Nokia 9356900 issue 1 用户手册

List of AT Commands for Nokia 22

6.2.2 S1 Ring count

Command

Response

<n> values

Read

S1?

<n>

000..255

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

Response

<n> values

Set

S2=<n>

0..127 (default 43)

Read

S2?

<n>

000..127

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

Response

<n> values

Set

S12=<n>

0..255 (default 50)

Read

S12?

<n>

000..255

The S12 command sets the guard time before and after the escape sequence. The value is in
fiftieths of a second (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 same
characters (defined by S2register; 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.

6.3 GSM

07.07

6.3.1 +CSTA Select type of address

Command

Response

Default

Set

+CSTA=<type>

129

Read

+CSTA?

+CSTA: <type>

Test

+CSTA=?

+CSTA: (129, 145)

The +CSTA command selects the type of number according to the GSM specifications. The dial
command D always uses this setting, except for the case when the dial string includes the
international access code character (+). In this case, the type of address sent to the network
defaults to 145.