Specifications

SIM900 AT Commands Set
145 International number type(ISDN format )
177 Network specific number(ISDN format)
<alpha> optional string type(string should be included in quotation
marks) alphanumeric representation of <number>
corresponding to the entry found in phone book
Reference
GSM07.07
Note
3.2.7AT+CEER Extended Error Report
AT+CEER Extended Error Report
Read Command
AT+CEER?
Response
+CEER: <n>
OK
Parameter
see Write Command
Test Command
AT+CEER=?
Response
+CEER:（0-1）
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
Execution
Command
AT+CEER
Response
TA returns an extended report of the reason for the last call release.
+CEER: <report>
OK
Parameter
<report> If AT+CEER=0, return <c>
<c> a string that represents the Cause
If AT+CEER=1, return
CauseSelect: <cs> Cause:<c>
<cs> number representing the CauseSelect
<c> number representing the Cause
Parameters
CauseSelect <cs> Cause <c>(number) <c>(string)
0 (No cause) 0 (No cause)
16 (Service provider) 0 (Unknown)
SIM900_ATC_V1.01 53 23.06.2010