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You are here: Home / Design / CCDA / Chapter 9: Voice and Video Infrastructure / Voice and Video Infrastructure – Summary

Voice and Video Infrastructure – Summary

Many of the modern enterprise network designs must accommodate the transmission of voice traffic in addition to data traffic. The transmission of voice over a data network is often referred to as Voice over IP (VoIP). The inclusion of VoIP in a network design typically requires integration with existing telephony services and connectivity to the Public Switched Telephone Network (PSTN).

 

When you speak into an analog phone, your voice is converted into an analog waveform. However, telephony networks cannot maintain voice quality when sending analog waveforms over long distances. Therefore, telephony networks convert analog waveforms into digital signals, which . . .

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