Alcatel 980A Other call settings, TTY mode, Dtmf Tones, GSM call settings, Cdma call settings

11.2.3Other call settings

TTY mode

TTY mode can be used by people who are deaf, have bad hearing or speech impairments.

After connecting the cell phone and TTY machine it connects to a relay service, which converts incoming speech to text for the person using the TTY and converts outgoing text from the TTY machine to a spoken voice for the person on the other end of the conversation.

DTMF Tones

Set the length of DTMF tones.

GSM call settings

Additional GSM only call settings.

CDMA call settings

Additional CDMA only call settings.

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