5 Telecontrol and Two-Way Audio
CommPact Installation Manual
36
To make a Central Station TWA call:
1.
Call the Control System either using the double call method (PSTN) or directly (Cellular);
when the Control System picks up, two DTMF tones are sounded.
2.
Enter the Central Station TWA code (Code 30) on your telephone within 15 seconds.
Do not enter your user code until you hear the two DTMF tones. Any digits entered before
the tones are sounded are disregarded by the system.
3.
If the TWA mode is defined as "Simplex"(see p.70,
10.6.11 TWA Mode), the audio channel
opens in Listen mode (microphone active/speaker mute). To switch to Speak mode, press
"
1
" on your telephone. To switch back to Listen mode, press "
0
" on your telephone.
4.
The duration of the call is determined by the TC/VM Timeout -- see p. 70,
10.6.10
Telecontrol/Vocal Message Timeout. Ten seconds before the timeout expires, two short
DTMF tones are sounded. To extend the call, press "
7
" on your telephone. This command
restarts the timeout.
5.
To disconnect before the end of the timeout, press "
*
" then "
#
" on your telephone.
5.2. Outgoing
Calls
The CommPact Control System can make Two-Way Audio calls to the user or central station in the
event of an alarm. This feature is designed for medical, panic alarms, and for alarm verification.
5.2.1. Service
Call
The Service Call feature enables the user to establish a two-way audio connection with the central station
operator. For further information on how to program this feature, see p. 67 ,
10.5 Service Call.
To initiate a Service Call:
•
Press the up arrow key
press and hold Service Call key
for a few seconds.
The Control System starts to dial.
5.2.2.
TWA Alarm Reporting
In the event of Burglary, Fire and Medical alarms, the Control System is able to report the events
and then stay on the line after acknowledgment is received (ACK 2). This allows the operator to
verify the alarm or provide assistance in the event of an emergency.
For this feature to function, you must enable Two-Way Audio for both the account and the event
group.
The sequence for Two-Way Audio during alarm reporting is as follows:
1.
An alarm event is sent to the central station and acknowledgment is received (ACK 2).
2.
If Two-Way Audio is enabled for the account and event group, the Control System stays
on the line and opens the audio channel.
3.
If the TWA mode is defined as "Simplex" (see p.70,
10.6.11 TWA Mode), the audio
channel opens in Listen mode (microphone active/speaker mute). The operator may
switch to Speak mode, by pressing "
1
" on their telephone. Pressing "
0
" switches back to
Listen mode.
4.
The duration of the call is determined by the TWA/VM Timeout. Ten seconds before the
timeout expires, two short DTMF tones are sounded. To extend the call, the operator
presses "
7
" on their telephone. This command restarts the timeout.
5.
To disconnect before the end of the timeout, the operator presses "
*
" then "
#
" on their
telephone.
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