Samsung SPH-M390 User Manual Ver.fg2_f2 (English(north America)) - Page 98
Caution! 911 Emergency Calling
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TTY Options A TTY (also known as a TDD or Text Telephone) is a telecommunications 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. Please check with the manufacturer of your TTY device to ensure that it is compatible with digital cell phones. Your phone and TTY device will connect via a special cable that plugs into your phone's headset jack. If this cable was not provided with your TTY device, contact your TTY device manufacturer to purchase the connector cable. Before using your phone with a TTY device, configure TTY options. Note: Enabling TTY Options may affect the performance of headsets and other non-TTY equipment plugged into your phone's headset jack. 1. From the Main screen, press the MENU/OK Key ➔ Tools+Settings ➔ Settings ➔ Others ➔ TTY Options. 2. Use the Navigation Key to highlight items, then press the MENU/OK Key to select: • TTY Full 94 • TTY + Talk • TTY + Hear • TTY Off To access the state Telecommunications Relay Service (TRS) for assistance with TTY calls: Ⅲ Dial 711, then press the TALK Key and press to reach an operator. Caution! 911 Emergency Calling - it is recommended that TTY users make emergency calls by other means, including Telecommunications Relay Services (TRS), analog cellular, and land line communications. Wireless TTY calls to 911 may be corrupted when received by public safety answering points (PSAPs), rendering some communications unintelligible. The problem encountered appears related to software used by PSAPs. This matter has been brought to the attention of the FCC, and the wireless industry and the PSAP community are currently working to resolve this.