Voice networking and VoIP
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News
01 Dec 2023
Cologne Bonn Airport extends Tetra digital radio network
German Airport taps Motorola Solutions in 10-year agreement to provide essential radio technology supporting safe and reliable airport services Continue Reading
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News
29 Nov 2023
AI to drive Zoom to new levels in 2024
Collaboration and communications company’s GenAI technology to be cornerstone of hybrid workspace where technology aligns with real user needs Continue Reading
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News
24 Jan 2008
Early adopters of unified communications need to ask about security
Unified Communications complicates security, which means special care is needed to extract value from the technology. Continue Reading
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News
08 Jan 2008
Unified communications market predictions for 2008
Analyst Zeus Kerravala gives his UC market predictions for 2008 so you can get a head start on implementation within your organisation. Continue Reading
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News
27 Dec 2007
Kris Kringle's guide to Mobility
Many see mobility as the next step from VoIP. It was hot in 2007, and it will remain so in 2008. So get some reading done before the new year comes in. Continue Reading
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News
20 Dec 2007
Holiday IPv6 reading guide
IPv6 was a controversial topic in 2007, and for good reason. Learn more in our holiday guide to IPv6. Continue Reading
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Tip
18 Dec 2007
Best practices for instant messaging security
In this tip, Brien Posey details the steps you can take to protect your organisation from security problems when implementing an instant messaging system. Continue Reading
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News
18 Dec 2007
IMS: Moving from legacy to convergence
This chapter download discusses migration plans to move service providers to IMS in well-planned, business-savvy phases. Continue Reading
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News
16 Dec 2007
VoIP sales up; Cisco admits security hole; Sipera releases top five vulnerabilities list
This week's news featured VoIP sales increasing, Cisco admitting a serious security hole, and the year's top five VoIP security holes. Continue Reading
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News
11 Dec 2007
How to be future-ready for IP telephony
IP telephony confidence comes from being future-ready and having a scalable network that can adapt to new market trends. Continue Reading
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Tip
06 Dec 2007
Building a UC strategy
To create a UC strategy, you must first understand your current business processes and incorporate your business partners into the strategy. Continue Reading
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News
03 Dec 2007
Voice over wireless LAN deployment requires constant maintenance
Learn how to monitor, troubleshoot and maintain your voice over wireless LAN (VoWLAN) deployment. Continue Reading
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News
02 Dec 2007
Confused about unified communications?
Can you define unified communications, or are you still trying to find a common vendor definition? Gary Audin sheds some light on the vendor meaning of UC. Continue Reading
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News
27 Nov 2007
Enterprise collaboration tools from consumer market
Consumer-based collaboration tools are finding their way into the enterprise. IT departments can fight the trend, give up and ignore it, or embrace it. Continue Reading
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Tip
20 Nov 2007
Voice quality and MOS
Defining the nine elements of voice quality and Mean Opinion Score (MOS), the standard numeric value used to measure and report on voice quality. Continue Reading
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News
14 Nov 2007
Defining unified communications
Read how industry pundits are defining unified communications. Continue Reading
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News
11 Nov 2007
IPTV Crash Course: Chapter 3: The Technology of IP Networks
IPTV service utilises basic IP network technology to broadcast television using the internet. Continue Reading
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Feature
06 Nov 2007
Managed VoIP keeps regatta's communications afloat
The world's largest rowing regatta utilises managed VoIP to ease its year-round communications needs -- and for a temporary system during its celebrated two-day event. Continue Reading
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News
30 Oct 2007
Microsoft's OCS is finally here, for better or for worse
Zeus Kerravala reports on the long-awaited Microsoft OCS launch. Find out the pros and cons of OCS. Continue Reading
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News
30 Oct 2007
Non-unified communications can cost millions
Fragmented communications are costing companies millions of dollars by disrupting workflow and business processes, a new study has revealed. Continue Reading
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News
29 Oct 2007
Unified communications platform gets SMB twist
While unified communications has eluded the SMB market, Siemens has released an all-in-one UC appliance specifically for the SMB. Continue Reading
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News
25 Oct 2007
Asterisk creator: Consider open source VoIP, think twice about hybrid-hosted
Asterisk creator Mark Spencer clarifies his position on hybrid-hosted VoIP, and discusses open source VoIP and what it means for business users. Continue Reading
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News
23 Oct 2007
Bringing QoS to end-user standards
The phone call setup experience and perception of voice quality are the biggest factors contributing to the user's satisfaction. However, while the dialing experience can be objectively measured, the caller's judgment of voice quality is subjective. Find out which four factors end users expect and how to meet those specifications. Continue Reading
