AASTRA 4422 IP Office (SIP) for MX-ONE User Guide - Manual (Page 29)

29 Dialog 4422 IP Office
Incoming Calls
Incoming Calls
Answer calls
A ring signal and a flashing lamp indicate an incoming call.
Note: If the feature Parallel Ringing is activated, the call will
ring on more than one phone, see section “ Parallel Ringing ”
on page 31 .
On Line/Hold
You will receive calls on Line/Hold. u
Lift the handset.
Handsfree Ц Ф
Line/Hold Press the flashing Line/Hold key.
Press to terminate a handsfree call.