Avaya one-X Deskphone Value Edition 1608-I - Manual (Page 28)

Making an outgoing call on a shared line appearance
If you have any questions about how the name or extension displays to the person you are
calling when you make a call on a shared line appearance, contact your system administrator.
You can make only outside calls on shared line appearances.
1. Press the call/line button associated with the shared line appearance.
2. Dial the telephone number, or call the person from the contacts list, or call the person
from the call log.
Shared line appearances
28 Avaya 1608/1608-I IP Deskphone User Guide February 2010