| Information | |
|---|---|
| has gloss | eng: The panel switching system was an early type of automatic telephone exchange, first put into urban service by the Bell System in the 1920s and removed during the 1970s. The Panel and Rotary systems were developed in parallel by Bell Labs before World War I , and had many features in common, though the Rotary system was used in Europe. |
| lexicalization | eng: Panel switch |
| instance of | (noun) a workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication central, telephone exchange, exchange |
Lexvo © 2008-2025 Gerard de Melo. Contact Legal Information / Imprint
