News

Voice networking and VoIP

February 19, 2007 19 Feb'07
What is presence?

Presence technology makes it possible to locate and identify a computing device wherever it might be, as soon as the user connects to the network.
February 14, 2007 14 Feb'07
VoIP complexities stall implementation for SMBs

VoIP sales in the SMB market are predicted to lead revenue in the next several years, but most SMBs are confused by the number of different solutions.
February 14, 2007 14 Feb'07
Cisco VoIP managment guide: Required management tasks

Comprehensive VoIP management includes the basic network management tasks, but also includes monitoring services such as dial tone delivery, call success rates, telephony delays and impairments, as well as call quality. VoIP telephony management is ...
February 12, 2007 12 Feb'07
Skype makes more enterprise inroads

Skype has teamed with FaceTime Communications to give companies more control over Skype use within the enterprise.

February 11, 2007 11 Feb'07
VoIP helps ensure disaster recovery

VoIP bolsters your disaster recovery plans and should be at the core of any well-planned disaster recovery strategy.
February 11, 2007 11 Feb'07
VoIP helps ensure disaster recovery

VoIP bolsters your disaster recovery plans and should be at the core of any well-planned disaster recovery strategy.
February 10, 2007 10 Feb'07
Cisco VoIP management guide: VoIP management lifecycle

VoIP lifecycle management enables enterprises to safely pursue large production deployments. The management lifecycle includes the following four elements.
February 10, 2007 10 Feb'07
Cisco VoIP management guide: Enterprise VoIP management solutions

Enterprise VoIP management solutions require two considerations: the scale of production environment and the need to extend support resources with a systems integrator or service provider.
February 10, 2007 10 Feb'07
Cisco VoIP management guide: Cisco requires proactive management

Managing Cisco VoIP solutions means network managers must rely on credible, experienced vendors to some extent. Fortunately, many vendors have emerged as trusted, viable partners that can offer an end-to-end management solution for Cisco VoIP ...
February 10, 2007 10 Feb'07
Cisco VoIP managment guide: Required management tasks

Comprehensive VoIP management includes the basic network management tasks, but also includes monitoring services such as dial tone delivery, call success rates, telephony delays and impairments, as well as call quality. VoIP telephony management is ...

February 10, 2007 10 Feb'07
Cisco management guide: Selecting a VoIP solution

Selecting a VoIP solution means deciding on independent VoIP tools or a VoIP solution suite of integrated products.
February 10, 2007 10 Feb'07
Cisco VoIP management guide: Recommendations and summary

Enterprises now have solid choices of management solutions for their Cisco VoIP deployment. The short list for any enterprise should include Prognosis, Infovista, or Cisco.
February 10, 2007 10 Feb'07
Cisco management guide: Selecting a VoIP solution

Selecting a VoIP solution means deciding on independent VoIP tools or a VoIP solution suite of integrated products.
February 10, 2007 10 Feb'07
Cisco VoIP management guide: Recommendations and summary

Enterprises now have solid choices of management solutions for their Cisco VoIP deployment. The short list for any enterprise should include Prognosis, Infovista, or Cisco.
February 07, 2007 07 Feb'07
VoIP capabilities save hotel money, keep guests connected

"Rip and replace" were three words the Seaport Hotel in Boston didn't want to hear when considering VoIP capabilities.
February 07, 2007 07 Feb'07
EMC plans array-based encryption via PowerPath

EMC's next security move will be array-based encryption through PowerPath by 2008, according to internal documents obtained by SearchStorage.
February 07, 2007 07 Feb'07
VoIP security, unified communications need questioned

VoIP security issues and questions about the business need for unified communications have stalled adoption of both technologies.
February 05, 2007 05 Feb'07
VoIP security, unified communications need questioned

VoIP security issues and questions about the business need for unified communications have stalled adoption of both technologies, according to CompTIA's recent survey.
February 04, 2007 04 Feb'07
Open source - What voice managers need to know

Open source technology can make sense for VoIP deployments, and can be used in a hybrid approach with existing proprietary hardware or software. Learn more in this tip.
January 31, 2007 31 Jan'07
What is an E&M line? What is the difference between a 2 wire and 4 wire E&M?

What is an E&M line? What is the difference between a 2 wire and 4 wire E&M?
January 29, 2007 29 Jan'07
Managed VoIP -- 10 tips for a smooth migration

Migrating to managed VoIP doesn't have to be a headache. Here, Verizon Business offers 10 top tips to ensure you get what you need.
January 29, 2007 29 Jan'07
VoIP call features give users more bang for their buck

2006 saw an increase in the popularity of VoIP and encouraged many competing service providers to offer features such as voicemail and Caller ID as standard in their best-selling service plans.
January 24, 2007 24 Jan'07
iSCSI SANs grow in midmarket, enterprise

Because transporting "SCSI over IP" leverages ubiquitous Ethernet networks, that translates to lower cost, easier maintenance and simpler management, which makes SAN deployment more attractive for SMEs.
January 24, 2007 24 Jan'07
RSVP ready to manage VoIP, video traffic

Though its 10 year past was riddled with failures, RSVP is fast returning as one of the best tools for managing QoS for VoIP and video.
January 18, 2007 18 Jan'07
Can Caller ID on VoIP calls be customized?

Can I create the CID, name, area code and phone number that will display when I place a call via VoIP? Who do you like for VoIP service?
January 18, 2007 18 Jan'07
What considerations do I need to make when setting up a VoIP system to our remote office?

