Advanced Operation
Emergency Ringdown
40 Strata CTX DKT3000/2000-Series Telephone 05/02
To call/monitor a door phone
1. With the handset off-hook, press a extension. You hear dial tone and the LED
flashes green (in-use).
2. Press  + extension for the door location. A two-way talk-path exists between
your telephone and the called door phone. You can audibly moni tor 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
toneone or five times (set in system programming).
2. When answered, speak at a normal voice level in the direction of the door phone.
Emergency Ringdown
If a station remains off-hook for a programmable period, it can be automatically
treated as an Emergency Call and directed to an emergency destination. The station
may have partially dialed a number or have dialed no digits at all. Each station is
programmed with its specific emergency ringdown destination.
A station number or a group pilot number can be specified as an emergency ringdown
destination. In a private network, the station or pilot number must be in the same
network node. Remote emergency destination and door phones are not permitted.
Language Codes
This feature enables you to change the language sent from the Attendant Console or
from a PC. See your CTX System Administrator to find out if your telephone is
programmed with the ability to change languages.
To change the Language Display
Enter the Change Language access code + the Language Code (see below).
: English date format MM/DD (/YY)
: British English DD/MM (/YY)
: French DD/MM (/YY)