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News
21 Oct 2007
VoIP certification credentials
Many certifications touch on voice over IP topics tangentially, but numerous credentials now focus a fairly substantial portion of their coverage on this subject matter. In this certification survey, we take a look at available certifications, distinguishing between those credentials for which VoIP is a primary topic and those for which it is secondary. Continue Reading
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News
15 Oct 2007
VoIP certification credentials
Looking for VoIP skills? Want to know how to hire a VoIP specialist? This list of VoIP certifications and the skills they impart should be useful reading! Continue Reading
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News
10 Oct 2007
Unified communications new priority for HP
Unified communications is a confusing area with a number of vendors in the mix. HP has launched new services to help ease companies into unified communications and help them determine which integrated tools will best fit their business goals. Continue Reading
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News
10 Oct 2007
Securing VoIP Networks Chapter 7: Key Management Mechanisms
Key management is a fundamental part of protecting Internet multimedia applications like VoIP, but the protocols can be difficult to design. Continue Reading
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News
10 Oct 2007
Unified communications new priority for HP
HP has launched unified communications (UC) services to help companies find and design a UC deployment that is right for their business. Continue Reading
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News
07 Oct 2007
IP telephony adoption rising, quality sagging
IP telephony adoption continues to grow, but service quality is lagging behind, according to a user survey from Psytechnics. Continue Reading
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Feature
07 Oct 2007
IP PBX eases VoIP transition for gas company
An IP PBX with Sip helped one gas company upgrade to a new phone system while also jumping into VoIP. Continue Reading
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Feature
01 Oct 2007
How to select the right IP PBX
Selecting the right IP PBX system for your company can be complicated. Here are some important things to consider when purchasing an IP PBX. Continue Reading
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News
01 Oct 2007
How to select the right IP PBX
Selecting the right IP PBX system for your company can be complicated. Here are some important things to consider when purchasing an IP PBX. Continue Reading
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News
20 Sep 2007
Australians more tech-aware
Telecommunications and the internet are becoming increasingly embedded in the lives of Australians, says an ACMA survey. Continue Reading
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News
20 Sep 2007
Unified communications an 'uphill battle' for Microsoft
Unified communications is going to be a tough sell for Microsoft, which is looking to eliminate the PBX and go all software. Continue Reading
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News
19 Sep 2007
End-to-end network management enables reliable VoIP, unified communications
Monitoring voice quality, service availability, and security conditions are discussed in this Q & A with Gurmeet Lamba of Clarus Systems. Continue Reading
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News
16 Sep 2007
Communications-as-a-service taking hold
Communications-as-a-service is taking hold worldwide as a viable hosted IP telephony system. Continue Reading
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News
09 Sep 2007
VoIP, unified communications prompt new technologies, threats
Wireless voice servers and handsets, VoIP and unified communications threats, and licensing agreements constitute recent changes in the VoIP market. Continue Reading
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Feature
06 Sep 2007
Understanding VoWLAN
Like VoIP, VoWLAN contributes to cost efficiency. Because calls can be routed over the data network internally or over the Internet externally, mobile telephony costs can be eliminated or decreased significantly. In the long term, VoWLAN deployment is a significant step toward interoperability and seamless mobile connectivity between private WLANs and public wireless and cellular networks. Continue Reading
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News
31 Aug 2007
Cisco issues CallManager security update
Security flaws in Cisco CallManager and Unified Communications Manager could be exploited for cross-site scripting and SQL injection attacks, but a security update is available. Continue Reading
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News
28 Aug 2007
VoIP, unified communications study reveals challenges
VoIP and unified communications deployments can affect other applications. A study by Network General highlighted some challenges introduced by convergence. Continue Reading
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News
27 Aug 2007
VoIP, unified communications study reveals challenges
VoIP and unified communications deployments can affect other applications. A recent study by Network General highlighted some of the challenges introduced by convergence. Continue Reading
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News
22 Aug 2007
Australian telecoms growth predicted to fall
Research consultancy BuddeComm has predicted the Australian telecoms market will grow just 2.8% in the 2008 financial year to $36.3 billion, driven predominantly by data and broadband services. This is down from the 3.1% estimated this financial year. Continue Reading
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Feature
22 Aug 2007
VoIP performance management abounds at VoiceCon
VoIP performance management tools were announced at VoiceCon, signaling a shift in focus from infrastructure to end-user experience. Continue Reading
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News
21 Aug 2007
VoIP performance management abounds at VoiceCon
