S e c t i o n 2 – U s i n g a n E x t e n s i o n
11
Door Phones
The Door phone is designed to work with this telephone system only. It provides a two-way speech
link between any extension and the Door. The door phone has a call button for ‘ringing’ and a
permanently lit LED for easy location. Extension numbers 19 and 29 are reserved for the Door
Phones.
Call Door Phone 1
Door phone 1 is connected automatically after a brief alert tone.
Call Door Phone 2 (option)
Door phone 2 is connected automatically after a brief alert tone.
Answer a Door Phone call
Calls from the door phones will have a special ringing sound. The different rings are shown in your
Country specific specification sheet packed with this manual.
Open door while connected to door phone
While connected with the door phone dialling the open door code will activate the relay contacts for
the door phone you are connected to. This is usually to open an automatic door latch, if fitted.
Open door 1 latch
This will operate the first door latch relay at any time.
Open door 2 latch (option)
This will operate the second door latch relay at any time.
Both the extension calling and the Door Phone hear a single burst of tone before speech
can commence.
If no extension answers a door phone call within 70 seconds, the ringing will end.
Enquiry Call
This feature enables you to call another extension while the original party is on hold
Enquire at another extension
While on a call press recall, then dial the extension with which to enquire.
Return to original call
Press recall, you are connected to the original call.
Exchange Line Timed Break
The system has a function called Forward Recall. This allows you to operate telephone services on an
exchange line from an extension and allows you to connect the unit behind another telephone
system.
Flash Signal on External Line
Whilst on an existing call enter the code to send a recall to the exchange line.
Flash Transparent external call
Dialling 84 to seize a line, followed by the telephone number. Any press of the recall key on the
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on call with door phone
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on call
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ext.
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on enquiry call
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