AASTRA DT4x2 for MD Evolution User Guide EN - Manual (Page 51)

51 MD Evolution – Cordless DT412 / DT422 / DT432
During Calls
Note: Make sure that you are connected to the desired party.
Please read the notes and warnings in section “ Useful Hints ”
on page 119. æ
Press to transfer the call.
Or:
R +
1
Press to return to the first call.
Transfer to a busy extension
You can even transfer calls to busy extensions. The other party will
hear a muted signal (Camp-on), and the call will be extended, as
soon as the ongoing call is terminated (if Camp-on is allowed).
Callback
You are called back, if you have transferred an external call and the
other extension has not answered the call within a certain time.
Your phone will ring again.
During an ongoing conversation you want to make an inquiry to an
internal or external party:
R Press to put the current call on hold.
You hear the dial tone and R is displayed. å
Enter the number of the third party.
When the third party answers, you can switch between the calls,
create a conference and end one of the calls.
Refer back
You can switch between the connected parties.
R +
2
Press to switch between the calls.
R +
1
Press to terminate.
The ongoing call is terminated. The other call is connected.