- Phone line powered - Non-volatile E2 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