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17 lugl 1997 anni - The first hosted PBX launched. Which stands for Private Branch Exchange, it is a private telephone network used within a company or organization.
Aggiunto al nastro di tempo:
The Evolution of Phones
By
Jasmine
13 nov 2018
0
0
693
Data:
17 lugl 1997 anni
Adesso
~ 27 years ago
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