AASTRA DT4x2 for MD Evolution User Guide EN - Manual (Page 50)

During Calls
MD Evolution – Cordless DT412 / DT422 / DT432 50
Mute Microphone
To mute the microphone during an ongoing conversation:
Press the Mute key at the right side of the phone to turn the
microphone off.
The microphone is disconnected and the caller will not hear an
ongoing conversation or environmental noises. The text
Muted
is
shown in the display when the microphone is off during a call.
Press the Mute key again to turn the microphone on.
Note: It is advised to use this feature instead of putting a
call on hold. A call on hold may be diverted to your operator,
directly or after some time.
Call Waiting
If you hear the Call Waiting tone during an ongoing conversation,
another person is trying to contact you.
To terminate the ongoing call and answer the waiting call: æ
Press to finish the ongoing call.
The waiting call is signalled on your phone. æ
Press to answer the new call.
Transfer and Inquiry
You have an ongoing internal or external conversation and you
want to transfer an ongoing call:
R Press (see display).
The first call is put on hold. Dial tone. å
Call the third party.
When the third party answers, you can switch between the calls,
create a Conference, and end one of the calls.
Create a Conference, and end one of the calls.