HTC TC U250, HTC EVO Shift 4G 218 3B. Web and Data Services, When is my data connection active?

If you are on a voice call, you will not be able to establish a 3G data connection.

With DDTM on (configured in Call settings):

You cannot use voice and data services simultaneously. If you receive a call while data service is active, your device will forward the call to voicemail. You can place an outgoing call at any time, but it will interrupt any in-progress data session. Your device will not automatically resume an interrupted data session.

With DDTM off or on:

You can make or receive a voice call while you are connected to the 4G data network. Incoming calls will not disrupt or suspend your data connection.

When is my data connection active?

Your connection is active when data is being transferred. Outgoing calls are allowed; incoming calls go directly to voicemail. When active, the or indicator animates on your device’s display screen.

When is my data connection dormant?

If your device receives no data for ten seconds, the connection goes dormant. When the connection is dormant, you can make and receive voice calls. (The

connection may become active again quickly.) If your device receives no data for an extended period of time, the connection will terminate.

Can I sign out of data services?

You can sign out without turning off your device; however, you will not be able to browse the Web or use other data services (unless you establish a Wi-Fi connection.) While signed out, you can still place or receive phone calls, check voicemail, and use other voice services. You may sign in again at any time. To sign out, go to Settings > Wireless & networks and clear the Mobile network check box.

218 3B. Web and Data Services