Voice line 1 and 2:
The voice number or numbers issued with your SIM card that you use for normal voice calls. If you have line 2 (alternate line service) enter in the Voice Line 2 number field.
Data:
The number used to make a data call to the GC89 (Mobile Terminated).
Fax:
Fax is not supported by the GC89.
SMS Service Centre
When you send a text message it goes to your operator's service centre. They then forward it to the correct recipient. The SMS service centre is identified by a telephone number.
Note:
The SMS Service Centre number is normally read automatically from your SIM card.
To Set or change the service centre address:
1.Enter your operator's service centre phone number in the Number text box.
2.Click Apply to transfer the setting to your GC89.
Locks
Phone lock
The phone lock protects the GC89 against unauthorized use if it is stolen and used with another SIM card. Phone Lock is not activated when you buy the GC89.
You can use this screen to change a default phone lock security code (0000) to any four to eight digit personalized code.
You can set the Phone Lock Status to one of the following states:
•On - A brief message Phone lock is displayed each time you turn on the computer. The Enter phone lock code dialog opens. Enter your code into the dialog and click OK.
•Off - The GC89 is not locked.
•Automatic - If the Automatic setting is selected, the message Phone lock only appears when a different SIM card is inserted into the GC89. After the security code has been entered correctly, the GC89 can be used with the new SIM card.
Note:
The Phone Lock code has four to eight digits and is shown as asterisks upon entry in the dialog.
To Change the Phone Lock code:
1. Click 
Change Phone Code | . |
2.The Change the Phone Lock Code dialog opens. Make the required changes and click OK.
3.Click Apply when you have finished, to transfer the changes back to your GC89. This may take a few seconds.
64 | Wireless Manager Telephony Settings Screen |