274• TTY mode: allows you to configure the TTY settings. For moreinformation, refer to “TTY Mode” on page 274.• Hearing aids: allows you to enable/disable hearing aidcompatibility. For more information, refer to “HAC Mode” onpage 275.• Accounts: allows you to add SIP accounts and receiveincoming calls from those type of accounts.• Use Internet calling: allows you to configure the incoming calland SIP account information.Configuring Call Forwarding1. Press and then tap (Phone).2. Press and then tap Call settings ➔ Call forwarding➔ Voice call.3. Tap an available option:• Always forward: incoming calls are re-routed to a secondarynumber that you specify.• Forward when busy: forwards all your calls to voicemail whenyour phone is busy.• Forward when unanswered: automatically forwards to yourvoicemail number when the phone is not answered, andotherwise allows you to enter a voicemail number.• Forward when unreachable: automatically forwards to yourvoicemail number when the phone is not in service, or is turnedoff.TTY ModeA TTY (also known as a TDD or Text Telephone) is atelecommunications device that allows people who are deaf,hard of hearing, or who have speech or language disabilities,to communicate by telephone.Your phone is compatible with select TTY devices. Pleasecheck with the manufacturer of your TTY device to ensurethat it is compatible with digital cell phones.Your phone and TTY device will connect via a special cablethat plugs into your phone’s headset jack. If this cable wasnot provided with your TTY device, contact your TTY devicemanufacturer to purchase the connector cable.1. Press and then tap (Phone).2. Press and then tap Call settings ➔ TTY mode.3. Tap TTY Full, TTY HCO, or TTY VCO to activate thefeature, or TTY Off to deactivate the feature. Off is thedefault setting.