Using Phone Features 39
The following are some of the optional phone services that you may find on your phone. For more information about customizing settings of phone services, see Help on your phone.
GSM/UMTS Services | Usage |
Call Barring | Allows you to block incoming or outgoing calls. |
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Caller ID | Allows you to set caller ID options. |
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Call Waiting | Enable and disable call waiting. |
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Band | Allows you to set your network type and GSM/UMTS band. |
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Voice Mail and Text | Has your text messages service center and voice mail numbers. |
Messages |
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PIN/PIN2 | Sets the PIN number to be required when the phone is being used, and enables you to |
| change the SIM card’s PIN2 code. |
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Location Setting | Allow the mobile phone network to detect your current location via your phone’s |
| chip. This is especially useful in times of emergency. |
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TTY Mode | Allow the use of a TTY (teletypewriter) device with the phone for users who are visually or |
| hearing impaired. |
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Time Synchronization | Choose whether or not to sync the time on your phone with the mobile network. |
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2.10 Turning the Phone Function On and Off
In many countries, you are required by law to turn off the phone while on board an aircraft.
To enable or disable the phone function
1.Tap Start > Settings, and then tap Communications.
2.Tap the OFF/ON slider at the right side of the Phone option to enable or disable the phone function.
To enable or disable Airplane Mode
Another way to turn off the phone function is to switch your phone to Airplane Mode. When you enable Airplane Mode, all wireless radios on your phone are turned off, including the phone function, Bluetooth, and
1.Tap Start > Settings, and then tap Communications
2.Tap Airplane Mode to enable or disable Airplane Mode.
When you disable Airplane Mode, the phone function is turned back on and the previous state of Bluetooth and