VoIP performance management tools announced at VoiceCon show that vendors are focusing on user experience over infrastructure. Continue Reading
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News
21 Aug 2007
Hosted VoIP: Take the headache and heartache out of VoIP, Part 2
Part 2 of this series investigates the QoS and security issues of the hosted VoIP model. Continue Reading
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Feature
21 Aug 2007
Hosted and managed VoIP fundamentals
Adoption rates of hosted VoIP and managed VoIP are increasing as more companies look to reduce the costs and complexities of deploying VoIP in house. Enterprises are factoring revenue growth, enhanced productivity and communication services into ROI calculations to make a business case for hosted or managed VoIP. This guide explains the differences between hosted and managed VoIP solutions and will help you decide if outsourcing VoIP is right for your organization. Continue Reading
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News
20 Aug 2007
Hosted VoIP: Take the headache and heartache out of VoIP, Part 1
No matter what size network an enterprise is running these days, large and small alike are faced with increasing technical and financial challenges. Continue Reading
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News
16 Aug 2007
Voice over IPv6: Architectures for Next Generation VoIP Networks
VoIP technolgies are not immune to system failures, from hacking to jitter, and these issues can present problems for companies who depend on their network. This chapter examines some of the issues that are faced by VoIP systems, focusing on those that can be addressed by IPv6, namely scalability and end-to-end robustness. Continue Reading
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News
15 Aug 2007
VoIP models and services: Complete guide
With clear, concise explanations of existing VoIP business models and deployment methodologies, this guide will enable you to weigh the pros and cons of each based on your needs. Continue Reading
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Feature
15 Aug 2007
Asterisk PBX solves enterprise's growing communication problem
An Asterisk-based PBX proved to be the solution to one enterprise's communications growing pains. Continue Reading
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News
14 Aug 2007
QoS -- What voice managers need to know
Quality of Service (QoS) technologies can be quite confusing between technical complexities and marketing jargon. In this tip, find out what voice managers need to know about QoS as it relates to VoIP. Continue Reading
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Feature
12 Aug 2007
VoIP models and services: Complete guide
With clear, concise explanations of existing VoIP business models and deployment methodologies, this guide will enable you to weigh the pros and cons of each based on your needs. Continue Reading
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News
12 Aug 2007
Implementing video on demand
Video on demand (VoD), in at least some of its potential service models, is perhaps the most challenging of all network applications. Implementation of VoD should be should be undertaken in three particular steps. Continue Reading
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News
09 Aug 2007
VoIP vulnerability threatens data
VoIP vulnerabilities have now reached a level of sophistication that allows hackers to steal, view or delete data. Continue Reading
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News
08 Aug 2007
NAS appliance specifications
NAS appliances are noted for their convenience, offering dedicated internal storage that is relatively straightforward to identify and manage. The biggest issue for NAS appliances is avoiding network bottlenecks and supporting expansion without having to proliferate additional appliances across the network. The product snapshots in this chapter highlight key specifications for a cross section of major NAS appliance products. Continue Reading
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News
07 Aug 2007
Application-aware storage promises intelligence and automation
Storage professionals overbuy both performance and capacity in an effort to forestall potential storage problems. Tiered storage was one way to address this problem -- matching storage resources and costs with the value of data. Today, storage is poised to build on this notion with application-aware storage, using business policies to bring autonomy and intelligence to enterprise storage. Still, there is a great deal of confusion surrounding this technology, its capabilities and its deployment. Continue Reading
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Tip
07 Aug 2007
BT's SDK for do-it-yourself VoIP apps
BT's SDK takes the complexity out of VoIP application development. Continue Reading
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Feature
07 Aug 2007
How to cheat at VoIP Security
Securing a VoIP infrastructure requires planning, analysis, and detailed knowledge about the specifics of the implementation you choose to use. Continue Reading
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Feature
06 Aug 2007
Disaster recovery and business continuity fundamentals
The importance of disaster recovery and business continuity planning has been underscored in the wake of Hurricane Katrina, the Avian flu and 9/11. As important as maintaining continuous communications in a disaster is staying connected when random, fluke incidents occur. Find out how VoIP can keep your communications flowing through natural disasters, unexpected incidents or anything else that can disable your network. Continue Reading
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News
06 Aug 2007
Video networks: The fundamental structure
Video delivery, content network, IPTV, triple play -- these are just a few of the terms used today for video over broadband data networks. This concept of video networks is an increasing challenge, and like most network challenges, this one is influenced by technology, business and regulatory factors. Continue Reading
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News
05 Aug 2007
Understanding IMS (IP Multimedia Subsystem)
