92 Using the phone system
Final
Answer a Call
To answer a call while using the headset, press the Line Appearance key or
the ANSWER softkey.
End a Call
To end a call while using the headset, press the END softkey.
Mute
To mute the microphone, press and hold the control switch if it has one.
To make a call
To make a call while using the headset, press a Line Appearance key and dial
the number. line. You can also use dial, directory dial, and speed dial features.
See the section for making a call for your phone model in this guide.
Switching to the handset
To divert the operation back to the handset, the user can either
• Disconnect the headset from the phones jack or
• Use an external headset adapter box which has a dedicated headset/
handset switch.
Using a
Programmab
le Key
Module
A Programmable Key Module (PKM) provides additional memory keys to
those provided on your phone. The system supports the Mitel 5412 PKM
which provides an extra 12 additional memory keys and the Mitel 5448 PKM
which provides an additional 48 memory keys. If required you can have up to
two 5448 PKM units on one phone. To attach the PKM to a 5020/5220 or 5224
IP phone follow the instructions that are provided in the box.
To program the memory keys on the PKM, see the section “Program memory
keys on PKM” on page 102.
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