S1 Ring Count; S2 Escape Code Character; S12 Escape Guard Time; Escape - Nokia 30 GSM Connectivity Terminal At Command Manual

6.2.2 S1 Ring count

Command
Read S1?
The S1 command returns the number of rings (RING or +CRING result codes) counted after
the last MT call setup.

6.2.3 S2 Escape code character

Command
Set S2=<n>
Read S2?
The S2 command specifies the character to be used in the escape sequence. The default
character is a plus sign. See also the +++ Escape command.

6.2.4 S12 Escape guard time

Command
Set S12=<n>
Read S12?
The S12 command sets the guard time before and after the escape sequence. The value is
in fiftieths of a second (the default is one second). See also the +++ Escape command.

6.2.5 +++ Escape

During the online data state, it is possible to enter the online command state by giving three
identical characters (defined by S2register; the default is '+') in a sequence. Before and after
the sequence, there must be a pause of at least the time defined by the S12 register. By
setting S12 to zero, an escape sequence detection can be disabled.
Response <n> values
<n> 000..255
Response <n> values
0..127 (default 43)
<n> 000..127
Response <n> values
0..255 (default 50)
<n> 000..255
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