68 Phone calls
GSM call settings
If you’re using the phone outside of the United States in a GSM coverage area,
you can set the following options:
TTY mode Enable TTY (Teletypewriter) support for your phone.
Caller ID Enable or disable Caller ID.
Call waiting Enable or disable Call waiting.
Cell broadcast Enable or disable receipt of cell broadcast messages
from your service provider.
Cell broadcast
settings
Configure channels and language for cell broadcast
messages.
CDMA call settings
If you’re using the phone within the United States, or outside of the United
States in a CDMA coverage area, you can set the following options:
TTY mode Enable TTY (Teletypewriter) support for your phone.
NBPCD Set the calling parameters for the current country, such
as country code and IDD prefix.
Voice Privacy Encrypts outgoing voice calls and uses secure channels
when available.
Assisted Dialing Assisted Dialing allows you to easily dial international
calls while roaming in another country. See “Using
Assisted Dialing” in this chapter for details.
Phone settings Edit the call reject message, choose whether to open
the message editor when you reject a call with a
message, and choose whether to allow automatic saving
of an unknown contact number when a call with that
number ends.