On This Day in Telephone History October 13TH 1928 Transatlantic Telephone Service Opened from USA to Madrid Spain. In the 1920s, transatlantic telephone cable technology was not practical, and the advances required did not arrive until the 1940s. Beginning in 1927, transatlantic telephone service was short-wave radio based.

On This Day in Telephone History October 13TH 1928

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On This Day in Telephone History October 13TH 1928 Transatlantic Telephone Service Opened from USA to Madrid Spain. In the 1920s, transatlantic telephone cable technology was not practical, and the advances required did not arrive until the 1940s. Beginning in 1927, transatlantic telephone service was short-wave radio based.