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Photograph of telephony machines

Photograph of telephony machines

Item is a photograph of telephony voice and data transmission over telephone wires technology with discreet control buttons for absolute control over a data connection.

Photograph of telephony machines

Photograph of telephony machines

Item is a photograph of telephony voice and data transmission over telephone wires technology. This handset, produced by the ROLM corporation is connected to a central CBX (computer branch exchange) for establishing data connections.

Photograph of telephony machines

Photograph of telephony machines

Item is a photograph of telephony voice and data transmission over telephone wires technology. This handset, produced by the ROLM corporation is connected to a central CBX (computer branch exchange) for establishing data connections.

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