Off-Hook Outgoing Call; Off-Hook Outside Line Queuing - Iwatsu ICON Series IX-5910 Owner's Manual

To cancel a message:
If you want to cancel a message you left at another extension:
Lift the receiver.
Wait for the dial tone.
Dial the Cancel code
Dial the Message code
Dial the extension number.
Wait for a confirmation tone.
Hang up.
To answer messages:
When the message lamp on your phone is flashing:
Lift the receiver.
Wait for the dial tone.
Dial the Message code
call the extension that left the message.
Or
Press the Message key on the telephone.

OFF-HOOK OUTGOING CALL

Operation
Lift the receiver and the ECS will automatically dial the
outside number.
SIP – Not Supported.

OFF-HOOK OUTSIDE LINE QUEUING

Operation
To wait for an outside line:
Stay on the line until you hear the dial tone.
SIP – Not Supported.
SIP & SINGLE LINE TELEPHONE USER GUIDE - 342
.
.
and the ECS will automatically