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56 Chapter 4 : Phone
Use This Dialing Prefix: Enter the prefix to be added at the beginning of
the dialed number. The combination of prefix and digits you enter
must add up to a complete phone number.
5 Ta p Done.
Example: A complete phone number in your company’s phone system has
11 numbers, for example, 1-408-555-1122. When dialing from a phone that’s
part of the system, you need to dial only the last five digits (51122). When
you create a dialing shortcut on your phone, you select “5 digit numbers” for
When I Dial and enter “140855” in Use This Dialing Prefix. So when you
dial your co-worker’s five-digit extension (51122), your phone automatically
dials the whole number: 1-408-555-1122.
Set roaming preferences
Use roaming preferences to set specific options for using your phone while
roaming. For example, you can set options to prevent placing a call or
making a data connection while roaming, so that you avoid extra charges.
1 Open Phone .
2 Open the application menu and tap Preferences.
3 Under Network, set any of the following:
Allow voice roaming: Set whether to allow phone calls when you are
roaming.
Data roaming: Set whether to allow web browsing, email, and text and
multimedia messaging when you are roaming.
Enable TTY/TDD
A TTY (also known as TDD or text telephone) is a telecommunications
device that allows people who are deaf or hard of hearing, or who have
speech or language disabilities, to communicate by telephone. Your phone
is compatible with select TTY devices.
You can connect a TTY/TDD machine to your phone using the headset
jack. Check with the manufacturer of your TTY device for connectivity
information. Be sure that the TTY device supports digital wireless
transmission.
NOTE When TTY is enabled, you cannot use the headset jack for anything
else, and all audio modes are disabled on your phone, including holding the
phone up to your ear and listening.
1 Connect a TTY/TDD device to your phone using the headset jack.
2 Open Phone .
3 Open the application menu and tap Preferences.
4 In TTY/TDD, tap Off to switch TTY/TDD from Off to On.