How to Sign-In/Out of a Multi-Line Avaya IP Phone
Below are the steps to sign-in/out of a multi-line Avaya IP phone.
1. Press the Avaya button

2. Click the down button several times until you see “Log Out”

3. Select “OK"

4. Select "Yes" using the button indicated below

5. Enter username and select "Enter" & enter password and select "Enter"

You should now be signed into your IP phone. It may take a few seconds for bridged lines to appear.