BlackBerry 7100I 사용자 설명서

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2: Phone
About TTY
You can use text telephone (TTY) to make calls to, and 
receive calls from, other TTY devices. If you connect 
your BlackBerry® device to a TTY device, calls that you 
receive on your device are converted to text.
When TTY is enabled, an indicator appears in the 
device status section of the screen.
Note:
The TTY option is only available on some BlackBerry® 
devices. Contact your service provider for more 
information.
Set the TTY option
In the phone options, click TTY. Set the TTY Mode 
field. Click the trackwheel. Click Save.
Related topics
About telecoil mode
In telecoil mode, the magnetic signal of the 
BlackBerry® device is modified to an appropriate level 
and frequency response to be picked up by hearing 
aids that are equipped with telecoils.
When telecoil mode is turned on, an indicator (H-T) 
appears in the device status section of the screen.
Turn on telecoil mode
In the phone options, click Hearing Aid Mode. Set the 
Mode Enabled field to Telecoil. Click the trackwheel. 
Click Save.
Related topic
About default call volume
You can specify a default volume level that is used for 
all calls, even if you adjusted the volume during a 
previous call.
Set the default call volume
In the phone options, click General Options. Set the 
Default Call Volume field. Click the trackwheel. Click 
Save.
Related topic
Reset call timers
1. In the phone, click the trackwheel.
2. Click Status.
3. Click Last Call or Total Calls.
4. Click Clear Timer.
5. Click the trackwheel.
6. Click Save.
Phone shortcuts
To open the phone, press the Send key.
To end a call, press the End key.
To call a selected contact or phone number, press the 
Send key.
To call a speed dial number, hold the assigned key.
To add an extension to a phone number, press the X 
key. Type the extension number.
To call your voice mail access number, hold 1.
To type a letter in a number field, hold the Alt key. To 
type the first letter on a key, press the letter key once. 
To type the second letter on a key, press the letter key 
twice. 
To turn mute on and off during a call, press the 
exclamation point (!) key.