Aastra 6757i User Manual page 6

The Aastra 6757i VoIP Telephone
Ring Screen
Activity Indicator
Ring Indicator & Call Display
Will flash during incoming call.
Displays information about caller.
Answer
Accept incoming call to your extension.
Ignore
Ignores incoming call and puts extension
back to idle. Call will continue to ring on
other extensions.
* On-screen controls are customizable so yours may vary.