IMS (IP Multimedia Subsystem) is an emerging architectural framework, based on SIP and IP, for offering multimedia and VoIP services, as well as fixed mobile convergence. This tip explains exactly what the architecture behind IMS. Continue Reading
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News
01 Aug 2007
Black Hat 2007: VoIP security reaches tipping point
VoIP security is as bad today as it was a couple years ago, industry experts say. But PGP creator Phil Zimmermann thinks his new Zfone software will help turn the tide. Continue Reading
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News
01 Aug 2007
Cisco knocks out Avaya as IP PBX heavyweight
IP PBX adoption is rising as Cisco and Avaya square off for market dominance. Continue Reading
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News
01 Aug 2007
Black Hat 2007 preview: Blue Pill under scrutiny
Among the highlights at the year's most anticipated hacker event, vulnerability researchers will challenge Joanna Rutkowska's Blue Pill concept. They'll also pick apart flaws in VoIP, NAC and Web applications. Continue Reading
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Tip
31 Jul 2007
Beyond Asterisk -- Other open source PBXs
Asterisk is the most widely known open source PBX, but other developers are making competitive products in the unified communications market. Learn more in this tip from Gary Audin. Continue Reading
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News
31 Jul 2007
VoIP services spell trouble for telcos
The rise of VoIP is paving the way for companies that haven't traditionally sold voice services to do so. Telcos slow to move will be hard pressed to keep up Continue Reading
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Feature
30 Jul 2007
Justifying VoIP deployment without cost-analysis
VoIP and UC deployment ROI can be measured using non-financial metrics. Learn more about VoIP ROI in this article from Yankee Group's Zeus Kerravala. Continue Reading
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News
29 Jul 2007
VoIP services spell trouble for telcos
The rise of VoIP is paving the way for companies that haven't traditionally sold voice services to do so. Risk-adverse telcos slow to move in this rapidly changing environment will be hard pressed to keep up with more agile competitors. Continue Reading
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News
26 Jul 2007
Justifying VoIP deployment without cost-analysis
VoIP and unified communications deployments remain sluggish, as network managers look for ways to justify the cost of the infrastructure and system upgrades. Non-financial return on investment (ROI) metrics can be used as a way to augment the limited financial measurements available to companies to prove that the shift to VoIP does indeed have business value. Continue Reading
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News
25 Jul 2007
VoIP solution centre answers users' questions
A new VoIP performance management solution center on Fluke Networks' Web site helps IT professionals to answer some of their VoIP network questions. Continue Reading
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Tip
23 Jul 2007
Open source PBX: Risk or value?
Open source IP PBX systems like Asterisk have benefits and risks. Learn what they are and assess your readiness for the IP PBX implementation in this tip from Gary Audin. Continue Reading
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News
22 Jul 2007
Black Hat Las Vegas 2007: Special news coverage
SearchSecurity.com covers all the controversy at this year's show with news, features, podcasts, interviews, exploits and more direct from Las Vegas. Continue Reading
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News
19 Jul 2007
VoIP performance testing fundamentals
This guide discusses why it is important to run regular VoIP network performance testing and some of the ways it can be done. Continue Reading
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News
17 Jul 2007
Unified communications infrastructure threats and defense strategies
Unified communications systems promise exciting productivity gains for workers and cost savings for businesses, but many often underestimate the security threats facing them. John Burke outlines the threats facing unified communications and how to defend against them. Continue Reading
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News
10 Jul 2007
Updating a QoS strategy for VoIP traffic
Learn how to update your QoS strategy for VoIP traffic in this tip from Tom Lancaster. Continue Reading
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News
09 Jul 2007
Unified messaging system updates company's voicemail
Installing a new unified messaging system helped one company in its daily struggles with an outdated voicemail system. Continue Reading
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News
28 Jun 2007
SIP fundamentals
Session Initiation Protocol (SIP) will allow true interoperability, eventually enabling every IP-based device and application to communicate seamlessly with one another. This guide discusses some of the basics of SIP, including vulnerabilities, testing and hardware. Continue Reading
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News
27 Jun 2007
Instant messaging usage increase highlights need for policies
Instant messaging is a valuable business tool for some enterprises. For others, it's a security risk. Either way, a recent Burton Group report suggests that all companies should have an IM usage policy, even if they haven't deployed IM yet. Continue Reading
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Tip
25 Jun 2007
VoIP/IP Telephony vendor security solutions
Are vendors' VoIP security features all you need, or is it prudent to buy additional security tools to lock down your network? Continue Reading
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News
25 Jun 2007
Instant messaging usage increase highlights need for policies
A Burton Group report suggests that all companies should have an IM usage policy, even if they haven't deployed IM yet Continue Reading
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News
24 Jun 2007
VoIP performance testing fundamentals
