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Why is it considered to be problematic to send digital data over the PSTN and how are these problems

Why is it considered to be problematic to send digital data over the PSTN and how are these problems overcome?

PSTN (public switched telephone network) was originally designed for voice/analog – and not digital – transmission, which is not necessarily problematic. It's just outdated technology for the latest multimedia applications.

This was last published in February 2005

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