Avaya 1200 - Manual (Page 156)

Configuring custom settings
156
Using the relay option
You can use your IP Deskphone to activate external devices that are
connected to the IP Office server through a relay connection. For
example, you can use your IP Deskphone to activate a door release
system.
The controls on your IP Deskphone allow you to close the relay switch the
to activate the device; in this case, the device remains active until you
open the relay switch to turn it off. Alternately, you can use relay pulse to
activate the device for a 5 seconds.
To close the switch and activate a relay connection:
Feature 1. Press the Feature soft key.
Rely+
2. Press the Rely+ soft key.
The screen displays Relay On?
Yes
3. Press the Yes soft key.
The screen displays the prompt Enter
relay port
.
4. Enter the number of the relay port that
you want to activate: the options are 1 or
2.