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- 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
- Integrate Skype with IP PBX
- In a recent article on the VoIP News Web site, Robert Poe described a new software product called SkyStone, which sounds like it may give Skype's VoIP service its best chance ever of getting a strong foothold in the business environment. As a popular no-cost or low-cost way to make...
- Tags: VoIP newsletter, VoIP, Telephony, Skype, SIP, H.323, General, Deb Shinder, Convergence, Asterisk
- Blog posts 2007-07-06
- Sorting out the VoIP protocol maze
- You know the basics of how Voice over IP VoIP works: Voicesignals convert to digital data that are broken into packets, which can be sentover the Internet or any TCP/IP network. But you may be confused by all of theprotocols you hear about in connection with VoIP. What are the...
- Tags: Deb Shinder, H.323, SIP, VoIP
- Technical articles 2006-10-05
- 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
- Video Conferencing woes…
- I have been experiencing some problems with our Video ConferencingVC equipment. Making calls from unit to unit within the organisation is noproblem--our sites are all inter-linked by IPSec tunnels so all traffic isinternal. The problem arises when trying to make a call from one site toanother, via external IP addresses....
- Tags: firewall, H.323, video, videoconferencing
- Blog posts 2005-10-31
- 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
- Create a scalable video conferencing solution
- One way to maintain "face time" in business without incurring outrageous travel expenses is to use technology to bring people together, even when they're widely dispersed, with video conferencing. With fuel prices through the roof, it's becoming increasingly cost prohibitive to fly colleagues in from remote offices for...
- Tags: Deb Shinder, Corporate communications, Tools & Techniques, Cellular phones, video-conferencing solution, video, Build to Scale Newsletter, SIP, H.323, Network, Video Conferencing, Problem, Session Initiation Protocol (SIP), VOIP, Networking, Marketing, Emerging Technologies, Telecommunications
- Technical articles 2005-08-30
- H.323 over IP
- I want to configure Video conferencing over a wan dedicated circit without the delays. Cisco routers provide a great deal of media quality control. I think I want to use Qos Packet Marking. The link is only 256k so it might be worth just purchasing a dedicated circuit...
- Tags: H.323, souter94@..., it management, IP
- Q&A 2005-05-09
- 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
- Microsoft releases Security Bulletins for ISA, OWA, and MDAC
- Microsoft has released a batch of updates that affect Internet Security and Acceleration ISA Server 2000, Outlook Web Access OWA for Exchange Server 2003, and Microsoft Data Access Components MDAC.DetailsISA Server 2000 has a critical buffer overflow vulnerability in the H.323 filter that affects the Firewall Service and allows an...
- Tags: Microsoft Data Access Components, John McCormick, ISA, Microsoft Corp., Microsoft Exchange Server, Microsoft ISA Server, Microsoft ISA Server 2000, Microsoft Outlook Web Access, vulnerability, security
- Technical articles 2004-01-26
Additional Resources
- D-Link 2-Bay Network Storage Enclosure (DNS-323)
- Backup and share files over a local network or the Internet with D-Link's DNS-323.
- Tags: backup, D-Link Systems, DNS-323, enclosure, Internet, network, network storage, storage
- Image galleries 2006-12-01
- Cracking open the D-Link DNS-323 NAS device
- Storage continues to be a hot topic this year. With the availability of simple NAS devices and inexpensive hard drives, it is very likely that you will be buying some form of mass backup storage in the near future. The DNS-323 from D-Link is an excellent example of a small...
- Tags: Network-attached storage (NAS), Home networking, NAS, DNS-323, NAS Device, D-Link Systems, fuss, storage, backup, hard drive, network
- Image galleries 2007-08-06
- DNS-323 Issue
- I have a DNS-323 NAS that takes upto 8 Minutes to populate the directories on Macintosh. This solution was billed to me as a MAC solution by a (Sr. Inside Account Manager/ Northeast USA, D-Link Systems, Inc.) 5 Months later after the project is complete and after multiple inquiries...
- Tags: Home networking, lekopites@...
- Discussion threads 2007-11-13
- RAID Issue?
- Greets All!Have a question about raid. Here's the specifics:Running a PC to:1-router, then to2-Raid/storage (configured as Raid 1) (D-link DNS-323), then to3-DSM-510 (D-link media streamer)I've copied file xyz.avi to the "Library" aka DNS-323 and can see it on the TV via DSM-510.I've copied 5 more similar to xyz.avi to the...
- Tags: TVs, TV & Home Theater, Home networking, Domain names, be30013@..., RAID, D-Link DNS-323, TV, DSM
- Discussion threads 2007-09-01
- Sorting out the VoIP protocol maze
- What maze? Only SIP is being used activelyMEGACO, H.323 or any of the other legacy protocols that you named in this article are just that, legacies. They are rapidly fading into disuse. There is little need for anyone working in VoIP to learn any protocol other than SIP, unless...
- Tags: Session Initiation Protocol (SIP), Telephony, TELECOMMUNICATIONS, techlady@..., VoIP, maze, VOIP Protocol
- Discussion threads 2007-11-05
- Operation (Cracking open the D-Link DNS-323 NAS device)
- The Pictures tell little of what you NEED to know.* you didn't NEED to take the 4 screws out. I guess you were just curious.* the USB print server works fine with my MP600.* the iTunes server is attractive* you NEED to update the firmware to version 1.0.3, the EasySearch...
- Tags: Tools & Techniques, derf24, D-Link DNS-323, D-Link Systems
- Discussion threads 2007-08-10
- Webcomic: Never tell an engineer you're bored
- True storyIn college I knew two guys, math majors, who got an apartment together. They were very excited that their number was 323-1127.32(3) = (11, get it?) 27.Bet the rest of you guys are jealous. :-)
- Tags: Leee
- Discussion threads 2007-04-12
- GPO's with 2K & XP
- Hi,We have a PARENT domain with CHILD-* domains at all our branches.All servers are Windows 2000 and is currently up to date as per Microsoft Update.Client machines are Windows 2000 and currently we are replacing these with Windows XP.GPO processing works perfectly with the 2K clients, yet not with XP...Whenever...
- Tags: Microsoft Windows, Microsoft Windows XP, GPO, StormRage, Userenv Event Category
- Discussion threads 2007-10-12
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