Avaya 9640 User Manual
Page 2

Contents
Introduction to the 9640/9640G SIP IP Telephone.......................................7
Overview...........................................................................................................................7
Scrolling and Navigation...................................................................................................8
About Icons.......................................................................................................................9
Telephone Stand..............................................................................................................9
Setting the Phone Screen on calling......................................................................11
Setting the Phone Screen on ringing.....................................................................11
Configuring call timers............................................................................................11
Setting redial options..............................................................................................12
Configuring visual alerts.........................................................................................12
Setting the audio path............................................................................................12
Setting dialing options............................................................................................12
Personalizing button labels....................................................................................13
Adjusting the brightness of the display...................................................................13
Turning button click sounds on and off..................................................................14
Turning error tones on or off..................................................................................14
Changing the ring pattern.......................................................................................14
Changing the background logo..............................................................................14
Changing the skin..................................................................................................15
Integrating other applications.................................................................................15
Turning automatic gain control on or off.................................................................15
Changing the language..........................................................................................16
Setting the time format...........................................................................................16
Setting up speed dialing.........................................................................................16
Setting up favorites................................................................................................17
Sending an incoming call directly to voicemail.........................................18
Making an emergency call..............................................................................................18
Redialing a number.........................................................................................................18
Speed dialing a person...................................................................................................18
Autodialing a pre-assigned number................................................................................19
Making a call using edit dialing.......................................................................................19
Calling a person from the Contacts list...........................................................................19
Calling a person from the call log...................................................................................19
Contents
2 Avaya one-X™ Deskphone SIP for 9640/9640G IP Telephone User Guide