NEC Electra Elite IPK II System - Page 515

Electra Elite IPK II Document Revision 4C
Headset Operation 2 - 491
To use the headset:

The Headset key lights when on a call. To disconnect, press the Headset key again.
 You can still use the handset for calls or respond to voice-announced Intercom calls with the headset
plugged in. The headset only activates when the Headset key is pressed.
 Answer a ringing call by pressing the Headset key.
- OR -
 Press the Headset key and then a line key or press Speaker then 9 to make a outgoing call.
- OR -
 Press the Headset key to get intercom dial tone.
- OR -
 If on a call, press the Headset key to hang up.