AT Command Set - Olitec

4.41 AT+CREG Network registrationTest commandAT+CREG=?Read commandAT+CREG?Response+CREG: (list of supported s) OKParameterSee write commandME returns the URC presentation mode and an integer that showsthe registration status of the ME. The location information elements and are returned only when =2 and ME is registered to the network.Response+CREG: ,[,,]OKor if an error occurs which is related to ME functionality:+CME ERROR: (for error text see Chapter 8.1.1. or set AT+CMEE=2)Write commandAT+CREG=[]Use the write command to select the type of URC. Two types of URCs areavailable:+CREG: if =1. To be issued when the ME's network registrationstatus changesor+CREG: [,,] if =2. To be issued when ME's network registrationor network cell changes.ResponseOKor if an error occurs which is related to ME functionality:+CME ERROR: 256 If = 0: Attempt to set once again =0 causes errorcode 256.If > 0: Attempt to activate a URC mode that is alreadyactive is acknowledged with OK.Parameter 0 disable URCs1 enable URC +CREG: to report status of network registration2 enable URC +CREG:[,,] to report status ofnetwork registration including location information. Pleasenote that optional parameters will not be displayed duringcall. 0 not registered, ME is currently not searching for new operatorUnsolicited result code1 registered, home network2 not registered, but ME is currently searching for a new operator3 registration denied4 unknown5 registered, roamingstring type; two byte location area code in hexadecimal format(e.g. "00C3" equals 193 in decimal)string type; two byte cell ID in hexadecimal formatPage 122 of 207