| Name | Protel i-Spectrum Payphone |
| Date | 2000 |
| Manufacturer | Protel |

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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