VoIP network performance testing can mean the difference between a VoIP system working at a high level QoS and a weak system that runs so poorly customers could take their business elsewhere. This guide discusses why it is important to run regular performance testing and some of the ways it can be done. Continue Reading
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News
19 Jun 2007
Securing the enterprise VoIP perimeter
How to make VoIP work without sacrificing firewalls or network perimeter security. Continue Reading
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News
17 Jun 2007
VoIP security testing fundamentals
Testing your VoIP security system against all the threats that exist on the network can be a full time job. This guide documents how a VoIP system can be tested and suggest some of the available tools to use -- with a focus on fuzzing tools and methods. Continue Reading
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Tip
17 Jun 2007
What's in a VoIP packet -- An introduction to bandwidth for VoIP
Learn what makes up a VoIP packet, how headers work, what protocols transport voice traffic over the Internet and how this traffic uses network bandwidth. Continue Reading
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News
14 Jun 2007
AIIA outlines federal election wish list
The Australian Information Industry Association (AIIA) has released its policy expectations for political parties in the upcoming 2007 federal election. Continue Reading
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News
12 Jun 2007
VoIP call quality and reporting software improves QoS
Technology developed to power IPTV networks is also helping improve VoIP quality of service. Continue Reading
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Feature
08 Jun 2007
Deploying VoIP: Five things every CIO should know
Navigating the complexity of a VoIP deployment can be overwhelming and it may seem like you need a technical degree to understand it. Here are five tips to help steer through the fog of a VoIP migration. Continue Reading
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News
08 Jun 2007
VoIP market evolves in 2007
VoIP will see market changes this year as IP PBX sales increase and market leaders shift their focus. Continue Reading
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News
07 Jun 2007
VoIP performance testing fundamentals
VoIP network performance testing can mean the difference between a VoIP system working at a high level QoS and a weak system that runs so poorly customers could take their business elsewhere. This guide discusses why it is important to run regular performance testing and some of the ways it can be done. Continue Reading
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News
05 Jun 2007
Avaya to merge with Silver Lake and TPG Capital
Telephony giant Avaya will be acquired by a private equity firm. Continue Reading
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News
04 Jun 2007
Deploying VoIP: Five things every CIO should know
Navigating the complexity of a VoIP migration can be overwhelming. Here are five tips to help steer through the fog of a VoIP deployment. Continue Reading
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Feature
04 Jun 2007
Unified communication case studies: What you need to know
Learn how others overcame the expected and the unexpected challenges of a UC deployment in our case studies. Continue Reading
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Feature
01 Jun 2007
WAN storage guide -- Chapter 1: WAN basics
The implications of WAN connectivity have had a profound influence on networking. We look at some of the practical WAN issues, such as bandwidth, cost, latency and reliability. Continue Reading
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News
01 Jun 2007
Check Point promises more VoIP security, fewer slowdowns
Check Point's enhanced Open Performance Architecture is designed for deeper security of technologies like VoIP without the network performance problems that often come with it. Continue Reading
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News
31 May 2007
VoIP rush heats up cooling debate
Increased VoIP adoption is putting pressure on data centres' power and cooling requirements Continue Reading
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News
31 May 2007
Cisco, Nortel frontrunners in Avaya acquisition rumors
Cisco and Nortel are said to be amongst those circling the still-live body of VoIP vendor Avaya, but analysts disagree on which, and why. Continue Reading
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News
29 May 2007
The wireless future offers plenty of voice possibilities
Farpoint Group's Craig Mathias surveys the future of wireless networks and their ability to carry voice traffic. Continue Reading
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News
25 May 2007
VoIP advice from the trenches
ITKE, or ITKnowledge Exchange, is simply a cool (and quick) way to get a response to your VoIP-related questions. Continue Reading
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News
22 May 2007
Mitel acquires Inter-Tel, signaling more consolidation to come
Mitel acquired Inter-Tel last week, signaling a trend toward vendor consolidation in the VoIP market and creating stronger options for SMBs. Continue Reading
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News
21 May 2007
Mobile instant messaging enhances company's business processes
A mobile IM service acquired by a hosted VoIP provider encourages more companies to enhance their business processes. Continue Reading
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Tip
20 May 2007
Manipulating VoIP Security
This tip provides an extensive list of sites that track and document VoIP attack tools. Continue Reading
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News
17 May 2007
VoIP security fundamentals
VoIP security is a challenge for IT staff because IP telephony brings with it not only the security problems of data networks but also new threats specific to VoIP. In this fundamentals guide, learn about network security threats and emerging IP telephony threats, and how to secure your VoIP systems and endpoints from them. Continue Reading