There are plenty of advantages that go hand-in-hand with VoIP. Efficiency and cost savings are attractive in their own right. The ability to develop unified communications solutions that incorporate telephony also makes VoIP an extremely useful technology. For example, a company can integrate internet-dependent services, including voice, fax, email, instant messaging, and other real-time or data services. Having this application flexibility is a major benefit of VoIP.
Call quality persists as one area where VoIP lags behind the PSTN. The PSTN set the standard for call quality, and doesn’t suffer from latency issues because the connection between the lines is constant. In other words, everything happens in real time.
With VoIP data is sent in bursts. Only when someone talks and audio gets packetized does it get passed between devices. This means that there is greater potential for latency or dropouts if packets get lost or if there are hiccups in the re-assembly process.
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