News

Voice networking and VoIP

  • January 23, 2007 23 Jan'07

    VoIP security barely a blip on SMBs' radar

    Neither vendors nor customers of VoIP services are paying much attention to security, experts say. But just wait until the first major security breach.

  • January 22, 2007 22 Jan'07

    VoIP toolbox

    Analyst Corner is a new column in which we round up the latest papers from the research firms that cover the IT industry. This month, analysts have highlighted how the convergence of mobile communications with voice and data networks is providing ...

  • January 19, 2007 19 Jan'07

    Microsoft and Nortel reveal roadmap for unified comms

    Microsoft and Nortel have unveiled a roadmap to help enterprises adopt unified communications platforms.

  • 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 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 – 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.

  • January 08, 2007 08 Jan'07

    Nokia unveils mobile Skype product

    Skype and Nokia have announced a joint collaboration on wireless connectivity at this week’s CES conference in Las Vegas

  • January 02, 2007 02 Jan'07

    Verisign issues VoIP security tips

    A blog written by security staff at supplier VeriSign has outlined 25 ways to secure an enterprise network that runs voice over IP (VoIP).

  • 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 19, 2006 19 Dec'06

    Broadband lines reach 264 million

    The worldwide total of broadband lines reached 263.8 million at the end of September, with a total of 16.9 million lines added over the quarter.

  • 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 18, 2006 18 Dec'06

    PacketFront adds VoIP to fibre offering with acquisition

    PacketFront, the fibre-to-the-home broadband company, has acquired voice over IP provider 42Networks of Sweden.

  • 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 14, 2006 14 Dec'06

    DECT wireless VoIP solution

    The Kirk DECT Wireless Server 600v3 is a fully scalable wireless VoIP solution to meet the needs of small to medium-sized business through to large multi-site enterprises. It provides a radio base, controller and IP interface all in one box, ...

  • 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.

  • December 12, 2006 12 Dec'06

    Microsoft releases private beta of voice server

    Microsoft has released a private beta of a new enterprise voice communications server to 2,500 IT professionals.

  • December 08, 2006 08 Dec'06

    Ofcom launches comms price comparison scheme

    Comms regulator Ofcom is to launch a price comparison scheme to make it easier for users to choose the best fixed-voice, mobile, broadband and digital TV service.

  • December 05, 2006 05 Dec'06

    Instant messaging spam on the rise, warns security firm

    E-mail security firm MessageLabs has compiled a list of security trends it expects to see emerging in 2007.

  • November 30, 2006 30 Nov'06

    VoIP, telecommunications and safety testing

    Comtest Laboratories now provides testing to the growing VoIP market to supplement the ADSL testing facility which provides the Telstra endorsement testing to IP1149 and RCIT.0004.

  • November 30, 2006 30 Nov'06

    Wick gets first piece of BT's 21CN

    The tiny village of Wick, near Cardiff, is the first conurbation in the UK to be served by BT’s new IP-based 21st Century Network (21CN).

  • 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 27, 2006 27 Nov'06

    IT directors doubt quality of web telephony services

    Most IT directors are still worried about the quality of voice over IP services, as the trend towards converging voice and data traffic onto a single data network gathers pace, a survey of 300 large European enterprises has revealed.

  • November 26, 2006 26 Nov'06

    Day-to-Day Networking: VoIP for mobile workers

    Lisa Phifer points out some important considerations to keep in mind if your mobile workforce is using Skype.

  • 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 26, 2006 26 Nov'06

    VoIP too big a 'pain' for SMBs

    VoIP has a lot to offer SMEs, but the market isn't quite ready to serve their needs. Experts say that will change with time.

  • November 20, 2006 20 Nov'06

    Act now to minimise VoIP risk, warns Ovum

    The security threat from voice over IP (VoIP) systems is still unknown, but the risk is real and enterprises must start planning now, analyst firm Ovum has warned.

  • November 20, 2006 20 Nov'06

    ICI set for big savings by switching internet traffic to DSL

    ICI is poised to sign a deal that could save it millions of pounds by allowing it to transfer non-­essential internet traffic from its wide area network onto a secure broadband link based on DSL consumer technology.

