2N Lift emergency phone 2N SingleTalk - Manual, 1514 v6.3.0 - Manual (Page 63)

Non-Stop Service Instructions for Use 4.2
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4.2 Non-Stop Service Instructions for Use
DTMF Control during the Call
Where Automatic dialing with confirmation is enabled, it is possible to use tone dialing
during the call to control the ST in accordance with the table below. For convenience,
commands 1 to 5 are arranged in the order they are usually used in.
DTMF CHAR FUNCTION DESCRIPTION
It is a confirmation notifying SingleTalk (hereinafter referred to as
ST) that the call was successful. ST mutes the message playback,
sends out the confirmation signal and the call continues until the end
of the timeout and the following commands can be used
Message playback muting. CAUTION: Now that the SW has been
changed, it is no more necessary for the call!
Repeated playback of the voice recording module for 1 message
repetition
or
Call prolongation: the call is prolonged up to 30 seconds after this
command in case it ended earlier. It can be used repeatedly.
or
Call termination.
ST sends identification but the connection is not confirmed.
Used for the LiftManager only.
to ,
These digits are interpreted as the switch control password beginning.
(Automatic dialling with confirmation)
Note
 When the message is being played back, it is impossible to speak into
the ST microphone! Hence, to talk with the person in the lift, the service
must always use function 2 (muting) or wait till the ST stops repeating
the message.
 The above-stated commands may not be accepted in case they are sent
during the message and the connection is of a poor quality. Therefore, the
ST inserts a 3-second pause between the repeated message, during which
the receiving of DTMF commands is absolutely undisturbed.
Switch Control
The switch (if available) can be used during outgoing and incoming calls. The switch
can be activated using a pre-defined password; the format is
password (the
maximum password length is 16 digits). The ST confirms the switch activation and