With the advent of new Internet technologies, such as VoIP software that can offer superior quality and reliability, and so-called VMPS (Voice over IP) solutions, which require much less traffic than the regular phone services, the first call networks have emerged.
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What are they?
The traditional PSTN or Plain Old Telephone System is based on purely analog signals. It just looks and sounds like the system we have today, however an analog signal includes so much information that it requires 50e0806aeb maldgon
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