  • November 20, 2006 20 Nov'06

    IT directors still concerned about VoIP

    A survey of 300 large enterprises across Europe, published today, has found that 73% of IT directors are still worried about basic quality and reliability of Voice over IP (VoIP), despite a strong industry trend towards converging voice and data ...

  • 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

    Northamptonshire Enterprise converges five IP networks

    Northamptonshire Enterprise, a group of economic development agencies, has implemented a converged Internet Protocol (IP) network, designed and built by SAS Group.

  • November 14, 2006 14 Nov'06

    SAN overview: Chapter 3 - SAN switches

    This overview highlights characteristics of high-end switches.

  • 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

    Ovum warns on VoIP risks

    Businesses must take steps to minimise the security risks of Voice over IP (VoIP) technology before it is more widely deployed.

  • 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.

  • November 08, 2006 08 Nov'06

    Chip and Pin cuts fraud

    The introduction of chip and Pin technology has had a dramatic impact on payment card fraud, new figures have revealed.

  • November 08, 2006 08 Nov'06

    VoIP security safeguards -- they may be there already

    Protecting your VoIP system may be easier than you think, especially since many of the necessary tools are already there.

  • November 01, 2006 01 Nov'06

    Juniper Networks' enterprise router takes aim at Cisco branches

    Juniper's new branch office J-Series routers provide all-in-one security, VoIP, WAN acceleration box to rival Cisco's ISR router.

  • November 01, 2006 01 Nov'06

    VoIP convergence: Managing staffing issues

    Companies making the transition to IP telephony must find a way to converge their voice and data networks -- and the employees who work on them.

  • October 31, 2006 31 Oct'06

    Net neutrality: All or nothing, or somewhere in between?

    The notion of net neutrality can hinder VoIP QoS guarantees and thus has incited a contentious debate.

  • October 30, 2006 30 Oct'06

    IT greats: The soft machine at the heart of IT

    Productivity and communication are the functions that mark the software technologies voted the greatest in the past 40 years by Computer Weekly readers.

  • October 30, 2006 30 Oct'06

    QE2 Centre finds the time for VoIP

    The Queen Elizabeth II Conference Centre has implemented a voice over IP and wireless hotspot service, after taking three years to settle on a timeslot to carry out the upgrade.

  • October 30, 2006 30 Oct'06

    Secure instant messaging

    In this lesson, Michael Cobb offers an overview of the IM security landscape, an update on the latest attacks like Backdoor Trojan Horses and impersonation spam and some quick tips for safer IM use.

  • October 26, 2006 26 Oct'06

    Skype plays key role in BP's revamped emergency plan

    BP has put in place a multi-level communications strategy, which includes using Skype internet telephony, to keep in touch with staff in the event of a major disaster.

  • October 26, 2006 26 Oct'06

    How to keep your VoIP net safe

    One of the major challenges in implementing a converged network is having a coherent security policy for the management and control of a system that is carrying voice, video and data.

  • October 25, 2006 25 Oct'06

    Cisco launches mega videoconferencing system

    Cisco Systems Inc. has talked about TelePresence and demonstrated it, and now it's finally something enterprises can buy, but at six figures it's a high price to pay.

  • October 24, 2006 24 Oct'06

    IBM and 3Com launch single-server IP telephony

    IBM and 3Com have developed IP telephony to run on a single server along with a customer’s core business applications.

  • October 24, 2006 24 Oct'06

    How does the service provider differentiate between data and VoIP as data?

    For our mobile devices in trucks, we use GSM/GPRS communication. Our customers are paying for a certain data amount -- depending on the service package to which they subscribe. We use a modem in our device, which can do both data and voice. But as I...

  • October 24, 2006 24 Oct'06

    s SIP really better than HTTP? Follow-up to why use SIP

    In a previous question, I asked why should I use SIP when my application built on HTTP works fine. You replied that SIP provides URL dialing. Yet, so does my application, with better session routing for all packets. Would you please elaborate? Can ...

