Programmable Toll Restrictor with 6-Digit Bypass Code, Touch Tone or Rotary Phones, Line Powered. The TR-1 is a cost effective, user programmable, Toll Restrictor, ideal for applications where unauthorized phone calls cannot be tolerated. Concealed in a standard wall mount RJ11C jack, the TR-1 is designed to allow or restrict local and/or specified long distance numbers. The TR-1 provides a 40 number allow/restrict table, a 6 digit bypass code (allows authorized users long distance access), and an inbound/outbound call timer with disconnect. The TR-1 is Touch Tone programmable and will restrict Touch Tone or pulse dialing on outbound calls. Applications Courtesy phones in banks, hotels, etc. Prevent outgoing calls on public phones, etc. Limit call times Force long distance calls through alternate long distance carriers Prevent the use of hand held dialers Features Phone line powered Non-volatile E 2 memory Compatible with Touch Tone or rotary phones .5 to 49.5 minute call timer with disconnect Programmable allow or restrict table stores up to forty 12-digit phone numbers, prefixes or area codes 6 digit bypass code for single call override Programmable to ignore phone system line access numbers Programmable ignore table stores up to twelve 12-digit phone numbers, ideal for *67, *69, etc. Programmable maximum digit string length Concealed in a standard RJ11C jack Allow or restrict 1-800 numbers Operational alert tones Allows emergency and toll free numbers Made in the USA One year warranty.