You pick up a handset, dial a number, it rings, and someone answers. How hard can it be? Actually, a...
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You pick up a handset, dial a number, it rings, and someone answers. How hard can it be?
Actually, a lot goes on behind the scenes with two protocols set into motion—SIP and RTP—to get VoIP to work in a modern network.
For comparison, when you enter www.google.com into a browser, there are two protocols at work: DNS and HTTP. The browser first does a DNS lookup to learn the IP address for the given www.google.com domain name. Once the IP address is learned, it opens an HTTP (or HTTPS) connection to the IP address and begins to download the web page.
A similar mechanism was developed for VoIP where there are two protocols that do the heavy lifting: SIP and RTP.
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"Are we there yet?" The age old question evokes images of family vacations that involve long drives ...
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Your network infrastructure is very similar to our road infrastructure: Sometimes, your daily commut...
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As a kid, cloud monitoring meant going outside and looking for new shapes created by clouds in the s...
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When you first learn about ‘jitter’, you might think it’s a resurgence of a 1940’s dance craze. Hap...
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Packet Loss and Its Causes Simply put, packet loss is when packets of data being transmitted through...
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Network troubleshooting is the combined measures and processes used to identify, diagnose and solve ...
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We recently interviewed a number of IT Managers and Network Engineers what their biggest complaint w...
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My first day working in the IT department, my new boss sat me down and told me something I didn’t ex...
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One thing always seems to ring true in the world of networking: Networks get larger over time. This...
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Hollywood tantalizes us with super high-tech futures where you ask the computer verbal questions lik...
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