83
13.16
13.16
13.16
13.16
13.16 C
C
C
C
CTM
TM
TM
TM
TM
Menu
Menu
Menu
Menu
Menu > Settings
Settings
Settings
Settings
Settings > tab right to Handset > CTM
Handset > CTM
Handset > CTM
Handset > CTM
Handset > CTM
CTM (Cellular Text Telephone Modem) is a text based communications protocol to offer
support to hearing and speech impaired people. Hearing or speech impaired persons can
communicate using a teletype (TTY) terminal connected to the mobile phone via a CTM
Modem. The TTY signals are sent alongside speech so it is possible to configure the system
to enable speaking and hearing as well as typing or receiving text to the TTY device. See
below:
CTM Mode
CTM Mode
CTM Mode
CTM Mode
CTM Mode
D e s c r i p t i o n
D e s c r i p t i o n
D e s c r i p t i o n
D e s c r i p t i o n
D e s c r i p t i o n
FFFFFu l l
u l l
u l l
u l l
u l l
Text entered on the terminal is sent to the other party. Received text from the
other party is displayed on the terminal.
T
TT
TTalk & R
alk & R
alk & R
alk & R
alk & Read
ead
ead
ead
ead
Received text is displayed on the terminal, Voice is relayed to the other party.
Write & Hear
Write & Hear
Write & Hear
Write & Hear
Write & Hear Text entered on the terminal is sent to the other party with incoming
speech heard from the other party.
O f f
O f f
O f f
O f f
O f f
All CTM is disabled, use the phone as normal.
TIPS
TIPS
TIPS
TIPS
TIPS
If you are using a TTY device make sure the baud rate is set to 45.45 bps.
When using a terminal with a CTM modem built in the handset must be CTM Off.
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Summary of Contents for New Zealand R90
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