HTC TOUCH Pro2 User Manual download pdf (Page 78)

68 Section 2D. Using Phone Features

Phone Services

When you are using your device in the United States, you can configure CDMA (domestic) phone services

for your device.

To access and change settings for domestic phone services:

1. From the Home screen, slide to the Settings tab and then tap All Settings.

2. On the Personal tab, tap Phone > CDMA Services tab.

3. Tap the service you want to change, and then tap Get Settings.

4. Tap ok after changing settings.

The following are some of the services that you can configure for your device:

For more information about customizing settings of phone services, see Help on your device.

Service Usage

Location Setting Allows the network to detect your current location using your device’s built-in

GPS chip. This is especially useful in emergencies.

TTY Mode Allows the use of a TTY (teletypewriter) device with the phone for users who are

visually or hearing impaired. Choose one of the following modes, depending on

the operation mode that is supported by the TTY device:

䢇 Full mode: Send and receive text during an ongoing call.

䢇 VCO mode: Voice Carry Over mode, which allows users to send voice and

receive text during an ongoing call.

䢇 HCO mode: Hearing Carry Over mode, which allows users to send text and

receive voice during an ongoing call.

䢇 Off: Disable TTY mode, and send and receive voice during an ongoing call.

Roaming To better control roaming costs, you can set your device to roam only on certain

networks. The Data Roam Guard also helps you to manage your roaming costs.

For more information about roaming, see “Roaming” on page 137.

Time Synchronization Allows the system time on your device to be synchronized with the time

information of the mobile phone network.

Voicemail Allows you to delete voicemail messages and clear the voicemail icon if it

appears on the screen.

Roaming Alert Enables sound alerts on your device so that you can be notified when your

device enters or goes out of the network coverage area.

DDTM Mode By default, voice calls take precedence over data. If, for instance, you are

browsing the Web or streaming media, the data connection may be interrupted

when you have an incoming call. To avoid interrupting the data connection, you

can turn on DDTM Mode so that voice calls can be automatically sent to

voicemail and the data connection will not be interrupted.

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HTC TOUCH Pro2 User Manual Page 78