palmOne Vision Smart Device Treo 650 User Manual page 251

The Treo Hangs Up When You Hold It to Your Ear
You may be pressing the onscreen Hang Up button with your cheek. Make sure
your face doesn't press against the screen. If this is uncomfortable, set the Disable
touchscreen when option on the Keyguard Preferences screen to turn on during
active calls (see "Auto-Keyguard and Touchscreen Lockout" on page 140).
The Treo Makes or Answers Calls When It's in a Briefcase or Pocket
Items in your briefcase or pocket may be pressing the onscreen Answer button, or
otherwise activating screen items. If this happens, be sure to press Power/End
to turn off the screen before placing it in your briefcase or pocket. You can also set
the Disable touchscreen when option on the Keyguard Preferences screen to
activate during incoming calls (see "Auto-Keyguard and Touchscreen Lockout" on
page 140).
Your Device Seems to Turn Off by Itself
If a system error and reset occurs and your device's phone was on before the reset,
then the phone automatically turns on after the reset. However, if the Treo can't
determine if your device's phone was on before the reset, it does not automatically
turn on the phone (see "Turning Your Device's Phone On and Off" on page 33).
You Can't Make or Receive Calls With a Handsfree Device With Bluetooth
Wireless Technology
Check all of the following:
The Bluetooth setting is turned on in the Bluetooth application.
Your device with Bluetooth wireless technology is charged and turned on.
Your Treo is within range (30 ft.) of the device with Bluetooth wireless
technology.
The Bluetooth application screen is closed.
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