Other Call Settings - Alcatel OT-980 Manual

11.2.3

Other 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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