LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 38 / 231
RING
AT+CLCC
+CLCC: 1,1,4,0,0,
“15695519173”,161
OK
AT+CPAS
+CPAS: 3
//The module is ringing
OK
AT+CLCC
+CLCC: 1,0,0,0,0,
“10010”,129
OK
AT+CPAS
+CPAS: 4
//Call in progress
OK
4.2. AT+CEER Extended Error Report
The command is used to query an extended error and report the cause of the last failed operation, such
as:
the failure to release a call
the failure to set up a call (both mobile originated or terminated)
the failure to modify a call by using supplementary services
the failure to activate, register, query, deactivate or deregister a supplementary service
the failure to attach GPRS or the failure to activate a PDP context
the failure to detach GPRS or the failure to deactivate a PDP context
The release cause
<text>
is a text to describe the cause information given by the network.
AT+CEER
Extended Error Report
Test command
AT+CEER=?
Response
OK
Execution command
AT+CEER
Response
+CEER: <text>
OK
ERROR
If error is related to ME functionality: