251 Results for:SIP
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VoIP models and services: Complete guide
15 Aug 2007With 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. Read More
Early adopters of unified communications need to ask about security
24 Jan 2008Unified Communications complicates security, which means special care is needed to extract value from the technology. Read More
VoIP call quality on the decline
06 Aug 2006Advances 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. Read More
Open source - What voice managers need to know
04 Feb 2007Open 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. Read More
Convergence, interoperability key in disaster planning
08 Jan 2007Convergence and interoperability are major factors in ensuring communications continuity in a disaster. Read More
Analysis: What does Microsoft's Skype acquisition mean for businesses?
13 May 2011Microsoft's planned acquisition of internet telephony services firm Skype for $8.5bn has caused quite a stir in the consumer world, but what will it mean for business? Read More
Turning analog phones into VoIP phones
07 Jul 2005How an ATA or broadband phone works and what kind of features and performance you can expect from them. Read More
Identifying issues in a multi-site Cisco UC deployment
17 Oct 2008Deploying Cisco Unified Communications Manager between multiple sites requires an appropriate dial plan, appropriate bandwidth, a quality of service (QoS) implementation and a design that can survive IP WAN ... Read More
Criminals find safety in cyberspace
17 Dec 2006A new report from McAfee shows how criminals are enjoying a sense of safety and anonymity in cyberspace that they never had on the street. And they're making more money. Read More
What's in a VoIP packet -- An introduction to bandwidth for VoIP
17 Jun 2007Learn what makes up a VoIP packet, how headers work, what protocols transport voice traffic over the Internet and how this traffic uses network bandwidth. Read More