Operation Manual

Chapter 4 — Use the Phone
48
About the Phone
Phone features on the computer include a speaker and a microphone.
You can also use a Bluetooth headset or hands-free kit. The phone
feature is enabled by default.
The WWAN radio in your computer determines the supported network
types:
After you turn on the phone and activate service with your wireless
carrier, you can customize the phone features and network settings in
the Wireless & Networks section of the Settings app.
Activate the UMTS Phone
Activating the UMTS phone (WWAN-versions) on your CT50 -Ex is
done the same way whether your computer has the UMTS/HSPA
+WAN radio.
You use a SIM card to activate the UMTS phone on the CT50 -Ex. You
can purchase the SIM card from your network provider.
Do not open the device inside the ex-hazardous area.
1 Power off the computer.
2 Disconnect the handstrap from the bottom of the computer.
3 Press and slide the battery door toward the bottom of the computer
to unlock the door.
4 Lift up on the edge of the battery and remove it from the computer.
Note: Both WWAN radios support Network Information and Time Zone
(NITZ) messages to automatically set the system time.