VoIP Security
VoIP security has been called in question recently, though there is little evidence to indicate that VoIP security is any less than conventional telephony systems.
VoIP voice data is transmitted via a packet-switched data network using IP. VoIP systems can carry a significant higher number of calls, and very much faster, than traditional PSTN networks due to compression of the voice packets, modern broadband technology and a number of other gateway developments which have reduced the previous packet delivery problems to an extent that the protocol is now a viable mainstream telephony solution to most business needs.
VoIP security should therefore be shown to be at least as effective as that of traditional telephone systems.
There is actually very little difference between VoIP security and that required for any other type of data transmission system. Look on it the same as you do your email system. The same as your office LAN if you have one. You probably have a system in operation whereby only authorized personnel can use certain aspects of the network. VoIP security can, and do, use the same techniques.
However, having said that, let?s have a look at potential weak points in VoIP security that budding hackers may see as good points of attack.
IP PBX CALL MANAGEMENT BOXES
PBX stands for Private Branch Exchange, and is piece of software running on a server. It?s function is to deal with all the switches and connections involved in the telephone system. These can be attacked by hackers or viruses which could compromise sensitive data. VoIP security systems are designed with this risk in mind.
PBX equipment should be placed behind firewalls, locked down and regularly monitored for unwarranted intrusions using intrusion-detection software. It is also possible to put the server in a different domain from the rest of the system, making it much more difficult for intruders to reach. PBX security is a basic aspect of VoIP security systems
GATEWAYS AND DATA PACKETS
The gateway?s job is to convert voice to data packets, transmit them then receive and convert the packets back into voice. These are a potential VoIP security risk in that thy can be hacked into unless there is an access-control system in place to prevent unauthorized people from accessing the system. VoIP calls should only be permitted to specific people, and most good VoIP security systems allow only authorized user to operate VoIP systems under password control.
The data packets themselves can be hacked into using data-sniffing techniques. This can be a serious VoIP security risk and packet sniffers, as they are often called, capture binary data passing through your network and can reroute it to a computer on another network for decoding into a readable form. In order to do this, the ?sniffers? has to be on the same network wire as the packet is using to reach its destination. The problem in installing an effective VoIP security system is that there is usually a lot of information passing at any one time, and the hacker has a higher probability of getting useful information than from a conventional telephone system.
Encrypting VoIP traffic and routing it through a virtual private network would reduce the VoIP security risk, and most corporate systems have multiple encryption layers for external messages. Internal security could be improved by running internal VoIP messages through this corporate network. Small businesses should seek the advice of their supplier, or of a security expert if they feel that they may be subject to such attacks.
However, VoIP security advisors can point small to medium companies in the right direction. Corporate VoIP security is generally not so much problem in that it is normally contracted out to expert advisers.
In the final analysis, however, there are no real differences between VoIP security and the normal security concerns associated with any data network service, such as normal office internet and email LANs. The security firewalls and restricted access to use, common on these systems, should suffice to deal with VoIP security
Peter is an industrial research chemist with almost a fixation with data transfer systems, starting with audio and video file formats and codecs, and here with telephonic transmission systems which allow what is commonly known as VoIP. His fascination with subject is obvious from his website: http://www.data-voip-solutions.com
|
|
 |
 |
Outstanding VoIP Voicemail Features Makes Getting VoIP Voicemail Extremely Convenient
There are many types of VoIP (Voice over Internet Protocol) protocols that are employed by the VoIP providers currently providing VoIP calling plans. Luckily for the consumers, the VoIP providers have listened to what functions the consumers want in their Voicemails.
Finally Voip Worth a Look!
Everyone can Benefit from this Technology! Voip will be next communication tool in the world. Below are just a few of the most common uses of the ICON Communicator
Business Applications
Conferencing between two or hundreds of participants.
NetQoS VoIP Monitor v1.1 Improves VoIP Performance and Planning: Enhanced Troubleshooting and Reporting Plus SIP Support Help IT
Professional
As network engineers and IP telephony professionals expand VoIP pilots into organization-wide deployments, performance management becomes more critical. NetQoS(R) Inc. has launched NetQoS VoIP Monitor v1.1 with additional reporting and troubleshooting capabilities, along with support for SIP, to help monitor and improve VoIP call setup and call quality in existing deployments and plan for expansions.
