Avaya one-X 1603SW - Manual (Page 13)

Chapter 3: Making calls
Use the procedures in this chapter to make calls from your telephone.
Making a call
If you are not on a call, simply dial the number you want to call.
1. Lift the handset, press the Speaker button, or press an available call/ line
appearance button.
2. Dial the number you want to call.
Redialing a number
Press the Redial button to call the last number dialed.
Avaya 1603/1603SW/1603-I/1603SW-I IP Deskphone User Guide February 2010 13