AASTRA 4422 IP Office for MD Evolution User Guide - Manual (Page 10)

Introduction to Your Extension
MD Evolution – Dialog 4422 IP Office 10
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10 Loudspeaker Key
This key enables you to activate or deactivate your extension’s
loudspeaker and its amplified listening feature during an ongoing
call. Moreover, you are also required to press this key to validate
any dialling or programming that takes place on your extension.
See also the “ Operations for Incoming Calls ”, “ Operations for
Outgoing Calls ”, and the “ Physical Programming of Your Extension ”
sections. ì
11 Volume Control Keys
During a call, these two keys control the listening volume on your
loudspeaker or handset. When an incoming call is ringing, these
keys also control the ring volume for your extension. These also
serve as navigation keys when you are programming your extension
or consulting the call log file. See also the “ Operations during a
Call ”, “ Call List ” and “ Physical Programming of Your Extension ”
sections. í
12 “C” Key (Clear or Erase)
This key ends an incoming or outgoing call, or a current program-
ming function. See also the “ Operations for Incoming Calls ”,
“ Operations for Outgoing Calls ”, and the “ Physical Programming of
Your Extension ” sections. Í
13 Headset Key
Pressing this key toggles between the handset calling mode and
headset operation. There is a headset jack on the underside of your
extension. See also the “ Your Extension’s Accessories ” section.
14 Location of the Loudspeaker
For dialling without lifting the handset and speakerphone modes,
your extension is equipped with a loudspeaker. See also the
“ Operations for Outgoing Calls ”, and “ Operations during a Call ”
sections
15 Handset
Your extension features a speakerphone function.