Toshiba CTX IPT/DKT - Manual (Page 75)

Advanced Operation
Echo Cancellation
Strata CIX and CTX IPT/DKT Telephone 08/07
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To call/monitor a door phone
1. With the handset off-hook, press an extension button. You hear dial tone and the
LED flashes green (in-use).
2. Press
#15
(hear three tone bursts), then enter the door phone number (01~24,
depending on system size). A two-way talk-path exists between your telephone
and the door phone. The door phone will not ring. You can audibly monitor the
area around the door phone.
To call from a door phone
1. Press the door phone button and then release it. You hear a distinctive ringing
tone–one or five times (set in system programming).
2. When answered, speak at a normal voice level in the direction of the door phone.
Echo Cancellation
If you hear echo on your IP telephone, tap either
Vol
or
Vol
once to cancel
the echo.
Emergency Call
To make an emergency call, dial
911
.
Emergency Monitoring Station
Your system may have one digital telephone assigned as an emergency monitoring
station. If your telephone has this assignment, your line LED will flash green when
someone makes a
911
call. When you answer the call, you can listen in and
participate in the conversation. See your System Administrator for more information
on this feature.