Ericsson DIALOG 4422 - Manual (Page 35)

35 Dialog 4422 IP Office
Outgoing Calls
Handsfree
(Dialog 4422 v. 2 phone only).
With the handset on hook: z
Dial the number.
You are connected via the loudspeaker and microphone.
í
Press to terminate a handsfree call.
Monitoring
(Dialog 4422 v. 1 phone only).
You can monitor the progress of an outgoing call.
With the handset on hook: z
Dial the number.
When the other party answers: u
Lift the handset.
í
Press to terminate a monitor call.