Quectel EC25 Command Manual page 110

<idx> Call identification number is an optional index in the list of current calls indicated by
AT+CLCC. AT+QHUP will terminate the call identified by the given call number. The
default call number 0 is not assigned to any call, but signifies all calls.
0
1...7
Example
AT+QHUP=?
OK
ATD10010;
OK
ATD10086;
OK
AT+CLCC
+CLCC: 1,0,1,0,0,"10010",129
+CLCC: 2,0,0,0,0,"10086",129
OK
AT+QHUP=17,1
OK
AT+CLCC
+CLCC: 1,0,0,0,0,"10086",129
OK
AT+QHUP=16
OK
AT+CLCC
OK
EC25&EC21_AT_Commands_Manual
Terminate all known calls. However, if circuit switches data calls and
voice calls at the same time, this command only terminates the CSD
calls.
Terminate the specific call with identification number.
//Test Command
//Dial 10010
//Dial 10086
//Query the status of calls
//Terminate the call whose ID is 1. Disconnect cause is "user busy"
//Query the status of calls
//Terminate all existed calls. Disconnect cause is "normal call clearing"
LTE Module Series
EC25&EC21 AT Commands Manual
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