Samsung SCH-I839, User Manual, Page: 63 / 187

Call functions
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• GPS lock : allows the phone to block the position location
function of your phone to prevent other people from locating
your position. Note that emergency centres can always
locate your position.
• Privacy alert : allows the phone to alert you when a person
is attempting to locate your position.
Emergency : you can set up a list of emergency numbers
which you can dial even when outgoing calls are restricted.
You can set numbers of up to 3 digits.
DTMF : you can change the DTMF tone settings. DTMF tones
are the tones that you hear when you press number keys.
DTMF tones allow you to communicate with computerised
telephone systems, such as telebanking services and auto
response systems.
•
Length : allows you to select the tone length. In digital
services, as most are, short DTMF tones will almost always
work.
• Register list : allows you to set up a list of DTMF tone code
numbers, such as account numbers or PINs. You can retrieve
them during a call to send to a system.
Air Time : shows you the air time measurement for your
voice call and data call. You can reset the timers except for
life time.
My Phone # : allows you to edit your phone number. This
setting doesn't affect the phone’s actual number.
CDMA Network
This menu provides you with options for CDMA network
services.
Call Forwarding : this service allows the phone to forward
incoming calls to a specified destination. You can set call
forwarding for the following conditions:
•
Busy : forwards calls when the phone line is engaged with
another call.