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DTMF Tones
Set the length of DTMF (Dual Tone Multiple Frequency) tones that
your phone sends. DTMF tones are used as input by some
automated call systems.
1.
From a Home screen, touch
Menu
➔
Settings
➔
Call
settings
➔
DTMF tones
.
2.
Touch
Normal
or
Long
.
TTY Mode
When enabled, TTY Mode allows your phone to work with a TTY
device attached to the Headset Jack. Before using your phone
with a TTY device, you’ll need to enable TTY Mode.
1.
From a Home screen, touch
Menu
➔
Settings
➔
Call
settings
➔
TTY mode
.
2.
Touch
TTY Off
,
TTY Full
,
TTY HCO
, or
TTY VCO
.
Call Restrictions
You can restrict both incoming and outgoing calls.
1.
From a Home screen, touch
Menu
➔
Settings
➔
Call
settings
➔
Call Restrictions
.
2.
From the
Incoming
field tap
Allow All
,
Allow Contacts
, or
Allow None
.
3.
From the
Outgoing
field tap
Allow All
,
Allow Contacts
, or
Allow None
.
Voice privacy
When enabled, Voice privacy encrypts your voice calls for
enhanced privacy.
1.
From a Home screen, touch
Menu
➔
Settings
➔
Call
settings
.
2.
Touch
Voice privacy
to enable or disable voice privacy.
When enabled, a check mark displays in the check box.
i500.book Page 116 Friday, October 7, 2011 11:20 AM