Ericsson DT570 User Manual page 24

During Calls
YES
YES
24
Refer back
You can switch between the connected parties:
2
Switch between calls
1
Press to terminate
The ongoing call is terminated. The other call is connected.
Note: Sometimes YES (R-key) must be pressed twice.
Whether you can put internal calls on hold or transfer
calls to external lines depends on your PBX. Consult your
system administrator.
Transfer
You have an ongoing internal or external conversation and you
want to transfer the ongoing call.
Press to put the current call on hold
YES
Dial tone.
Call the third party
You can transfer the call before answer or wait for answer.
Note: Make sure, that you are connected to the desired
party. Please read section "Useful hints".
Press to transfer
NO
The call is transferred.
or
Press to pick up the call again
YES
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).
Call-back
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.
BusinessPhone - Portable Telephone DT570