Siemens HiPath 500 Operating Instructions Manual page 44

Calling Multiple Parties Simultaneously
Step by Step
>
Transfer?
44
or
:
Select and confirm
If the connection between the two other parties is
not established within 45 seconds, the call from
the first party returns to you (recall).
[1] "Different Displays in a HiPath 4000 Environment (Not in
HiPath 500)"
1
.
page 118