Tty support, Multiple phone numbers, About tty support – Blackberry 9000 User Manual
Page 32: Prerequisites: tty support, Turn on tty support, About multiple phone numbers

5. Set how long the BlackBerry® device waits before dialing an extension.
6. In the Extension Length field, set the default length for extensions.
7. Press the Menu key.
8. Click Save.
TTY support
About TTY support
When you turn on TTY support and you connect your BlackBerry® device to a TTY device, you can make calls to and receive calls from TTY
devices. Your BlackBerry device is designed to convert received calls to text that you can read on your TTY device.
Prerequisites: TTY support
•
Depending on your wireless service provider, this feature might not be supported.
•
Verify that your TTY device operates at 45.45 bits per second.
•
Verify that you have inserted the TTY device connector into the headset jack on your BlackBerry® device. If your TTY device is designed
for use with a 2.5-mm headset jack, you must use an adapter accessory to connect your TTY device to your BlackBerry device. To get
an adapter accessory that Research In Motion has approved for use with your BlackBerry device, visit www.shopblackberry.com.
Turn on TTY support
1.
In the phone, press the Menu key.
2. Click Options.
3. Click TTY.
4. Set the TTY Mode field to Yes.
5. Press the Menu key.
6. Click Save.
A TTY indicator appears in the device status section of the screen.
To turn off TTY support, set the TTY Mode field to No.
Multiple phone numbers
About multiple phone numbers
You can have multiple phone numbers associated with your BlackBerry® device if one of the following situations applies:
•
Your wireless service provider has provided you with a SIM card that supports more than one phone number.
•
Your wireless service provider has provided you with a phone number, and your organization has provided you with a BlackBerry®
MVS Client phone number.
User Guide
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