Hello, World; Hello, Voip Telephony
The world has shrunk, thanks to an invention called the Internet. Communication is now made easier. Barely two decades ago, a person in Thailand has to wait for weeks for a letter from the United States. Now, a letter can be sent in a matter of seconds, through e-mail or electronic mail. A few years ago, talking to a person halfway across the world is guaranteed to cost hundreds, if not thousands, of dollars. Now, with the advent of VoIP telephony, it costs nothing more than a local phone call to your neighbour. Sometimes, it?s even for free!
VoIP Phone Service - Advantages And Disadvantages
VoIP stands for Voice over Internet Protocol. VoIP phone is also known as broadband phone because it requires broadband internet connection to make and receive phone calls. VoIP technology allows the conversion of voice into digital signal. The signal is then transmitted over the internet and converted back to voice when it reaches the destination.
NetQoS to Host Webinar on VoIP Monitoring and Performance
Panel of VoIP Experts to Address VoIP Network Performance Management Issues Including Call Quality and Call Setup; More than any other type of application, VoIP quality of experience demands optimal network performance. NetQoS® Inc. will address this topic during a live Q&A Webinar titled "Getting a Grip on VoIP," to be held on Tuesday, Oct. 9, 2007, at noon EDT.
Why VoIP is not Going to Fail
VoIP is an almost constant topic in our daily dose of business and tech-related news. VoIP, or Voice over Internet/IP is really an old technology re-emerging with a new face and marketing spin.
The Facts About VoIP
Voice over Internet Protocol uses the acronym VoIP, but more commonly refers to the phone service over internet VoIP is the new wave in marketing that creates a better phone and data service
ACN Launches VoIP and Video Phones in Puerto Rico
ACN has launched its revolutionary VoIP Phone Service with Video Phone in Puerto Rico, marking the company?s expansion into the Latin America market.
A Look At How VoIP PBX Works
It's not a surprise that Voice-over-Internet-Protocol (VoIP) has become a great asset to many people around the world There are all sorts of reasons to use VoIP and it is becoming like a wave for the Internet world
The Benefits of VoIP Technology
Before you are able to assess the truthfulness or the reliability of any VoIP reviews, you must first of all attempt to understand the VoIP technology and what it is all about. This task may seem somewhat unnecessary considering the fact that the use of VoIP seems rather straightforward but most of the time we often assume we know what we actually don?t. By taking out the careful time to understand how VOIP works, you cover grounds that you may have not previously been aware of. In any reviews you come across fundamental aspects of a VoIP service will be discussed and you must be aware of these aspects.
Learning About Voip Solutions - Top Questions And Answers
Technology is increasing daily and plenty of consumers are facing new challenges about learning new forms of communication using computer hardware or software. The changes in our world raise many questions, and these common questions and answers focus on one growing area of communication, IP Telephony or Voice over Internet Protocol. These questions that people often ask are heard all over these days, but our answers will help explain much about this new phase of keeping in touch with others.
Is Nat Traversal holding back VoIP and IP Communications adoption?
Is Nat Traversal holding back VoIP and IP Communications adoption?
VoIP Helps With Family Separations
It’s never easy being away from home during the holiday season, but with VoIP, families get regular virtual visits using video over voip. Important calling features like sequential or simultaneous ring help avoid missed calls and VoIP’s smaller monthly bills ease financial strain.
The Choices Between Voip Telephone System
The voice over internet protocol (VOIP) telephone system is a great model of how advances in one field of technology often go hand in hand with advancement in other areas. VOIP is an advancement made possible by computer technology that has directly affected phone systems, as well. While this type of phone system may seem foreign to many consumers, most people are aware of some type of VOIP provider, even if they don?t know it. Lingo, SunRocket, and Vonage are three providers of VOIP services that are relatively well known among many consumers.
|
 |
|
