Conditions• Hardware Requirement: A user-supplied door opener installed on each door.• A door opener can unlock a door even if no doorphone is installed.• Door Open DurationAn opened door will remain unlocked for a preprogrammed length of time.Installation Manual ReferencesKX-NCP500/KX-NCP10003.9.1 Connection of Doorphones, Door Openers, External Sensors, and External RelaysKX-TDE100/KX-TDE2003.9.1 Connection of Doorphones, Door Openers, External Sensors, and External RelaysKX-TDE6003.11.1 Connection of Doorphones, Door Openers, External Sensors, and External RelaysPC Programming Manual References4.5 [2-3] Timers & Counters—DISA / Door / Reminder / U. Conf— Doorphone—Open Duration4.9 [2-6-1] Numbering Plan—Main—Features— Door Open4.12 [2-7-1] Class of Service—COS Settings—Optional Device & Other Extensions— Door UnlockPT Programming Manual References[207] Door Unlock Time[512] Permission for Door Open AccessFeature Manual References3.1.23 COS (Class of Service)Operating Manual References1.3.21 Door Open4.1.12 Doorphone CallDescriptionA visitor can use a doorphone to call its preprogrammed destination. Extension users can call a doorphone.Conditions• Hardware Requirement:An optional doorphone, the OPB card and DPH card• Call DestinationThe destination of doorphone calls can be assigned to each doorphone port for each time mode. The TimeTable is determined by the tenant number assigned to each doorphone port. (® 17.1.5 Time Service)The following destinations cannot be the destination for doorphone calls:– Floating Extension no. for SVM98 Feature Manual Document Version 2013-054.1.12 Doorphone Call