AirPrime and HL7548 AT Commands Interface Guide Rev10 0

Table Of Contents
4116303 Rev 10.0 August 10, 2017 124
AT Commands Interface Guide
Network Service Related Commands
HL7518 and HL7548
"IR" BIC-Roam (Barr Incoming Calls when Roaming outside the home country)
"FD" SIM card or active application in the UICC (GSM or USIM) fixed dialing
memory feature (if PIN2 authentication has not been done during the current
session, PIN2 is required as <passwd>)
"PN" Network Personalization
"PU" Network subset Personalization
"PP" Service Provider Personalization
"PC" Corporate Personalization
<oldpwd> String type containing the old password
<newpwd> String type containing the new password
<pwdlength> Length of password
6.10. +CREG Command: Network Registration
HL7518 and HL7548
Test command
Syntax
AT+CREG=?
Response
+CREG: (list of supported <n>s)
OK
Read command
Syntax
AT+CREG?
Response
+CREG: <n>,<stat>[,<lac>,<ci>[,<AcT>]]
OK
Write command
Syntax
AT+CREG=[<n>]
Response
OK
or
+CME ERROR: <err>
Parameters
<n> 0 Disable network registration unsolicited result code
1 Enable network registration unsolicited result code +CREG: <stat>
2 Enable network registration and location information unsolicited result code
+CREG: <stat>[,<lac>,<ci>[,<Act>]]
<stat> 0 Not registered, ME is not currently searching a new operator to register to
1 Registered, home network
2 Not registered, but ME is currently searching a new operator to register to
3 Registration denied
4 Unknown
5 Registered, roaming
<lac> String type; two-byte location area code in hexadecimal format (e.g. "00C3" equals
195 in decimal)