  • October 24, 2006 24 Oct'06

    Big business is unimpressed with data services

    The UK’s large businesses are far less satisfied with advanced data services than with fixed line or mobile phone services, research from Ofcom has revealed.

  • October 24, 2006 24 Oct'06

    How can choppiness during a phone call be eliminated?

    I have a WAN that consists of two LANS. On that network there are two Toshiba phone switches.

  • October 23, 2006 23 Oct'06

    Alliance looks to virtual VoIP after BT deal

    Alliance & Leicester is preparing to exploit emerging technologies, such as web telephony, after signing a deal for BT to manage its voice and data services.

  • October 23, 2006 23 Oct'06

    Comparing VoIP vendors

    For many companies, the tough decision isn't whether to use IP telephony or not -- it's which vendor to choose. We've collected some of Carrie Higbie's tips and tricks for vendor selection, garnered from her "Ask-the-Expert" section. Carrie ...

  • October 23, 2006 23 Oct'06

    Comparing VoIP vendors

    For many companies, the tough decision isn't whether to use IP telephony or not -- it's which vendor to choose. We've collected some of Carrie Higbie's tips and tricks for vendor selection, garnered from her 'Ask-the-Expert' section. Carrie ...

  • October 23, 2006 23 Oct'06

    QEII sets sail for convergence

    As part of its strategy to enhance its portfolio of public and private communications services, The Queen Elizabeth II Conference Centre (QEIICC) in London has deployed converged IP voice and data communications systems.

  • October 22, 2006 22 Oct'06

    EMC plays catch-up with Clariion

    Clariion arrays now have support for both Fibre Channel and iSCSI in one box, as well as other features that competitors have been using against EMC for some time.

  • October 19, 2006 19 Oct'06

    Xiotech, Pillar scale down, support iSCSI

    Xiotech, Pillar introduce entry-level iSCSI arrays; Overland loses Dell deal; EMC and IBM report earnings.

  • October 16, 2006 16 Oct'06

    Cisco ramps up unified communications tools

    Cisco last week released a host of new products to enhance its suite of unified communications tools, including an IP phone that's easier for end users to accept.

  • October 15, 2006 15 Oct'06

    Compellent adds WAN optimization to array software

    One user of Compellent's new StorageCenter SAN 3.5 estimated he's saved $40,000 a year in maintenance fees by dumping a third-party replication product.

  • October 11, 2006 11 Oct'06

    Does Spanning Tree Protocol have an adverse effect on VoIP?

    Do you know if Spanning Tree has an adverse effect upon VoIP? If so, what is the best way to provide LAN-based switch redundancy to VoIP gateways?

  • October 11, 2006 11 Oct'06

    Briefs: VoIP management; mobile E911; and Windows 2003 support

    Qovia releases its new VoIP management system; 911 Enable made E911 mobile and Codima announced support for Windows 2003 server.

  • October 10, 2006 10 Oct'06

    BP spells out disaster recovery plans

    Petrochemical giant BP has put in place a multi-level communications strategy which includes using Skype, to keep in touch with staff in the event of a major disaster.

  • October 10, 2006 10 Oct'06

    Anti-virus technique adds muscle to PC lock-down

    Sophos has developed an innovative anti-virus-based approach to locking down PCs.

  • October 09, 2006 09 Oct'06

    Collaboration and communication drive user frenzy over unified communications package

    Solution provider Allstream met feverish demand for its collaboration platform for unified communications that lets customers improve time to market.

  • October 03, 2006 03 Oct'06

    Space savers offer bandwidth boost

    Data compression: Buying more Wan bandwidth to meet expanding needs is still an expensive option. The smarter move is get the most out of what you already possess

  • October 02, 2006 02 Oct'06

    VoIP phones

    Zultys Technologies has announced the release of four VoIP phones to complement its existing range.

  • October 02, 2006 02 Oct'06

    Wireless VoIP extensions

    The KIRK DECT wireless server 600v3 is a scalable wireless VoIP solution designed to meet the needs of small to medium businesses through to large multi-site enterprises.

