VoIP saves money ?
During these days, I am struggling to find an answer for myself – Will VoIP really help enterprises save money?
In the industry, VoIP is almost a “must” for newly deployed voice systems, particularly for long distance calls. The reason to do so seems to be obvious – VoIP helps save money. After checking the data on WAN costs and the cost saved with VoIP, I find it’s very difficult for me to convince myself. The data comes from my direct data from real world and some other reference data from a huge MNC told me the same story.
If you use dedicated leased lines to carry VoIP, it’s not cost-saving, while VoIP over Internet saves money.
In fact, during an open discussion, consultants from a very famous VoIP vendor admitted this judgement. But they insisted that VoIP/IP Telephony will help improve productivity, by short numbers, enterprise announcement, and etc. However, productivity is very difficult to measure, isn’t it? Of course, the last reason to deploy VoIP/IPT devices is to protect investment. 
This is another difficult-to-measure reason.
By accident, I found this old article by Tim Hills which discussed VoIP vs PSTN very interestingly. Here is some of its contents:
Why Bother With VOIP?
It’s NOT about old wine in new bottles VOIP Risks
VOIP + IP/MPLS works – but how well? VOIP Reliability
Failures will happen – will new technologies help? Management Challenges
IP/MPLS management is at last coming up to speed for voice needs Improving VOIP QOS
Carriers are learning to reimplement the past to improve VOIP QOS
AOL gains, Google loses in Nielsen metrics change
http://www.museum.vic.gov.au/spidersparlour/images/vic-funnel.jpg
A new ranking methodology at Nielsen/NetRatings gives AOL a boost while disadvantaging Google.
Nielsen/NetRatings this week made a change to its metrics for ranking the most popular Web sites. It will now focus on the amount of time people spend on a site instead of just the unique audience. This move benefits sites with services like instant messaging and e-mail over sites that offer quicker activities such as search.
Using the new total-minutes calculation, AOL is ranked as the most popular Web site in May in the U.S., followed by Yahoo; MSN/Windows Live; Fox Interactive, which owns MySpace.com; Google; eBay; Microsoft; Electronic Arts; Apple and YouTube, which is owned by Google.
Under the unique-audience calculation, the top 10 list looks like this: Google Yahoo, MSN/Windows Live, Microsoft, AOL, Fox, eBay, YouTube, Wikipedia and Apple.
Fox’s MySpace, Google’s YouTube and eBay have loyal and engaged users, while Microsoft’s Windows Media Player and Apple’s iTunes helped those rankings, Nielsen/NetRatings said. Electronic Arts broke into the top 10 based on total minutes because of the popularity of its Pogo.com gaming site.
Web sites are increasingly offering services that keep a user on a site for longer, and measurement firms are looking at user “engagement” metrics more and more. The widespread adoption of streaming audio and video, which provides dynamically changing content within a single page or media player, and applications like Ajax, have diminished the importance of measuring page views.
On Thursday, I’ll take a broader look at what industry insiders think about this change and what impact it may have on advertising.
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