Specifications
AT Command Set Reference
Ver. 1.00
GSM1308AT001 Page 417 Ver. 1.00 – 10/29/2008
Appendix A – Result Codes
Result Codes
Modem Verbose
Response
Modem Terse
Response
Definition
OK 0 command successful completed; ready
CONNECT 1 entering data transfer state
RING 2 Ring indication detected
NO CARRIER 3 connection terminated
ERROR 4 Command abnormally completed, ready
NO DIALTONE 6 Dial tone not found
BUSY 7 Busy signal detected
NO ANSWER 8 connection completion timeout
Unsolicited Result Codes
Result Code Definition
+CCCM: <ccm> Current call meter value AT+CACM=1
+CCWA: <number>,<type>
,<class>[,<alpha>]
Call Waiting Status AT+CCWA=1
+CLAV: <code> ME Language Change AT+CLAE=1
+CLIP: <number>
,<type>[,<subaddr>
,<satype>[,<alpha>]]
Calling Line Identification
Presentation
AT+CLIP=1
+CME ERROR: <err> ME Error Result Code AT+CMEE=x
+COLP: <number>
,<type>[,<subaddr>
,<satype>[,<alpha>]]
Connected Line Identification
Presentation
AT+COLP=1
+CR: <type> Service Reporting Control AT+CR=1
+CREG: <stat>[,<lac>,<ci>] Registration status indication AT+CREG=1
+CRING: <type> Incoming Call Indication AT+CRC=1
+CSSI: <code1>[,<index>] Supplementary Services Result
Code
AT+CSSN=1,1
+CSSU: <code2>
[,<index>[,<number>,
<type>[,<subaddr>,<satype>]]]
Supplementary Services Result
Code
AT+CSSN=1,1
+CUSD: <m>[,<str>,<dcs>] Indication of Incoming USSD
String
AT+CUSD=1
+CGREG: <stat>[,<lac>,<ci>] GPRS Registration Status AT+CGREG=1