Wal-Mart selling pre-paid Skype calling cards; How to power VoIP phones

Convergence & VoIP News Alert This newsletter is sponsored by Network General Ease Application Performance Headaches Four real-world case studies show you how network IT executives are improving performance in Network World's latest Executive Guide, "Perfecting App Performance Management." Also, discover tips, trends and expert advice on how you can take advantage of new technologies to stay ahead of performance problems. Click here to download Network World's Convergence & VoIP News Alert, 05/23/07 Wal-Mart selling pre-paid Skype calling cards, 05/21/07:  Skype last week announced that customers will be able to buy Skype-certified headsets, Webcams, and handsets, plus pre-paid Skype calling cards at 1,800 Wal-Mart stores across the United States. Executive Guide - VoIP: No Turning Back Discover how real-work enterprises are deploying VoIP via several case studies Click here for more information. Apposite, Shunra optimize testing tools for VoIP, Gigabit nets, 05/22/07:  WAN-emulation vendors this week will unveil updates to their testing tools that promise to give network managers more insight into how applications will perform under real-world conditions across the wide area. Help Desk: How to power VoIP phones, 05/21/07:  We are looking at replacing our current legacy PBX with a VoIP based phone system. One of the things that we are deciding on is how to power the phones - power supply, Cisco proprietary or 802.3af. If we go with either of the two latter choices, we are looking at significant costs to replace our current network equipment with switches that can support VoIP phones. What would you suggest?

TODAY'S MOST-READ STORIES: 1. A cynic rips open source 2. IT jargon you just love to hate 3. Top 15 controversial Microsoft quotes 4. Cisco routers cause major outage in Japan 5. Foundry readies monster Ethernet switch 6. Alltel agrees to $27.5B buyout 7. Why Argonne has pulled the plug on VoIP 8. Slideshow: Foundry's biggest Ethernet switch 9. DoD software protection comes to commercial sector 10. Microsoft won't sue over Linux - yet MOST-READ REVIEW: Midtier management tools register high marks

Contact the author: Senior Editor Phil Hochmuth covers VoIP for Network World. Senior Editor Tim Greene covers VoIP carrier issues for Network World. This newsletter is sponsored by Network General Ease Application Performance Headaches Four real-world case studies show you how network IT executives are improving performance in Network World's latest Executive Guide, "Perfecting App Performance Management." Also, discover tips, trends and expert advice on how you can take advantage of new technologies to stay ahead of performance problems. Click here to download BONUS FEATURE IT PRODUCT RESEARCH AT YOUR FINGERTIPS Get detailed information on thousands of products, conduct side-by-side comparisons and read product test and review results with Network World’s IT Buyer’s Guides. Find the best solution faster than ever with over 100 distinct categories across the security, storage, management, wireless, infrastructure and convergence markets. Click here for details. PRINT SUBSCRIPTIONS AVAILABLE You've got the technology snapshot of your choice delivered to your inbox each day. Extend your knowledge with a print subscription to the Network World newsweekly, Apply here today. International subscribers, click here. SUBSCRIPTION SERVICES To subscribe or unsubscribe to any Network World newsletter, change your e-mail address or contact us, click here. This message was sent to: networking.world@gmail.com. Please use this address when modifying your subscription. Advertising information: Write to Associate Publisher Online Susan Cardoza Network World, Inc., 118 Turnpike Road, Southborough, MA 01772 Copyright Network World, Inc., 2007