Data Sheet

Smart Machine Smart Decision
OK
Parameters
See Write Command
Response
OK
Write Command
AT+CEER=<n>
Parameter
<n> 0 The reason for last call release as text code
1 The reason for last call release as number code
Response
TA returns an extended report of the reason for the last call release.
+CEER: <report>
OK
Parameters
<report> If AT+CEER=0, return <s>
<s> a string that represents the Cause
If AT+CEER=1, return
Cause:<c>
<c> number representing the Cause
Execution
Command
AT+CEER
Parameters
<c>(number) <s>(string)
0 (No cause)
1 (unassigned (unallocated) number)
3 (no route to destination)
6 (channel unacceptable)
8 (operator determined barring)
16 (normal call clearing)
17 (user busy)
18 (no user responding)
19 (user alerting, no answer)
21 (call rejected)
22 (number changed)
26 (non-selected user clearing)
27 (destination out of order)
28 (invalid number format (incomplete number))
29 (facility rejected)
30 (response to STATUS ENQUIRY)
31 (normal, unspecified)
SIM800 Series_AT Command Manual_V1.05 64 2014-07-31