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Teleguard




Teleguard is a programmable line-powered telephone call controlling device. Teleguard is pre-
programmed to prevent the dialing of all long distance calls and chargeable calls and may be re-
programmed to restrict any kind of telephone number or any specific number or to restrict the
duration of outgoing calls. Authorized users can have an Override Password to make otherwise
restricted calls. All programming is password-protected. Teleguard works with both pulse and tone
dialing telephones and is compatible with telephone systems world-wide.

CONFIGURATION and APPLICATIONS

Teleguard is a microprocessor-based fully programmable device designed for residential and
business use to control the use of a telephone or telephones on a single telephone line.

Teleguard is compatible with virtually any switch system including key systems (1A2 or electronic),
PBX systems, Centrex or similar operations, OCC (other common carriers), and central office
switches (analog or digital) with features such as call waiting.

Various programmable features together provide maximum flexibility for wide-ranging applications.

Teleguard is particularly useful in restricting access to :

"976" telephone numbers and long distance telephone numbers,

calls for directory assistance and operator assistance,

and the duration of use of "local" measured telephone line service, courtesy phones, taxi phones,
and computer modem lines.

Operation

When the user’s telephone is off-hook, Teleguard monitors outgoing digits dialled for programmed
restricted or allowed numbers. If Teleguard detects any restricted numbers, it disconnects the call for
a few seconds and then returns a dial tone so that the user can dial another number.

Installation

For Teleguard to control all telephones on the same line, it must be installed at the first telephone on
the line from which all other extensions are connected.

If Teleguard is installed at any extension telephone other than the first telephone then only that
extension telephone’s dialling operation is controlled by the unit.

Installation is very simple. It involves only connecting the Teleguard to the telephone line with line
cords equipped with modular plugs.

The unique design of the housing of Teleguard prevents the modular plugs from being disconnected
from it, after installation, without using tools.
KEY FEATURES

Not polarity sensitive
Non-volatile memory; allows programming prior to installation
Numbers can be allowed or denied in specific locations (for example, 1-XXX-5555)
Specially-designed housing provides safeguard against attempts to circumvent the unit’s
programmed restrictions
"911" cannot be blocked
Programmable by DTMF or pulse/rotary telephone
Restrict DTMF or pulse/rotary dialling
Allow incoming calls only, if desired
Restrictions can be turned on or off via the dial pad
Remotely programmable from a DTMF dialling telephone
Conversation time can be programmed for outgoing calls from 0 to 99 minutes
Equipped with necessary accessories for both modular and wired installations  

Programmable Functions

Deny/allow 00/011 dialling
Deny/allow 411 and 1-411 dialling
Deny/allow 555 and 1-555 dialling
Restriction ON / Restriction OFF
Allow incoming calls only
Add numbers to Allow and Deny Table - enables the user to add any specific numbers to deny, for
example, 212, 3, 1-816-233-9994, 393-2121, etc. and to add any specific numbers to allow, for
example, the user may have all long distance calls (1+) denied, but calls to 1-905-882-6107 may be
made by entering it in the Allow Table
Remove numbers from Allow and Deny Table
Ignore first digit
Outgoing call duration limit
Digit count barrier
Dial pulse only
Dial Restart - Some Central Offices allow customers to receive dial tone if the telephone is off hook
after the called party hangs up. The Dial Restart ON does not allow a second string of dialed digits to
be dialled without first hanging up. OFF allows the user to continue dialling for accessing computers,
voice mail systems, etc.
Ignore * - This is turned ON if the switching system does not cut the user off whenever a * is dialled
as part of a telephone number.
Wild card - The * on the DTMF telephone keypad may be used during programming of the Allow or
Deny Tables to represent any digit from 0 to 9. For example: 1-***-550-**** in the Deny Table would
deny all calls to any 550 exchange code outside the user’s own area code.  

Factory Preprogrammed Settings

These factory programmed settings may be easily changed by the user, with the programming
password:

restrict 1/0 976, 1/0 XXX 976, XXX 976, 976 XXXX
restrict 900,1/0 900 (operator assisted dialling of 900 numbers)
restrict 1+ Calls (direct dial long distance)
restrict 0+ Calls (direct dial special service)
restrict 0- Calls (operator assisted calls)
restrict 00/011 (direct dial international calls)
restrict 411,1 411, 555, 1/0 555, 1/0 XXX 555 (directory assistance calls)
Digit Count Barrier - no limit
Conversation Time Count - off
Programming Password - 0000000
Override Password  

 

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