2N LiftNet, User Manual

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Function Description (for Advanced Users) 4.4
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checking, and automatic failure report ). The checking calls are served fully
automatically. The alarm calls are transferred to the operator, who uses the above
mentioned commands in this case too.
Survey of Messages
English Meaning
Attention, the call is ending. Call end warning
We apologise; your call has
to be terminated. Call interrupted by a higher-priority request
Wait please. During connection establishing
This is communicator
number....... Identification (if pre-programmed ), The option to
play back user-recorded messages (including, e.g.
the lift address) is under preparation.
Checking call Identification of a checking call
Rescue has been done. Confirmation of emergency signalling end
More audio units are waiting
for connection. Announcement of an emergency status in
(an)other lift(s)
Call End (Outgoing / Incoming Calls)
A call is terminated (line hang-up occurs) if any of the following cases happens:

The busy or continuous tone has been detected*) (call end on PBXs).

Timeout for call confirmation expired (see parameter 913 setting)

The pre-programmed maximum call duration has elapsed – the “Attention,
the call is ending” message is played back 10 seconds before the call end, the
call can be prolonged.

The character , or has been received.

The timeout expired during programming.

A higher-priority call request.
*) The communicator is able to detect the continuous, busy and ringing tones even
if the tone has two frequency components, which is the case of Great Britain,
USA (so-called BTT tone) and Canada. To set the dual tone characteristics, set
parameters 946 and 947.
Use of Switches
Every machine room audio unit is equipped with a switch, which enables to block the
lift function in case LN fails to call for help in the event of:

telephone line failure;

power outage and back-up battery discharge.