Kyocera QCP 6035 Reference Manual page 284

Select Network to adjust service features, such as roaming, privacy, and
Network
data calls.
Put the phone in one of the following states for receiving calls:
Digital or Analog
Select Automatic to allow calls in both home and roaming areas. Select
Roam Option
No roaming to allow home calls only.
Turn on or off alert tones that signal a change in service.
Roam/Service Alert
Indicate whether you want to hear an alert tone when you lose or gain
Privacy Alert
enhanced voice privacy.
Due to infrastructure (network) limitations, there may be times when
Data/Fax Calls In
your phone cannot determine if an incoming call contains voice or
data/fax information. Use this menu item to set the phone to receive
data or fax calls.
Automatic
Analog only
Analog call
Digital only
Disabled: No alert tones
When no service: When service is lost, you hear three tones
decreasing in intensity. When service is reacquired, you hear three
similar tones increasing in intensity.
On roam change: You hear two tones decreasing in intensity when
the phone is roaming. You hear three tones increasing in intensity
when the phone returns to home service.
On any change: You hear tones to indicate loss of service, change of
service, acquisition of home service, or acquisition of roaming
service.
Disabled: You do not hear a tone. A text alert messages appears.
Enabled: You hear a tone and see a text message.
Voice only: The Kyocera smartphone treats all calls as voice calls.
Fax, next call: The phone treats the next incoming call as a fax.
Data, next call: The phone treats the next incoming call as a data call.
Fax, until off: The phone treats all incoming calls as fax calls until the
phone is turned off.
Data, until off: The phone treats all incoming calls as data calls until
the phone is turned off.