Toshiba DKT3210-SD User Guide - Page 75

Advanced Operation Echo Cancellation 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 the echo. or Vol once to cancel 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. Strata CIX and CTX IPT/DKT Telephone 08/07 57