Business VoIP Featured Article

Looking for Better VoIP Call Quality? Sintrex's VoIP Monitor Ready to Help

January 30, 2015

By Steve Anderson, Contributing Writer

There are a host of reasons to get in on a business voice over Internet protocol (VoIP) system. Having access to more features than the standard phone system, having access to better quality features, being able to put it to use in more places and even saving substantial amounts of money—particularly for those businesses that do a lot of long distance or international calling—are all just part of the package. But some companies that have tried it have found some issues with call quality, and that's soured more than a few on the experience overall. However, Sintrex may have the solution of the day with its new Sintrex VoIP monitor, a system that could go a long way in providing better call quality and making a powerful system even more useful.


The Sintrex VoIP monitor is a network packet sniffer specifically geared toward use in session initiation protocol (SIP) systems, as well as for real time transport protocol (RTP) systems, two major components of a VoIP call. With the packet sniffer in place—a mechanism that allows a larger system to capture certain network packets and examine same—problems in the network can be identified and potentially repaired, which allows the user to get more out of the network by improving its overall capability.

But the Sintrex VoIP monitor actually takes this a step farther, as it's particularly geared toward analyzing call quality based on several key network parameters. The statistics from the calls in question are all saved to a database, where said calls are analyzed further to help spot new ways to improve the call quality levels. Plus, the monitor can even decode speech and engage playback using a Web-based graphic user interface (GUI), offering further value.

This works out well for those putting such tools to work, as explained by Sintrex's product director Adrienne Kotze, who offered up some comment on just what kind of impact the Sintrex system could have, given how the network works. Kotze explained that VoIP is delivered over what's known as a “best-effort network,” or one that comes without certain basic guarantees of service. Routers handle traffic on a first-come first-served basis, which means that routers dealing in high traffic may not handle a VoIP transmission the way it should be. That can lead to several call quality issues, issues that the Sintrex router can help rectify.

Call quality is important for any communications system; it doesn't matter how inexpensive it is, or how many features it has, or anything like that, if its most basic function—being able to connect two or more users in conversation—isn't usable. If the conversation can't be heard, if the ideas can't be understood, then it really doesn't matter if it has call routing or call waiting or just cheap overseas calling. So being able to bring in a tool to improve call quality is a pretty valuable notion, and Sintrex's VoIP Monitor should be just what a lot of places were hoping for, especially those places that might have been on the bubble already in terms of what an Internet connection could handle for VoIP access.

It will be interesting to see just how far the Sintrex VoIP Monitor will go, and how many user experiences it can improve upon. But the idea of it is pretty good as it stands, and while it may not work for everyone, if it works for anyone, it will prove help enough for consideration.




Edited by Alisen Downey


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