18 Cat B25 Phone User Manual
12.2 Network Settings
12.2.1 Network selection
For the Selection Mode, you can switch between Manual and Automatic.
User could choose SIM 1 network or SIM 2 network for setting. (Only if dual SIM device)
12.2.2 Preferred networks
Select the favorite network operator, the one displayed in default status is the local network
current used in SIM card. Click options to access the following operations:
Add from list: To display all PLMN list, approx 223.
New: To add networks and priority of use.
Change priority: To set the priority of network.
Delete: Delete the favorite network used currently.
Note:
The network operator may decide whether to provide this service.
12.3 Security setup
The settings of the security options of your phone will protect your device or SIM card from
unauthorised use.
12.3.1 SIM security setup
12.3.2 SIM lock
To turn SIM lock on or off.
12.3.3 Fixed dial
If supported by your SIM card, you can define select telephone numbers to dial. If this
service is activated, you can only dial the telephone number in the FDN list or the number
started with some numbers in front of the telephone number in the list.
Access the “Fixed dial” submenu, and you can set the following items.
Mode: Enter the PIN2 code to switch on or off this service.
Fixed Dial List: Press Ok to enter the menu of the FDN list. Press Option to Edit or Delete the
number. If the list is empty, press Add to add phone numbers into the list.
Note:
The PIN2 code is required to switch on or off this service. Please contact your network supplier
for the code. After it is activated, the Phone Book displays the number in the list.
12.3.4 Barred dial
If supported by your SIM card, you can bar defined telephone numbers to dial. If this
service is activated, the phone will be barred to dial the number you have set.
Note:
The PIN2 code is required to switch on or off this service. Please contact your network supplier
for the code. In addition, the phone number you have set will not display in the Phone Book.
12.3.5 Change password
Password length for SIM must be between 4 and 8 numbers to successfully confirm the
password change successfully.
