Avaya 1200 - Manual (Page 158)

Configuring custom settings
158
Twinning
Twinning is a feature that allows you to have your calls ring on two
phones. You can twin your IP Deskphone with another internal phone, or
with an external phone. For example, you can twin your IP Deskphone
with a mobile phone. Your incoming calls will ring on both phones. You
can also make calls from either extension.
Twinning is available only if your system administrator has configured it
for your system.
To twin your phone:
Relay
2. Press the Relay soft key.
The screen displays Relay Pulse?
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.
Done
5. Press the Done soft key.
The screen display a confirmation
message: Relay Pulse: Port<#>.
Feature
1. Press the Feature soft key.