5 Telecontrol and Two-Way Audio
CommPact Installation Manual
34
5.
Telecontrol and Two-Way Audio
The CommPact Control System offers a range of Telecontrol features that provide remote access via
the telephone. These features include Two-Way Audio, remote setting/unsetting and cancel
sounder activation. This chapter explains these features and their operating procedures.
Telecontrol features can be separated into two fundamental groups; incoming and outgoing calls.
These groups differ in their associated features.
5.1. Incoming
Calls
The Control System can receive incoming calls from either the user or central station operator.
Users may use this feature as a convenient way of contacting their family, operating their system or
to check their home when they are away. Additionally, the monitoring service can contact the user
in the event of an emergency or use this feature for listen-in alarm verification.
For any of the incoming Telecontrol features to function, Telecontrol must be enabled in the
Communication Options section of the Programming menu – see p. 69,
10.6.9 Incoming Calls.
5.1.1.
User Code Verification
To prevent unauthorized attempts to connect with the Control System, there are two user codes
designed for use with the Telecontrol features. The Telecontrol code enables the user to establish
communication with the Control System at any time. Additionally, the Central Station TWA Code
is used exclusively for Two-Way Audio alarm verification and is only valid for a ten-minute period
following an alarm.
5.1.2.
Incoming Calls via PSTN
In the case of PSTN communication, the Control System often shares a line with regular telephone
handsets, an answering machine or a fax machine. It is therefore important that the Control System
distinguish between calls so that it knows when to pick up the relevant call. For this purpose the
CommPact Control System employs a double call method.
To connect to the Control System using the double call method:
1.
Dial the telephone number of the line connected to the Control System.
2.
Wait for two or three rings and hang-up.
3.
Wait at least five seconds and dial the number again; on the second ring, the Control
System picks up and sounds two DTMF tones.
5.1.3.
Incoming Calls via a Cellular Network
The Control System has its own individual telephone number and therefore, the double call method
is not needed. In this case, the user or central station operator may call the Control System directly.
5.1.4.
Telecontrol Call Procedure
The following procedure explains how to make a Telecontrol call. The conditions and procedure
differ when using PSTN or Cellular Communication. For further information, see the entire section
5.1 Incoming Calls.
To make a Telecontrol 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 Telecontrol code (Code 29) on your telephone within 15 seconds.
Summary of Contents for Control system
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