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Topic Zone

Latest News

  • Syrian Electronic Army hacks into Viber support website

    The hacker group calling itself the Syrian Electronic Army (SEA) broke into the customer support website for Viber, an instant messaging and Voice-over-Internet-Protocol (VoIP) application available for both mobile and desktop operating systems.

  • Skype to sell prepaid cards at Asda and Sainsbury's

    Skype has teamed up with five of the UK's biggest high street names ? Asda, Currys, PC World, Sainsburys' and WHSmith ? to offer Skype Prepaid Cards in the gift card sections of their stores.

  • iPhone now offers Internet calls over 3G

    Voice over IP applications for the iPhone are now able to offer calls over cellular networks as both iCall and Fring updated their apps to support calls over 3G cellular networks.

  • Skype updates Apple iPhone application

    Skype has released the latest version of its application for the iPhone, adding new features and fixing a couple of annoying bugs that hung up calls.

  • AT&T denies blocking Google Voice

    AT&T has denied that it interfered in the rejection of the Google Voice iPhone application. And Apple said that it was still reviewing the decision.

  • Microsoft bars VoIP from Windows Mobile apps

    Voice-over-IP applications will be forbidden from Microsoft's Windows MarketPlace for Mobile store, along with programs that are larger than 10MB or that change the default browser on a device.

  • Skype under attack for iPhone restrictions

    Regulatory authorities in the US and Europe have been asked to investigate Skype's implementation on iPhone, specifically that it works via Wi-Fi only and not through a 3G connection.

  • Skype offered on iPhone... finally

    Skype is set to launch a mobile application for the iPhone, a long-awaited entry to Apple's App Store, and one for BlackBerry devices in May, Skype officials have confirmed.

  • Businesses risking 'long-term pain' with Skype

    Companies are being warned that Skype is not a 'quick fix' VoIP solution for businesses, and they risk "long-term pain" when deploying such VoIP applications, despite achieving a "short-term gain". So says security testing vendor NTA Monitor.

  • iPhone gets 802.1x authentication

    Apple has given the iPhone the ability to log in securely to enterprise networks, boosting its credentials as a business device. The latest software also supports new third party applications including VoIP.

Latest Features

  • A simple guide to Deep Packet Inspection

    Most of us don't visit websites suspected of illegally distributing copyrighted material, so blocking us from accessing them seems harmless. But should your ISP ever be legally obligated to prevent you from accessing restricted websites, it will have to find a way to monitor your online activity, and that could cause your privacy to be compromised if your ISP employs deep packet inspection tools to keep tabs on you.

  • Network neutrality and protocol discrimination

    In an ideal Internet all packets would be treated as equal by the Internet Service Providers (ISP) and backbone operators who transport them across cyberspace. Unfortunately, this is not always the case since many ISPs restrict or completely block Internet access to some services by discriminating against certain network protocols.

  • VoIP is the next big hack

    Peter Cox discusses his proof-of-concept VoIP hacking tool - and why people need to take the vulnerability of running phone calls over an IP network seriously.

  • Routing for Sweden

    What the Redback acquisition means to Ericsson.

  • The five fallacies of endpoint security

    Before dismissing this as another round of marketing jargon, consider this: the endpoint proponents might have a point.

  • Who's afraid of Skype?

    It's been described as the cutting edge of application aggression. To some companies that sounds like a problem in the making.

  • What's Cisco's game in two-way radio?

    Ciscos's IPICS is designed to link emergency services. But there's more to it than that, says the company's chief development officer.

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The top 5 VoIP problems and how to solve them

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Instant Messaging, VoIP, P2P, and games in the workplace: How to take back control

Employees installing and using unauthorized applications like Instant Messaging, VoIP, games and peer-to-peer file-sharing applications cause many businesses serious concern. This paper looks at why it is important to control such applications, discusses the various approaches, and highlights how integrating this functionality into malware protection is the simplest and most cost-effective solution.
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Optimizing Voice and Data Performance for Avaya IP Telephony

The nGenius® Performance Management solution from NetScout Systems, Inc. is a vital tool in helping enterprises manage and optimize their Avaya IP telephony solutions. While not replacing the important device and system management tools bundled with Avaya? Communication Manager, the nGenius® Solution provides a deeper look into the network, enabling IT managers to compare - in real time- VoIP traffic flows with those of other applications to manage bandwidth, set proper QoS policies for voice and data applications, capacity plan for future growth, and more effectively troubleshoot issues as they arise. This paper demonstrates how the nGenius Solution has the flexibility to identify and monitor virtually all data applications, converged VoIP applications and set-up protocols, as well as applications specific to Avaya Communication Manager 2.0.
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Application-based Quality of Service: For IP Video Conferencing

IP video communications and voice over IP (VoIP) applications differ from traditional data applications in that they are real-time applications, and as such, require higher bandwidth than traditional data applications. Real-time applications, especially video communications and VoIP applications, also require more stringent packet handling than non-real-time (traditional IPbased) applications. This, in turn, necessitates more network management resources to assure predictable traffic flow. Video/VoIP communications can require significant bandwidth and must receive service with minimal delay, jitter, and loss.
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A Summary of How Converged Network Analyzer Benefits Voice-over-IP (VoIP) Solutions

The Avaya Converged Network Analyzer* (CNA) provides services in a wide area-networking environment that are analogous to those provided by the global aircraft traffic control system to all of the airplanes in the air and the companies that are responsible for them. These services include: ? Monitor all of the available ?flight paths? between destinations to understand travel times, congestion delays, equipment failures and transport quality metrics ? Assess on a real-time basis to determine whether the VoIP application is receiving the appropriate levels of service from the network, based on both learned and defined business policy ? Adapt ?in-flight? to changing conditions by directing that the VoIP application use alternate paths to the destination in order to achieve an acceptable level of service
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Techworld White Papers

Choose – and Choose Wisely – the Right MSP for Your SMB

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10 Effective Habits of Indispensable IT Departments

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Gartner Magic Quadrant for Enterprise Information Archiving

Enterprise information archiving is contributing to organisational needs for e-discovery and...

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Advancing the state of virtualised backups

Dell Software’s vRanger is a veteran of the virtualisation specific backup market. It was the...

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