Blackberry 8900 User Guide - Page 31

User Guide TTY support 6. Press the Menu key. 7. Click Save. Note: When you calculate the default length for phone numbers, include your area code and local number, but do not include your country code or the National Direct Dialing prefix. Set options for dialing extensions 1. In the phone application, press the Menu key. 2. Click Options. 3. Click Smart Dialing. 4. In the Number field, type the main phone number for an organization. 5. In the Wait For field, set how long your 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 that operates at 45.45 bits per second, 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. 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 Depending on your wireless service provider, this feature might not be supported. 1. In the phone application, press the Menu key. 2. Click Options. 3. Click TTY. 4. Change 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, change the TTY Mode field to No. 29