| title | Integrated Services Digital Network |
|---|---|
| date | 2021-06-24 05:12:00 UTC |
Integrated Services Digital Network (ISDN) is a set of communication standards for the simultaneous digital transmission of voice, video, data, and other network services over the digitalized circuits of the public switched telephone network.
- Developed at Bell Labs starting in 1980
- By the time the standard was released faster networking systems were available
- Never was widely adopted
- ISDN was largely replaced by digital subscriber line (DSL)
Source: https://en.wikipedia.org/wiki/Integrated_Services_Digital_Network