ZDNet Dictionary Definition
- H.323
- An ITU standard for realtime voice and videoconferencing over packet networks, including LANs, WANs and the Internet. Although H.323 is a very comprehensive standard that supports voice, video, data,...
- Full H.323 Definition >>
ZDNet Resources
- Voice over IP Foundations
- View Available Dates and Locations Gain essential data networking and Voice over IP (VoIP) knowledge in a single, week-long class. In this course, you will learn how VoIP works, why VoIP works, and how to use VoIP. On the first day, you will configure an IP network...
- Tags: SIP, H.323, IP, Session Initiation Protocol (SIP), Telephony, VOIP, Telecommunications, Networking, Emerging Technologies
- Training 2008-01-01
- GWGK - Implementing Cisco Voice Gateways & Gatekeepers
- View Available Dates and LocationsThis advanced Authorized Cisco course covers the in-depth and important topics needed to implement Cisco Voice Gateways and Gatekeepers in Enterprise or Service Provider environments with CallManager and Cisco Unity. Learn to install, configure, monitor, and troubleshoot Cisco voice gateways and gatekeepers...
- Tags: H.323, Fault-tolerance, Router, PBX, Cisco Systems Inc., PSTN, VOIP, Routers & Switches, Telephony, Network Technology, Networking, Telecommunications
- Training 2008-01-01
- ISA Server 2000 - Vulnerability in h.323 Filter Can Cause Remote Code Execution (816458) (exe)
- A critical security vulnerability exists in the H.323 filter for Microsoft ISA Server 2000 that could allow an attacker to overflow a buffer on the Microsoft Firewall Service in Microsoft ISA Server 2000. The vulnerability results because the H.323 filter for the Microsoft Firewall Service does not perform proper boundary...
- Tags: H.323, Microsoft ISA Server 2000, Vulnerability, Microsoft ISA Server, Microsoft Corp., Security Vulnerability, VOIP, Security, Telecommunications, Networking
- Software downloads 2007-09-14
- Cisco - Implementing QoS Solutions for h.323 Video Conferencing Over IP
- H.323 is the standard with global acceptance for multimedia conferences in an IP network. Many IP video conference applications use the H.323 suite of protocols. The International Telecommunications Union (ITU) H.323 defines an international standard for multimedia over IP. ITU approved the first version of the H.323 standard in 1996....
- Tags: H.323, QoS, IP, Cisco Systems Inc., International Telecommunications Union H.323, Example Application, VOIP, Telecommunications, Networking
- White papers 2006-02-06
- PowerPlay (EXE)
- Say Hello to IPContact, the H.323 video conferencing application that meets or beats the performance of industry leading, hardware- based systems. Multipoint without an MCU IPContact sets a new standard in quality for IP-based video conferencing systems. It can show any four of the eight maximum members of the conference...
- Tags: H.323, Video Conferencing, MCU IPContact, VOIP, Telecommunications, Networking
- Software downloads 2005-09-14
- If you don't know the difference between h.323 and SIP...
- Maybe you are new to VoIP, and don't know your H.323 from your SIP.Perhaps you have gotten that far, but your eyes glaze over when a systems integrator is talking about the virtues of G.722 vs. G.711 audio encoding.If those terms befuddle you, I've got a quick-and-easy resource for you....
- Tags: VOIP, Telephony, TELECOMMUNICATIONS, H.323, SIP
- Blog posts 2005-04-12
- Implementing QoS Solutions for h.323 Video Conferencing Over IP
- Many IP video conference applications use the H.323 suite of protocols. The International Telecommunications Union (ITU) H.323 defines an international standard for multimedia over IP. ITU approved the first version of the H.323 standard in 1996. The current version is 4. Many applications now commonly deploy LAN-based H.323 video systems....
- Tags: H.323, QoS, IP, International Telecommunications Union H.323, Example Application, VOIP, Telecommunications, Networking
- White papers 2005-03-03
- VoIP holes remain open
- VoIP holes remain openVoice OverWhile a bug exists, at least M$ is working on a solution. Bill Gate$ and Co. have been coming around and doing the right thing for security.Flaw it may be, but how serious is it really..?Another reader comments:"Bill Gate$ and Co. have been coming around...
- Tags: Session Initiation Protocol (SIP), Telephony, SECURITY, vulnerability, SIP, VoIP, H.323, CO., flaw, Microsoft Corp.
- Discussion threads 2004-01-16
- Flaws threaten VoIP networks
- Flaws threaten VoIP networksNo Way!!!A security flaw in a MicroSoft Product!!! Say it aint so!Mike Cox must be having a heart attack! I'm sure his MS rep is giving him CPR as I type. Cisco, Shame on you!!! Being mentioned in an article on security flaws with MS is...
- Tags: Session Initiation Protocol (SIP), Telephony, TELECOMMUNICATIONS, SECURITY, Reading, VoIP, H.323, SIP, flaw, Microsoft Corp., network
- Discussion threads 2004-01-13
Additional Resources
- Synology Disk Station DS-107+
- Up to this point, our network attached storage reviews have focused on consumer-level products that act as simple backup or media-sharing solutions for home users. NAS is but one of the many features found on the Synology Disk Station DS107+, a sophisticated device that holds appeal for home users and...
