53i key description – Aastra Telecom Pro 160 User Manual
Page 183

Aastra IP Phone Model 53i
41-001134-05, Rev 00, Rel. 1.1
A-35
Aastra IP Phone Model Reference
53i Key Description
Keys
Key Description
Goodbye key - Ends an active call. The Goodbye key also exits an open list, such 
as the Options List, without saving changes. 
Options key - Accesses options to customize your phone. Your System 
Administrator may have already customized some of your settings. Check with 
your System Administrator before changing the administrator-only options. 
Hold key - Places an active call on hold. To retrieve a held call, press the call 
appearance button beside the light that is flashing.
Redial key - Redials up to 100 previously dialed numbers. Pressing the Redial 
key twice simultaneously redials the last dialed number.
Volume control key - Adjusts the volume for the handset, headset, ringer, and 
handsfree speaker.
Line/Call Appearance key - Connects you to a line or call. The Aastra 53i IP 
phone supports up to 3 line keys. 
Handsfree key - Activates Handsfree for making and receiving calls without lifting 
the handset. When the audio mode option is set, this key is used to switch 
between a headset and the handsfree speakerphone.
Mute key - Mutes the microphone so that your caller cannot hear you (the light 
indicator flashes when the microphone is on mute).