What considerations do I need to make when setting up a VoIP system to our remote office?
January 18, 2007 18 Jan'07
WAN/WAFS platform specifications

Product snapshots highlighting key specifications for a cross section of WAFS and WAN optimisation products intended for small, medium, and large organisations.
January 17, 2007 17 Jan'07
VoIP security testing fundamentals

VoIP security testing fundamentals are discussed in this guide -- how to test a VoIP system, what tools to use, how to use fuzzing to test VoIP security.
January 09, 2007 09 Jan'07
Network configuration management key to VoIP success

While companies spend millions on upgrading infrastructure for VoIP, little attention is given to solving the largest source of downtime – configuration-related outages due to human error.
January 09, 2007 09 Jan'07
Network configuration management key to VoIP success

While companies spend millions on upgrading infrastructure for VoIP, little attention is given to solving the largest source of downtime â€“ configuration-related outages due to human error. A well-defined change management process built around a ...
January 08, 2007 08 Jan'07
Convergence, interoperability key in disaster planning

Convergence and interoperability are major factors in ensuring communications continuity in a disaster.
December 21, 2006 21 Dec'06
Skype Trojan: Much ado about nothing?

This week in Security Blog Log: A Trojan horse has captured headlines by targeting Skype users. But some believe the threat is being blown out of proportion.
December 18, 2006 18 Dec'06
VoIP hacking exposed in new book

VoIP hacking is a reality, and in a new book, two VoIP security experts outline the tools and tricks to avoid a system-crushing hack.
December 17, 2006 17 Dec'06
Top 10 VoIP tips of 2006

Echo and latency issues top the list in 2006, as seen in our top 10 list of most popular tips. If you have missed any of these tips, now is the time to catch up before the end of the year.
December 13, 2006 13 Dec'06
Hosted VoIP eliminates cost, complexity

Hosted VoIP is being adopted at increasing rates as more and more companies look to avoid the excess costs and complexities of on-premise solutions.
December 13, 2006 13 Dec'06
VoIP management tools: Calculating ROI

Before purchasing management tools for VoIP, you may need to calculate the return on investment (ROI) to justify the cost of those tools. In this tip, Gary Audin explains how to calculate ROI and provides specific checklists for calculating the ROI ...
December 13, 2006 13 Dec'06
Hosted VoIP eliminates cost, complexity

Hosted VoIP is being adopted at increasing rates as more and more companies look to avoid the excess costs and complexities of on-premise solutions.
November 29, 2006 29 Nov'06
Video conferencing brings desktop VoIP, app sharing

Voice, video and Web conferencing vendor Genesys adds desktop VoIP and enhanced application sharing to its collaboration lineup.
November 26, 2006 26 Nov'06
Managed and hosted VoIP: muddling through

Managed and Centrex and hosted, oh my! For companies looking for an alternative to a premise-based phone system, there are plenty available, and they come in all shapes and sizes. Get a clearer understanding of exactly what's available so you can ...
November 16, 2006 16 Nov'06
How can a small business achieve high quality VoIP?

As a small trader, I must be able to communicate with my trading partners who are often in other countries. We use IP telephony to keep costs down. Can you suggest how I can have high quality VoIP calls that will exceed PSTN call quality?
November 16, 2006 16 Nov'06
Why do VoIP calls remain active after the phone call is ended?

For our small business needs, we use a Linksys PAP for our IP telephony service. Sometimes though, we noticed that the call will remain active after we have ended the call and hung up. How do we configure the ATA or gateway to avoid this problem?
November 16, 2006 16 Nov'06
Why is UDP used more in VoIP than TCP?

If UDP is unreliable, why is it used more in VoIP rather than TCP?
November 16, 2006 16 Nov'06
What is the difference between VoIP, CTI and IP telephony?

What is the difference between VoIP, CTI (Computer Telephony Integration) and IP telephony?
November 16, 2006 16 Nov'06
Can VoIP work on a GPRS-enabled mobile phone?

Is it possible to use VoIP on GPRS-enabled mobile phones?
November 16, 2006 16 Nov'06
When should a VoIP system be analyzed and with what tools?

We have recently implemented a VoIP network with separate VLANs and QoS. It all seemed to be working fine when it first went in, but recently, certain people have been complaining about sound breakup whilst talking to customers on the phone.
November 16, 2006 16 Nov'06
VoIP news briefs: Verizon Business, TheInfoPro and Ovum

Verizon Business introduces a new management portal; TheInfoPro looks at the rate of VoIP adoption; and Ovum warns of VoIP security threats.
November 15, 2006 15 Nov'06
How is average repair time determined for both a TDM PBX and a VoIP system?

I am trying to find some statistics on average time to repair or troubleshoot VoIP and TDM PBX. We heard PBX takes 30 minutes versus VoIP at 4.5 hours -- is this true?
November 15, 2006 15 Nov'06
How can VoIP be integrated into an existing PBX system?

I am trying to integrate VoIP into my existing PBX system. I have a Talkswitch 48CVA which supports both PSTN and VoIP lines. My main phone number is a landline which forwards calls to my VoIP line when my status is busy or I do not answer.
November 14, 2006 14 Nov'06
SANS: VoIP, zero-day threats surge

Digital miscreants are using VoIP and a growing pile of zero-day flaws to launch a ferocious wave of targeted, financially-motivated attacks, according to the SANS Institute.
November 13, 2006 13 Nov'06
IM, Skype, P2P open security holes: Survey

IM, Skype, Web conferencing and other real-time applications are a major concern to IT, but end users seem to shrug off the risks, a new survey has found.