AASTRA 4187 Plus for BusinessPhone User Guide EN - Manual (Page 88)

Accessories
BusinessPhone – Dialog 4187 Plus 88
Accessories
This chapter describes optional features that can be used together
with your BusinessPhone telephone.
Headset
To install the headset, see section “ Installation ” on page 91. The
following headset functions are available:
Answer calls Í
Press the Headset key to answer.
П Н
Press to terminate a Headset call.
Make calls Í
Press the Headset key.
z
Dial the number.
П Н
Press to terminate the call.