Networking

Taking Charge of Your VoIP Project by John R. Walker, Jeffrey T. Hicks

Posted On February 25, 2017 at 6:39 am by / Comments Off on Taking Charge of Your VoIP Project by John R. Walker, Jeffrey T. Hicks

By John R. Walker, Jeffrey T. Hicks

Ideas and recommendations for profitable VoIP deploymentsJustify your community funding * The step by step method of VoIP deployment and administration permits you to plan early and correctly for profitable VoIP integration together with your current structures, networks, and functions. * The distinctive advent bargains a typical grounding for individuals of either the telephony and information networking groups. * IT managers and venture leaders are armed with info on development a enterprise case for VoIP, together with info of return-on-investment (ROI) research and justification. * A VoIP deployment is gifted as an immense IT venture, allowing you to appreciate the stairs concerned and the mandatory assets. * the great examine caliber of carrier and tuning describes while and the place to exploit them in a VoIP deployment. those are usually the main advanced subject matters in VoIP; you will get shrewdpermanent tips about which recommendations to exploit in a variety of conditions. * You find out how to plan for VoIP safeguard, together with prevention, detection, and response.

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Figure 2-4. htm). 38 39 Voice is the easiest step in convergence because of its relatively low bandwidth requirements. After a VoIP implementation, the next step toward convergence would be to put video on the network. In many corporations today, video represents a third network infrastructure beyond voice and data. This third network infrastructure consists of dedicated ISDN lines that link conference rooms together for videoconferencing. Video streaming is also growing in acceptance for uses such as corporate training and distance learning.

Upgrading the current voice network— If your voice network is currently constrained, you know improvements are necessary, soon. This may mean an architectural reworking; does it make sense to convert some of your telephony backbone to VoIP, without changing end-user phones? As an alternative, if you are at the point where you need to add new phones, can they be VoIP phones, added a few at a time? Such an approach will help you to gain experience with VoIP in small steps while gathering feedback on user satisfaction with the new phones.

These two numbers, BHCA and BHCC, describe the peak call volume. ) Call Volume Statistics In the telephony industry, the busy hour traffic is often calculated in erlangs. An erlang is a number that represents the busyness of a particular telephone line. An erlang value of 1 means that the telephone line is 100 percent busy. Similarly, telephony statistics may include an Erlang B calculation, which is used to tabulate one of the following factors, given the other two: 53 54 • Busy hour traffic (BHT)— The number of hours of call traffic during the busiest hour of operation • Blocking— The percentage of calls that are blocked because not enough lines are available • Lines— The number of lines in a trunk group Simple calculators are available that implement the Erlang B calculation and allow for some quick modeling scenarios of the different statistics.

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