- Tags: Network-attached storage (NAS), Storage, NETWORKING, disk, DS107+, hard drive
- Product reviews 2008-05-08
- Drobo DroboShare network adapter
- If you have already plunked down $500 for a Drobo and have other PCs on your network that you'd also like to backup to your Drobo, the $200 DroboShare companion piece is a no-brainer. It's near perfect for small offices in need of a dead simple backup solution, but home...
- Tags: Ethernet, Network-attached storage (NAS), NETWORKING, Network technology, Storage, adapter, network adapter, network, Drobo DroboShare
- Product reviews 2008-04-15
- D-Link DNS-323 2-Bay Network Storage Enclosure
- The $200 D-Link DNS-323 2-Bay Network Storage Enclosure offers a quick, yet comprehensive solution for network storage. We really liked the device for its flexibility and useful features, and at the same time wished it supported FAT32 or NTFS hard drives like the Iomega StorCenter Pro. The device can house...
- Tags: Home networking, network storage, D-Link DNS-323, hard drive, RAID, D-Link Systems, JBOD, storage
- Product reviews 2008-04-09
- CIPT2 v6.0 - Implementing Cisco Unified Communications IP Telephony Part 2
- Instantly save $500 off the standard course price when you register on TechRepublic or ZDNet! Offer ends April 30, 2008.View Available Dates and LocationsPrepare to install and configure a Cisco Unified Communications Manager (CUCM) solution in a multisite environment in this course. You'll focus on CUCM Release ...
- Tags: Telephony, Router, IP Telephony, Mobility, Cisco Unified Communications System, Cisco Systems Inc., PSTN, VOIP, Telecommunications, Networking
- Training 2008-04-01
- EMEA server market in 2007
- Vendor Revenue, 2006 Share, 2006 Revenue, 2007 Share, 2007 Growth, YTY Hewlett-Packard $5,412 32% $6,078 34% 12.3% IBM $5,604 33.1% $5,580 31.2% -0.4% Sun Microsystems $1,985 11.7% $2,092 11.7% 5.4% Dell $1,309 7.7% $1,508 8.4% 15.3% Fujitsu...
- Tags: Revenue, Operational Accounting, Servers, Finance, Hardware, NB
- Blog posts 2008-03-11
- Asus EN9600 GT
- ATI's Radeon HD 3850 returned respectability to the $150 to $200 3D graphics card last year. Unfortunately for ATI, Nvidia's new GeForce 9600 GT chip wrests the midrange crown away and knocks out a more expensive contender in the process. Cards that use Nvidia's new chip, like the Asus EN9600GT...
- Tags: Semiconductors, Network technology, Nvidia GeForce, GeForce 9600 GT, chip, ATI Technologies Inc., NVidia Corp., ASUS
- Product reviews 2008-02-21
- Top Web sites in Japan in December 2007
- Yahoo! continued to lead the market in Japan with more than 42 mln visitors in December 2007. Google captured the second position with 32 mln visitors, followed by Microsoft with 30 mln visitors. The top 25 properties held relatively constant in their positions from November 2007, with small position gains...
- Tags: Web, Web Site, Site, Wiki, Internet, Web Site Development, Web Technology, Channel Management, Online Communications, Marketing, NB
- Blog posts 2008-02-13
- Top sites in Japan: Yahoo!, Google, MSN, Rakuten, NTT, FC2, Nifty
- Yahoo! Sites continued to lead the market in Japan with more than 42 mln visitors in December, according to comScore. Google Sites captured second with 32 mln visitors, followed by Microsoft Sites with 30 mln visitors. The top 25 properties held relatively constant in their positions from November 2007, with...
- Tags: Google Inc., MSN, Yahoo! Inc., NTT Corp., ComScore Networks Inc., Visitor, Internet, Wiki, Online Communications, NB
- Blog posts 2008-01-27
- Subaru Impreza Screensaver 2 (zip)
- A great image slideshow for your desktop screen. The Impreza was introduced as an updated competitor to other Asian vehicles Toyota Corolla, Honda Civic, Nissan Sentra, Mitsubishi Lancer, and Mazda 323, however the Impreza is the only vehicle in this class to offer AWD and Subaru made this feature standard...
- Tags: Subaru, Subaru Impreza Screensaver 2, Desktops, Hardware
- Software downloads 2008-01-23
- CIPT1 - Cisco IP Telephony Part 1 v6.0 or v5.1
- View Available Dates and LocationsNow running both CUCM 6.0 and 5.1 in all labs! Exclusively at Global Knowledge, you choose the version of Cisco Unified Communications Manager (CUCM) you wish to deploy in your lab environment. You'll receive both CUCM 6.0 and 5.1 enhanced lab guides, and...
- Tags: Global Knowledge Network Inc., Telephony, Router, Network, IP Telephony, IP, Training, Cisco Systems Inc., PSTN, VOIP, Telecommunications, Telecom & Utilities, Network Technology, Networking
- Training 2008-01-01
- CIPT1 - Cisco IP Telephony Part 1 v4.1
- View Available Dates and LocationsThis CIPT1/CIPT2 v4.1 Self-Paced e-Learning course provides you with the knowledge to fully leverage basic and advanced features of Cisco CallManager (CCM) 4.1 and IP telephones. Learn to deploy video in your IP telephony network and to properly secure your...
- Tags: Telephony, Network, IP Telephony, IP, Cisco Systems Inc., VOIP, Telecommunications, Networking
- Training 2008-01-01
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