 specified with AT^SISS.