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IDG Contributor Network: SD-WANs lost my voice

VoIP News October 14, 2017

If there’s one application that brings chills to the hearts of SD-WAN implementers it’s providing a predictable real-time voice service. So let’s talk about how SD-WANs might help.

The problem with voice

We need to separate from the theory of voice and the reality of voice. The theory goes something like this. The Internet is fine for email and web browsing. It’s even pretty good for personal voice. But if I want to deliver a voice service, day-in-day out without a hiccup, then I run into a problem. Voice is a real-time protocol with strict tolerances around latency, loss and jitter. Exceed those tolerances and symptoms common to a poor voice service set in. Increased delays from traffic routing or lost packets disrupt voice calls. Outages and brownouts can cause calls to drop.

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Network World Unified Communications

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IDG Contributor Network: Enterprise 911 — Lost in translation

VoIP News June 1, 2016

If you work in an office, your work days include the standard routine of commuting to work and taking your place at a cubicle in a corporate facility amid your fellow employees.

Most likely, your employer has provided you with a desk and a laptop, and on your desk is a telephone connected to the corporate multi-line telephone system (MLTS) known as an MLTS/PBX. Alice in accounting or David in sales is easily reached by directly dialing that person’s extension number. Reaching someone outside of your company is just as easy. First, an access code is dialed, then the 10- or 11-digit telephone number of the desired remote party. The rest is telephone network magic that is likely out of sight and out of mind.

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Network World Unified Communications/VoIP

229 total views, 0 today