Topic: SIP

18 September 2008

Watchguard shows new 'XTM' super-firewall

By John E. Dunn, Techworld

Watchguard has announced the first of a new line of ?super-firewalls' it claims will greatly extend the security and management features available on today's Unified Threat Management (UTM) appliances. Read more...

23 July 2008

Information theft, TV style.

By John E. Dunn

As hacks go, this must be the ultimate example – a TV anchorman has been accused of hacking his colleague at a Philadelphia TV station. And they say regional US TV news is normally about as interesting as dog laxative. Read more...

30 June 2008

Data centre managers explore energy efficiency

By James Niccolai, IDG News Service

The rise in electricity costs, coupled with the increasing power consumption of modern processors, are leading to crippling headaches for data centre managers. A conference last week explored several ways in which data centres could save money. Read more...

12 February 2008

DNS: a tempting free lunch

By Carolyn Duffy Marsan, Network World

Are free DNS services worth the cost? Read more...

26 February 2008

Nokia CTO plans to re-shape the company

By Peter Moon, Computerworld Brazil

Bob Ianucci has weathered some changes in his 30 years in the industry - now he has to help Nokia through the next stage of nearly 150 years of development. Read more...

06 August 2007

Guide to Web Access Management

By Bloxx

The Internet ? specifically the World Wide Web ? is a very valuable vehicle for research, learning, marketing, and transacting business. But it is also a source of material that it is inappropriate for staff to access ? such as gambling, pornography, or violence. Even web sites that are not offensive may have a significant adverse effect on staff productivity e.g. sport, gossip, and chatrooms. Recent research suggests that a typical company of 1000 employees can lose up to £2.5m a year through non-business use of the Internet. Also, such use absorbs valuable IT resources and means more costs are incurred in additional IT and network capacity. Read more...

01 July 2008

DrayTek Vigor 2820Vn router

By John E. Dunn, Techworld

• List price: £175 (inc VAT), best UK street price
• Pros: Amazing range of features in one box – dual WAN, 3G, dual VoIP, Gigabit Ethernet, Draft 802.11n, and oodles of security – the lot. It even has a rack-mounting kit.
• Cons: Failover needs thorough testing before deployment in anger; It's made from a gaudy white plastic... Read more...

03 September 2007

Cutting the costs of VoIP

By Robin Gareiss, Network World

What companies spend on VoIP depends largely on how large their deployments are, which vendors they use and how they design networks. But most IT executives cannot calculate accurate costs until they are well involved with their roll-outs. Read more...

31 August 2007

Putting your datacentre on an energy diet

By Drew Robb, Computerworld

Modular power units, combined heat and power, datacentres that work off DC power, or wind and solar energy? We look at the various approaches used by datacentre managers to cut down on energy usage. Read more...