  • October 01, 2006 01 Oct'06

    Column: The myths and realities of VoIP security

    Security is often cited as one of the primary reasons organizations have not deployed VoIP. The biggest VoIP security threat is not making headlines. Zeus Kerravala, Yankee Group analyst, cuts through the hype so network managers can maximize the ...

  • October 01, 2006 01 Oct'06

    The myths and realities of VoIP security

    Security is often cited as one of the primary reasons organizations have not deployed VoIP. Kerravala, Yankee Group analyst, cuts through the hype so network managers can maximise the reliability of their voice network.

  • September 26, 2006 26 Sep'06

    Voice over IP Fundamentals: Chapter 9, 'Billing and Mediation Services'

    Voice over IP Fundamentals: Chapter 9, 'Billing and Mediation Services'

  • September 25, 2006 25 Sep'06

    IP telephony unites New Orleans nonprofit after Katrina

    Hurricane Katrina nearly disbanded the Catholic Charities Archdiocese of New Orleans, until the nonprofit rolled out a hosted voice solution

  • September 18, 2006 18 Sep'06

    VoIP user experience tested

    Most VoIP monitoring is focused on quality of service, but one new company is taking a different tack and looking at the quality of experience.

  • September 14, 2006 14 Sep'06

    Calling network management vendors: It's time to get on board with VoIP

    Despite the hype, full-scale VoIP deployments are hard to find. According to our research at Yankee Group, over 80% of U.S. enterprises have VoIP deployed somewhere in their organization in some shape or form. This includes departmental trials and ...

  • September 13, 2006 13 Sep'06

    IBM unveils Sametime 7.5 for unified collaboration

    IBM has announced the availability of Lotus Sametime 7.5, which helps businesses to extend collaboration beyond instant messaging and web conferencing to unified business collaboration.

  • September 12, 2006 12 Sep'06

    Is there a generic blueprint for an IP-based call center?

    Is there a generic blueprint for an IP-based call center? Where could I find one?

  • September 11, 2006 11 Sep'06

    VoIP still a confusing area for SMBs

    A study released at today's VON conference in Boston suggests that SMBs -- despite their growing use of VoIP -- are still confused about VoIP technology.

  • September 11, 2006 11 Sep'06

    Nokia and Motorola join forces on mobile TV

    Nokia and Motorola are jointly promoting the wider adoption of broadcast mobile TV services with the interoperability of their DVB-H (Digital Video Broadcast - Handheld)-enabled mobile devices and network services.

  • September 06, 2006 06 Sep'06

    Fast Guide: VoIP encryption

    A guide to encryption within VoIP networks

  • September 06, 2006 06 Sep'06

    VoIP startup untethers would-be mobile workers from wireline office phones

    VoIP startup DiVitas Networks has voice-over-WiFi-to-cellular technology in the works that gives endusers access to enterprise apps and puts dual-mode handset management in the hands of network administrators.

  • September 06, 2006 06 Sep'06

    VoIP startup untethers would-be mobile workers from wireline office phones

    VoIP startup DiVitas Networks has voice-over-WiFi-to-cellular technology in the works that gives endusers access to enterprise apps and puts dual-mode handset management in the hands of network administrators.

  • September 05, 2006 05 Sep'06

    VoIP outsourcing: Save money and gain flexibility

    VoIP outsourcing is the way to go for organisations looking to deploy voice services quickly and flexibly without a major investment in skills and upkeep.

  • September 05, 2006 05 Sep'06

    VoIP outsourcing: Save money and gain flexibility

    VoIP outsourcing is the way to go for organizations looking to deploy voice services quickly and flexibly without a major investment in skills and upkeep.

  • September 04, 2006 04 Sep'06

    Microsoft and Citrix link to boost branch Wan apps

    Microsoft is teaming up with thin client supplier Citrix to offer an alternative to Cisco products for optimising the performance of branch office applications over a wide area network.

  • September 04, 2006 04 Sep'06

    Revamped Cisco WAFS worth the wait, users say

    Months late, Cisco has finally released a combined Wan optimisation and WAFS product, while startups like Riverbed have been snapping up the customers. But some Cisco beta testers say it has been worth the wait.

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