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VOIP APPLICATION

Topic Zone

Latest News

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.
Facetime peers inside Skype encryption

Security vendor FaceTime Communications has released the only security product on the market allowed to look at encrypted instant messages sent between Skype users.
VoIP applications to be embedded in websites

A Californian company is to launch a product that to let developers create telephony applications they can embed in web pages.

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.

How-tos

How to record your Skype conversation with IMCapture

How to manage traffic on your home network

Case Study: Hybrid path to convergence in Hong Kong university

Slideshows

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Featured White Papers

The top 5 VoIP problems and how to solve them

With the prevalence of Voice over IP and Streaming Video applications within the enterprise, it is important to understand the most common problems encountered during implementation. This paper examines each of these problems and addresses how quick and easy the ClearSight Analyzer can be used to isolate the cause of the problem.
Download whitepaper

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.
Download whitepaper

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.
Download whitepaper

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.
Download whitepaper

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
Download whitepaper

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