Protel i-Spectrum Payphone

The iSpectrum was a late-1990s Internet-enabled payphone conversion system compatible with Protel and other COCOT platforms. It replaced the upper housing with a multimedia interface featuring a keyboard and display, allowing web access and data services. Designed as a retrofit kit or complete unit, it targeted commercial kiosk environments.

NameProtel i-Spectrum Payphone
Date2000
ManufacturerProtel

Development of the Protel i-Spectrum Payphone

iSPECTRUM (often written i-Spectrum) refers to an “Internet payphone” / multimedia-kiosk conversion concept rather than a standard Protel 7000/7800-style front.

It was marketed as a “real” Internet payphone that could convert an existing payphone into a multimedia kiosk by replacing the upper housing (i.e., the top/front assembly).

It was offered in multiple configurations including a conversion kit (upper housing only) and a complete unit (upper + payphone lower).
The documentation set treats it as a platform that could be paired with different internal “smart board” ecosystems (examples listed include Protel, Elcotel Series 5, Elcotel 5501, Intellicall, Ernest), implying it was designed to be retrofit-friendly across common COCOT architectures, not purely Protel-only.

Payphone documentation sites index it as its own manual family (“iSpectrum manuals / instructions / FAQ”), separate from Protel manuals, which fits the idea that it’s a distinct kiosk/upper-housing product line rather than just a Protel model number.
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