41110590
Rev 6.1
January 28, 2019
31
Product Technical Specification and
User Guide
Communicating with the GL7x00
Table 20.
Network Registration Values
Returned Values <mode>,<stat>
Network Registration
+CREG: 0,0
No (not registered)
+CREG: 0,1
Yes (registered, home network)
+CREG: 0,5
Yes (registered, roaming)
For more information about AT commands applicable to the GL7500, please refer to document [3]
AirPrime HL7588 AT Commands Interface Guide; for more information about AT commands
applicable to the GL7600, refer to the commands marked as supported by HL7692 in document [4]
AirPrime HL76xx AT Commands Interface Guide.
If the GL7x00 is not registered on the network, perform the following procedures:
•
Check the connection between the GL7x00 and the antenna.
•
Verify the signal strength to determine the received signal strength (refer to section 4.3 Verify
the Received Signal Strength for more information).
4.5.
Main AT Commands for the GL7x00
The table below lists the main AT commands required for starting the GL7x00.
Table 21.
Main AT Commands for the GL7x00
Description
AT Commands
Response
Notes
Enter PIN code
AT+CPIN=”xxxx”
(xxxx = PIN code)
OK
PIN Code is accepted.
+CME ERROR: 16
Incorrect PIN Code
(with
+CMEE = 1
mode)*
+CME ERROR: 3
PIN code has already been entered
(with
+CMEE = 1
mode)*
Network registration
checking
AT+CREG?
+CREG: 0,1
The GL7x00 is registered on the
network.
+CREG: 0,2
The GL7x00 is not registered on the
network, registration is being
attempted.
+CREG: 0,0
The GL7x00 is not registered on the
network, registration is not being
attempted.
Receiving an
incoming call
ATA
OK
Answer the call.
Initiate a call
ATD<phone number>;
(Do not forget the « ; » at
the end for « voice » call)
OK
Communications is established.
+CME ERROR: 11
PIN code was not entered (with
+CMEE = 1
mode).
+CME ERROR: 3
AOC credit is exceeded or
communications is already
established.
