IT Trenches

Apr 8 2008   2:21PM GMT

VoIP, IPT, QOS, COS, on and on – Oh My!

Troy Tate Profile: Troy Tate

Incident response

Well, well, well, so you want to implement voice over IP or IP telephony. You have heard it is going to give you some great cost savings and make your life easier. Hmmmm… upon further thought, the idea of implementing this technology frightens you and I totally understand why.

I have implemented VOIP at four of my sites now. One in Europe that is a small office serviced by a Cisco CallManager Express implementation. My Asian site is a full CallManager cluster solution. My two sites in North America are implemented in a different configuration yet. One of the North American sites has the CallManager cluster like Asia and the second North American site is a SRST (Survivable Remote System Telephony) managed by the other North American site.

So, as you can see, my organization has a good amount of experience in this area and I hope to share some of that with you and help you through this process if you should require this technology in your environment.

Let’s start with some of the reasons some folks say IPT should be implemented.

  • Capital investment costs: This really depends on the solution that you choose. Remember all of the necessary infrastructure elements that are required to support IPT. IPT implementations may add 30% or more in infrastructure equipment replacement or additions.
  • Voice service costs savings: The home consumer may see some cost savings (think Vonage), but the enterprise may already be receiving long distance rates in the two cents per minute or less range. However, other operational costs may offset the savings that IPT appears to offer. More to follow on other costs/issues in a future blog entry.
  • Operational savings: This may be the “real deal” when it comes to cost savings to an organization. IT becomes the owner/operator of the system as it shares the data network infrastructure and operational management.

Some future elements to follow in our discussion will include capacity planning, troubleshooting, partner selection. The volume of information to share is almost endless.

Your continued interest is greatly appreciated. Thanks for your time. Let’s be good network citizens together & practice safe networking!

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