Chapter Six: Two-Way Audio; Calling Your Home - Infinite ZI250C User Manual

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The infinite control panel offers a range of Two-Way Audio features. You may use these
features to check your home in the event of an alarm or as an alternative means of
communicating with members of your family. For example, you may wish to call an
elderly person who has difficulty reaching the phone. Using its Two-Way Audio features,
the control panel automatically picks up the call and you can communicate via its built-in
microphone and speaker.

6.1: Calling your Home

You may call your home at any time in order to contact your family or check your home
while you are away. This feature is available for both regular telephone communication or
cellular communication.
Making a Call using a Regular Telephone
When your security system shares a telephone line with other devices (e.g. telephone
handsets, an answering machine or fax), it is important that the control panel distinguish
between calls so that it knows when to pick up the relevant call. For this purpose the
infinite employs a double call method.
To make a call to the control panel using the double call method:
1.
Dial your telephone number.
2.
Wait for two or three rings then hang-up.
3.
Wait at least five seconds and dial the number again; on the second ring, the
control panel picks up and sounds two tones.
Making a Call to the Cellular Communications Module
If your system supports cellular communication, the Cellular Communications Module
has its own individual telephone number. Therefore, the double call method is not
necessary and you may call the control panel directly.
Call Procedure
To prevent unauthorized attempts to call your control panel, you must enter a user code
when calling your home – see 7.3: User Codes, Code 30.
To call your home:
1.
Call the control panel either using the double call method or directly (see
above); when the control panel picks up, two tones are sounded.
2.
Enter the User TWA code on your telephone.
Do not enter your user code until you hear the two tones. Any digits entered before the
tones are sounded are disregarded by the system.
3.
The duration of the call is an option programmed by your installer. Ten seconds
before the end of the call, two short tones are sounded. To extend the call,
press 7 on your telephone.
If using Simplex mode, the call is connected in Listen mode – see 6.5: Simplex Mode.
4.
To disconnect before the end of the call, press " " then "#" on your telephone.

Chapter Six: Two-Way Audio

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