Transferring A Call To Another Extension - Iwatsu ADIX VS Owner's Manual

Operation
Lift the receiver and remain off hook on intercom for a
specific time period programmed in the system.
Or
Lift the receiver to make an intercom call. Begin dialing.
Between digits stop dialing for more than 10 seconds.
Note: If a user dials a valid trunk access or optimized routing
access code, this feature will not activate.
Or
Dial the E-Response Group access number when you hear the
Intercom Dial Tone.

Transferring a Call to Another Extension

Operation
When speaking on an outside line:
Press the Transfer button TRAN and the lamp will flash red
Wait for the dial tone
Dial the desired extension number
Or
Press the button representing the desired extension if assigned
as a Multipurpose button
Hang up or announce the call then hang up
If the call is not answered it will return to your phone.
Digital Telephone User's Guide - 49