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SS7

A common-channel signaling protocol stack used in telecommunications networks for call setup, routing, and control, separating the control channel from the voice channel.

Timeline (last 90 days)

Oct 12

The blue box incident directly drove the evolution of telecom networks toward common-channel signaling (such as SS7), completely separating the control channel from the voice channel.

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The blue box incident directly drove the evolution of telecom networks toward common-channel signaling (such as SS7), completely separating the control channel from the voice channel.

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Source Articles

Phreak.ing: A Fun Experiment That Turns the Internet Into a Telephone Switching NetworkOct 12