IP Phone Models
41-001160-00, Release 2.1, Rev 04 1-9
Overview
Overview
• Inline power support (based on 802.3af standard) which eliminates power
adapters.
• AC power adapter (included)
• Enhanced busy lamp fields*
• Set paging*
*Availability of feature dependant on your phone system or service provider.
55i Key Descriptions*
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 55i IP phone
supports up to 4 line keys.