8.5.11 Door Function - ASCOM Ascotel 2025 System Manual

8.5.11 Door Function

The door intercom systems provide the following functions:
• Door bell input
• Opening doors
• Dial door intercom
Door Bell
If a door bell or pushbutton with a similar function is connected to the system, its
signal can be assigned to any internal destination B, depending on the system
configuration.
Detailed Description
Tab. 2.275: Door bell
Inter- Operating sequence / signalling on the terminal Scope
face
B • When the door bell is activated the allocated
destination will ring with a special ringing
tone. The ringing time is limited to 20 sec-
onds.
• If B is busy, he will obtain call waiting except if
he himself is already in an enquiry call. "Call
waiting on exchange" and "Protect own set
against call waiting" are not taken into
account.
Door bell input:
• An internal subscriber can be allocated to the door bell input in each case for
Day, Night and Weekend.
• The dialled destination depends on the status of switching group 1.
Prefix Dialling Procedure
Call subscriber: via the door bell.
HBT_20321104_02/B0_en
ascom Ascotel 2025/2045/2065
Possible interfaces:
Subscribers: internal, PISN, UG
Restriction:
• If subscriber B has diverted to an external des-
tination, the connection to the door intercom
will be connected through.
• The connection created with the door inter-
com is limited to 5 minutes (forced discon-
nect) if the call partner (PISN or external) is
connected to the public network.
Features 2.409