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The Telegaurd. Rating Contact Us For More Details About Prices. The Teleguard is a programmable line-powered telephone call controlling device. The 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.
Technical Specifications Not polarity-sensitive
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