User guide

WA_DEV_GL6100_PTS_001 Rev 004 November 30, 2010 53
9. Using the GL6110 with Embedded
SIM
The GL6100 may be used with either Embedded SIM or an external SIM. This section discusses the
different maintenance options available when using the GL6100 with Embedded SIM.
9.1. Operation
Using a communication software such as HyperTerminal, enter AT+CPIN? to check if Embedded SIM
is working. Refer to the table below for the list of main response returned.
Table 36. AT+CPIN Main Response
AT+CPIN Response
Description
+CPIN: READY
Embedded SIM is working
If you can’t access the network, Embedded SIM might not be activated on the operator’s network.
9.2. Switching Between Embedded SIM and an
External SIM
Using a communication software such as HyperTerminal, enter AT+WHCNF to switch between using
Embedded SIM or an external SIM. Refer to the following table for the list of AT+WHCNF parameters
that can be used and their corresponding description.
Table 37. AT+WHCNF SIM Selection
AT+WMBS Command
Description
AT+WHCNF=4,0
To specify that an external SIM is preferred.
AT+WHCNF=4,1
To specify that only the external SIM will be used.
AT+WHCNF=4,2
To specify that only Embedded SIM will be used
Note: The GL6100 must be rebooted after the switch state update before changes are applied.