• An optional doorphone/door opener card and doorphones are necessary for this feature.• If you do not answer an incoming doorphone call within 15 or 30 seconds, the call will becancelled.• You must program the extensions which can receive calls from each doorphone for the day,night and lunch modes.• Any extension user can call a doorphone.• The Call Waiting feature is not available with doorphone calls.• Doorphone 1 and Doorphone 2 cannot receive calls simultaneously. When one is in use, anextension user cannot have a conversation with the other. This is the same for Doorphone 3and Doorphone 4.• Doorphones can also be used for the Room Monitor feature.• 1.7 Useful Features, “Room Monitor”• See the Installation Manual, Section 3, “Doorphone Call”.1.7 Useful FeaturesOperations 1-83Advanced Operations+Doorphone CallAllows you to have a conversation with a visitor at your doorphone.Up to 4 doorphones can be connected to the system.Calling an extension from a doorphoneAny DoorphoneWait for an answer and talk.Press the Doorphone button for 1 second.Any TelephoneLift the handset or press SP-PHONE.When you hear the doorphone ring tone at the extension:Answering a doorphone callCalling a doorphoneAny TelephoneEnter a doorphone number(1 through 4).Dial 31.doorphone no.3 1Lift the handset or pressSP-PHONE.Confirmation tone Talk.!!