Call guard, Data roam guard – HTC EVO 4G User Manual

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3A. Sprint Service: The Basics

Call Guard

Your device has two ways of alerting you when you are roaming off the Nationwide Sprint Network: the
onscreen roaming icon and Call Guard. Call Guard makes it easy to manage your roaming by requiring an
extra step before you can place or answer a roaming call. (This additional step is not required when you
make or receive calls while on the Nationwide Sprint Network.)

To turn Call Guard on or off:

1.

Press

>

> Settings > Wireless & networks > Mobile networks

.

2.

Select the

Call guard

check box to turn on Call Guard; clear the check box to turn off Call guard.

To place roaming calls with Call Guard on:

1.

On the Phone screen, dial 1 + area code + the seven-digit number and tap

.

2.

Select

Roam Call

.

To answer incoming roaming calls with Call Guard on:

Tap

Answer

. (A message will be displayed notifying you that roaming charges will apply.)

Data Roam Guard

Depending on service availability and roaming agreements, your device may be able to access data
services while roaming on certain digital systems. You can set your device to alert you when you are
roaming off the Nationwide Sprint Network and try to use data services such as messaging.

To set your Data Roam Guard notification:

1.

Press

>

> Settings > Wireless & networks > Mobile networks

.

2.

Tap

Data Roam Guard

.

Default

enables data roaming internationally. The Data Roam Guard may display a confirmation

message and alert.

Always ask

sets your device’s Data Roam Guard feature on. You will see a prompt and will be required

to respond anytime you access data services while roaming.

Never ask

turns your device’s Data Roam Guard feature off. You will not be notified of your roaming

status when accessing data services.

To use data services when Data Roam Guard is active:

When a pop-up notification appears informing you that data roam charges may apply, tap

Roam

to

connect.

Note: Your device’s Call Guard is turned off by default.

Voice dialing and speed dialing are not available when you are roaming with Call Guard enabled.

Note: If the

Call Guard

check box is selected, you need to take extra steps to make and receive roaming calls.

Note: Your device’s

Data Roam Guard

is turned off by default.

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