4.2 Control Centre Instructions

DTMF Control during Call

Tone dialling can be used for 2N® LiftIP control during calls as shown in the table below if Automatic dialling with confirmation is enabled. Commands 1 to 5 are arranged conveniently for typical use.

DTMF character

Function description

Confirm to 2N® LiftIP that the call was successful. 2N® LiftIP mutes the currently played announcement and sends its confirmation signal;

the call goes on until the call time limit is exhausted and any of the following commands can be used.

Play information on the communicator (parameter 979).

Extend the call – extend the call by 120 s (parameter 912). Can be used repeatedly.

or

Terminate the call.

The above table applies to Loud automatic dialling with confirmation.

List of 2N® LiftIP Announcements

Announcement

Meaning

“Please wait for connection”

The announcement is played to the lift user when the call is being set up (before confirmation).

“This is an emergency call, to confirm connection press 1The announcement is played to the control centre before call confirmation.

“Connection confirmed”

The announcement is played after call confirmation.

“This is communicator with ....”The announcement is played only if the control centre presses DTMF 3 after call confirmation. The communicator sends information on its product number or Id if available (parameter 974).

“Attention, the call will end the soon, to extended the call press 4"

The announcement signals during an outgoing/incoming call that the maximum call duration shall expire in 10 seconds.

“End of call”

The announcement is sent before hang-up.

“This is a checking call, to confirm connection press 1”The announcement is sent to the control centre only (if DTMF 1 confirmation is enabled).
The rescue process has been completed.Emergency signalling end confirmation

2N® LiftIP Identification

When the alarm call is confirmed, the control centre can press DTMF 3 to get the communicator serial number. The communicator Id is played if parameter 974 is completed. Relevant information can be obtained during an incoming call too (Press 9 for administration – Press 3 for information on this communicator).