Read command

The parameter <mode> is returned always when <n>=0 or when <n>=1. The optional parameter <state> is returned when <n>=2 and <access> when <n>=3.

+CSCON: <n>,<mode>[,<state>[,<access]]

The read command parameters and their defined values are the following:

<n>

0 – Unsubscribe unsolicited indications

1 – Subscribe <mode>

2 – Subscribe <mode>[,<state>]

3 – Subscribe <mode>[,<state>[,<access>]]

<mode>

0 – Idle

1 – Connected

<state>

7 – Evolved Terrestrial Radio Access Network (E-UTRAN) connected

<access>

4 – Radio access of type E-UTRAN FDD

When reading the current signaling connection status, the following response indicates that unsolicited indications are disabled, and the modem is an idle state:

AT+CSCON?
+CSCON: 0,0
OK

The following response indicates that unsolicited indications are enabled, the modem mode is 1, E-UTRAN is connected and the radio access type is E-UTRAN FDD:

AT+CSCON?
+CSCON: 3,1,7,4
OK