Digital Doorphone Operation - Iwatsu ADIX VS Owner's Manual

To return to the first call:
Repeat the same procedure

Digital Doorphone Operation

Digital Doorphones provide an economical and simple method to allow
visitors to make an intercom call to gain entrance to your building.
Operation
To place a call from a Digital Doorphone:
Press and release the button on the Digital Doorphone, you
will hear a ringing tone and the lamp on the button will
change from red to green
Wait for an answer
Announce yourself
To call a Digital Doorphone:
Lift the receiver
Dial the assigned extension number
Or
Press the DSS button assigned for the desired Digital
Doorphone
Make an announcement
Digital Telephone User's Guide - 52