AASTRA 4187 Plus for BusinessPhone User Guide EN - Manual (Page 30)

During Calls
BusinessPhone – Dialog 4187 Plus 30
Transfer
You have an ongoing internal or external conversation and you
want to transfer the ongoing call. ¸
Press.
z
Call the third party.
You can transfer the call before answer or wait for answer.
Note: Please read the notes and warnings in section
“ Useful Hints ” on page 90. d
Replace the handset.
The call is transferred.
Transfer to a busy extension
You can even transfer calls to busy extensions. The other party will
hear a Call Waiting tone, 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 telephone will ring again.