Contents
Contents | 
  | 
Notices  | 5  | 
Introduction to the 9640/9640G SIP IP Telephone | 7  | 
Overview  | 7  | 
Scrolling and Navigation  | 8  | 
About Icons  | 9  | 
Telephone Stand  | 9  | 
Avaya Menu | 10  | 
Options & Settings  | 10  | 
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  | 
Answering a Call  | 17  | 
Sending an incoming call directly to voicemail  | 18  | 
Ignoring an incoming call  | 18  | 
Making a Call  | 18  | 
Making an emergency call  | 18  | 
Redialing a number  | 18  | 
Speed dialing a person  | 18  | 
Autodialing a   | 19  | 
Making a call using edit dialing  | 19  | 
Calling a person from the Contacts list  | 19  | 
Calling a person from the call log  | 19  | 
Muting a Call  | 19  | 
Putting a Call on Hold  | 20  | 
Transferring a Call  | 20  | 
2 Avaya