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The new D-3 line-powered circuit board is a series of "firsts" for a payphone. This is the first truly Line-Powered phone, with all operating power derived from the telephone line. A small lithium battery is used soley as a power backup for the RAM and real-time clock when the phone is not connected to a telephone line, such as during shipping or storage. The battery should last up to 10 years, which is normal shelf life. No bulky, expensive battery pack is used as a power supplement, and no charging is necessary. A new method of switching has also been incorporated into the design of the D-3. Normally electromechanical relays are used to switch power to and from the circuit board. Now, that same process is handled by solid-state components and robust transient/surge protection, also a first. Elimination of the relays greatly enhances the product's reliability. Finally, the D-3 has taken steps to fulfill ADA requirements by adding a volume control feature. Simply attach a control button to the case and affix the wires to the back of the keypad.
FEATURES:
Sophisticated Microprocessor controlled circuitry.
Remote uploading and
downloading existing Bell telephones. capability using Telelink.
(Windows 3.1 and 95 compatible)
Alternative Operator
Services (AOS) allows the ability to capture a portion
of toll revenue on operator assisted calls.
Access to other common
carriers (OCC).
Returns coins when call
is not compatible).
Full prepay phone - accepts
and totals nickels, dimes, and quarters.
Appearance and call procedure
like existing Bell telephones.
Returns coins when call
is not completed.
Rejects bent or dirty
coins.
Remote monitoring speeds
service and collection.
Revenue totaled electronically.
Tracks number of local,
long distance, operator assisted, and directory-assistance calls.
Six digit phone l.D.
number assignment.
Rotary or Touch-Tone
capability.
Provides voice messages
that simulate live operators and central office computer functions.
Allows customer-specific
call blocking, i.e., 976 calls.
Allows custom programming
for state and local regulatory variances.
Allows dialing options,
i.e., 7 or 10 or l l digit, 411, operator-assistance, etc.
Capability for "free"
calls, i.e. 800, 911 or emergency.
Meets or exceeds federal
handicap requirements, hearing aid compatible.
310-836-8950