General FeaturesFeatures Guide 109Doorphone CallDescriptionIf a visitor presses the doorphone button, pre-assigned extensions are rung. The extension whoanswers the call can talk to the visitor. It is possible for any extension user to call a doorphone.Conditions• It is necessary to install a Doorphone Card and a Doorphone. These are optional.• Two or four doorphones per one Doorphone Card can be installed. System Connection *1provides for maximum eight doorphones.• It is necessary to program the extensions that can receive calls from each doorphone duringday and night mode.• If no extension user answers an incoming doorphone call within 30 seconds (default), thecall stops ringing and is canceled. This ringing time can be changed to 15 seconds byprogram [820] Doorphone Ringing Time.• While engaged on a doorphone call, any extension user can open the door from thetelephone to let the visitor in (Door Opener). This requires a user-supplied door opener.• An access tone can be programmed not to be sent to the monitored doorphone before adoorphone call starts by program "[990] System Additional Information, Area 10 - Bit 11".• The ringer frequency (8 types) from the each doorphone call is programmable (DPT only)by program [818] Doorphone Tone Frequency Selection.• The following table shows how the System Connection provides doorphone and dooropener numbers depending on installing a Doorphone Card for the KX-TD1232.• Doorphone 1 and Doorphone 2 cannot establish conversations simultaneously. When oneis in use, an extension user cannot have a conversation with the other. This is the same forDoorphone 3 and Doorphone 4, Doorphone 5 and Doorphone 6, and Doorphone 7 andDoorphone 8.During a doorphone call between extension A and doorphone 1:• When calling doorphone 2 from extension B,— The extension B receives a busy tone.— The extension B cannot unlock a door by pressing "5".*1 Available for the KX-TD1232 only.Master systemDoorphone Card KX-TD1601, 2 1, 25, 6, 7, 8 5, 6, 7, 81, 2, 3, 41, 2, 3, 45, 6 5, 6KX-TD160 KX-TD161 KX-TD161KX-TD161KX-TD160KX-TD161KX-TD160Doorphone CardDoorphone & DoorOpener numberDoorphone & DoorOpener numberSlave system
