Voice networking and VoIP

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. Continue Reading

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 development environments. These kinds of statistics combined with a frenzy of media and vendor hype would leave one with the impression that we're right around the corner from ubiquitous VoIP and if you haven't deployed it yet, you're a luddite and you're putting your business at risk. However, digging a little deeper into our research we discover that a mere 6% of U.S. enterprises have VoIP running throughout their organization and caution is more the norm than the exception Continue Reading

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? Continue Reading

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. Continue Reading

Fast Guide: VoIP encryption

A guide to encryption within VoIP networks Continue Reading

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. Continue Reading

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. Continue Reading

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. Continue Reading

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. Continue Reading

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. Continue Reading

Instant messaging boom brings security concerns

Instant messaging (IM) has made significant inroads to the enterprise, but using public IM applications may open up security holes in the network. Continue Reading

VoIP outsourcing: Save money while gaining flexibility

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

AT&T breach affects 19,000 customers

Online outlaws hacked into an AT&T computer system and stole credit card data on thousands of customers. AT&T has offered to pay for credit monitoring services for those affected. Continue Reading

Column: VoIP applications fuel the next wave of VoIP innovation

The first phase of VoIP is nearing the end and corporations will soon find a variety of third-party desktop applications that run on VoIP. Has VoIP improved the day-to-day for end users? Continue Reading

Briefs: VoiceCon in the news

This week at VoiceCon we saw everything from managed VoIP services to IP phones made to make mobile workers right at home, wherever they are. Continue Reading

Cisco struggles with SIP firewall flaw

Cisco admits it can't reproduce a SIP security flaw in its PIX firewall that was first identified by a researcher at Black Hat. Continue Reading

Briefs: VoIP in the news

Asterisk maker Digium gets major funding; Quintum's VoIP switch offers backup option for branch office; The Cisco Store makes the case for unified communications. Continue Reading

Cisco says it can't reproduce PIX flaw

Ever since a researcher at Black Hat outlined a flaw in the PIX firewall, Cisco has been trying to reproduce the security hole. So far, the company has been unsuccessful. Continue Reading

Cisco boosts VoIP certification

The upgraded CCNP midlevel Cisco certification now incorporates VoIP, security and wireless to boost converged network skills among enterprise professionals. Continue Reading

VoIP call quality on the decline

Advances in technology have made VoIP more common, but that hasn't stopped VoIP call quality from dropping steadily over the last 18 months, according to a recent study by Brix Networks. Continue Reading

Vendors reject preferential knowledge sharing

While Cisco continues to investigate a potential PIX firewall flaw, it and other vendors say sharing security information quickly and indiscriminately is always the best policy. Continue Reading

Possible Cisco zero-day exploit revealed at Black Hat

Details of an alleged flaw related to SIP and PIX appliances, briefly mentioned in a Wednesday Black Hat presentation, are being kept under wraps as Cisco and US-CERT investigate. Continue Reading

Case study: A valuable solution

A new telephony and call centre solution from Inter-Tel has transformed the way that e.surv Chartered Surveyors is able to work. Continue Reading

Be careful you don't get more than you pay for with VoIP

Implementing VoIP is attractive for all companies in particular SMBs. However, there are issues to address that may cost you more than what you save Continue Reading

Voicing concerns on Skype

Skype has blazed a trail in the Voice over IP arena; its popularity hasn’t gone unnoticed by the hacker community however Continue Reading

Quiz: What's your infosec IQ?

We've collected our toughest questions to see how well you stand up to a challenge. Put your knowledge to the test and let us know how you do. Continue Reading

VoIP turns up the heat on firewalls

New research shows that many organizations are increasingly concerned about VoIP security and plan to augment their firewalls within the next year, changing the landscape of the firewall market. Continue Reading

VoIP and IPT are hot tickets for the IT industry

Voice over IP (VoIP) and IP telephony (IPT) are the hot tickets in the current IT industry. In the space of two weeks in late May and June 2005, two major European trade shows — VON 2005 and VoIP for Business —have each exhibited a welter of products and services that seem wonderfully compelling. Continue Reading

VoIP encryption to have 'Pretty Good Privacy

 Continue Reading

Gartner underscores five overblown threats

Two Gartner analysts debunk five overhyped security risks they claim are causing companies to miss out on some key emerging technologies. Continue Reading

Whisky galore with IP

Chivas can toast future success thanks to a cost-effective IP data network Continue Reading

IP everything, essentially

What are the fundamental deliverables of IP networks? How can you use IP networks to gain financial benefits in addition to... Continue Reading

The basis of profitability

Not so long ago, you didn't have much choice - your IT and communications requirements were acquired, implemented and maintained... Continue Reading

Management matters

Cath Everett finds out how you stay on top of networking. What are the management issues related to your telecoms and networks... Continue Reading

Over-specify when buying low cost replacement for Frame Relay

A project manager reveals how a VPN saved £275,000 a year Continue Reading

Cisco SNMP flaw allows for DoS attacks

A coding flaw in Cisco's IOS software for certain routers and switches could leave networks vulnerable to denial-of-service attacks. Continue Reading

The VPN dilemma

With traditional networks choking on data, Liz Biddlecombe investigates the pros and cons of managing a VPN yourself or... Continue Reading