Avaya one-X 1603SW - Manual (Page 22)

whose call appearance you are using. If you have any questions about how the name or
extension displays to the person you are calling, contact your system administrator.
1. Press the call/line appearance button associated with the bridged call appearance.
2. Dial the telephone number.
Bridged call appearances
22 Avaya 1603/1603SW/1603-I/1603SW-I IP Deskphone User Guide February 2010