Samsung SCH-R915ZKACRI - Manual (Page 101)

Settings 97
Auto retry
When enabled, your phone will automatically re-attempt a call
when it encounters a network busy signal.
1. From the Settings menu, touch Call settings.
2. Touch Auto retry to enable or disable automatic call retry.
When enabled, a check mark appears in the check box.
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 the Settings menu, touch 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 the Settings menu, touch Call settings ➔ TTY mode.
2. Touch TTY Off, TTY Full, TTY HCO (TTY + Hear), or
TTY VCO (TTY + Talk).
Call Restrictions
Call Restrictions lets you limit calls made with and to you phone
1. From the Settings menu, touch Call settings ➔
Call Restrictions.
2. Touch Incoming to choose to Allow All Incoming calls,
Allow Contacts Incoming calls only, or to Allow None.
3. Touch Outgoing to choose to Allow All Outgoing calls, Allow
Contacts Outgoing calls only, or to Allow None.
Voice privacy
When enabled, Voice privacy encrypts your voice calls for
enhanced privacy.
1. From the Settings menu, touch Call settings.
2. Touch Voice privacy to enable or disable voice privacy.
When enabled, a check mark appears in the check box.
Auto Answer
When enabled Auto Answer lets you set your phone to
automatically answer calls when you receive them or after a few
seconds delay.
1. From the Settings menu, touch Call settings.
2. Touch Auto Answer, then select Off, After 1 Second, After 3
Second, or After 5 Second.