Has VoIP Peaked?
One of the biggest developments in the telecoms industry in recent times has been the emergence of mobile VoIP technology. Although still relatively early days for the mobile Voice over IP companies such as Truphone, it certainly seems they have the capacity to mix things up in the telecoms industry. Some of the recent longer established mobile operators’ actions seem proof of this with T-Mobile recently being forced to allow the use of Truphone over its network, having previously not allowed calls to Truphone alloted numbers.
Whilst some people claim that as VoIP prices fall towards zero, this is making it a increasingly hard industry to make any substantial profit in; the increasing prevalence of cut cost ultra fast broadband and has resulted in a huge surge in the availability of free Wi-Fi. Consequently this is making mobile VoIP operators an increasingly attractive proposition for consumers. The trend in the availability of new ’smart phones’ with the ability to run mobile VoIP client software, at ever falling prices is also, it could be argued, creating a situation where mobile VoIP could really take off.
We have recently seen T-Mobile introduce their VoIP service called @home giving customers the option of paying one low monthly flat rate. However whilst the industry is finding people not entirely willing to give up their fixed phone line all together, mobile VoIP operators have no such obstacle to contend with. The seamless integration of mobile VoIP software into the functionality of mobile phones, as well as the falling cost of data-inclusive phone packages has resulted in a predictably fast growth in the mobile VoIP sector.
Currently it has been reported that there are 4 million VoIP customers in the UK, and its likely this figure will go up. How established mobile phone operators will harness this remains to be seen but the decision to force T Mobile to unblock calls to Truphone subscribers surely sends out a clear message that rather than try and resist the mobile VoIP operators, the incumbent industry monoliths must find a way of working with them.
One issue which may have an impact on the amount of subscribers of mobile Voice over IP is security, with many highly publicized incidents highlighting the vulnerabilities in making calls using VoIP. Another problem to contend with is ‘VoIP phishing’ where people are duped into giving up their personal data of their own free will after taking the ‘bait’ from a thief. This is also indicative of other VoIP security problems where unscrupulous would be thieves can tamper with the caller ID making it appear as though they are calling from their own financial institutions. Once such issues have been dealt with and fears allayed it is likely that mobile VoIP will become much more prevalent in everyday life as people take the opportunity to turn their mobiles into VoIP phones.
Deciding on the Finest High Speed Internet Access Offer
When you are researching the fast broadband market place browsers will often feel dazed. The fast broadband market is full with high speed internet access providers providing many internet packages with different broadband speeds and download limitations.
Broadband users might want to look up each and every fast internet company directly to learn what high speed packages the company supply, download speeds the company provide and the supplier’s contract terms. If broadband users desire to discover this internet information in one site you may desire to see an internet comparison site. Use www.comparebroadbanduk.com to help save you money on your broadband bill.
If potential customers presently have a high speed broadband service provider and want to seek a faster provider then nothing should deter you from using another broadband firm, especially if a saving is to be made. High speed broadband comparison businesses will probably be able to guide surfers through the procedure and what steps may be taken.
When you yourself are looking for the greatest offer price may not be the main factor. Plentiful broadband companies will promote a profoundly low entry package to tempt possible customers over to them. When packages are exceedingly low in price please make sure you ascertain what broadband speed the broadband deal will provide, what download allocation you yourself will be provided with and also the length of the contract. The download allocation is crucial as innumerable organisations will charge browsers per GB that internet users go over, so if your package has an eight GB download limits and broadband users download 10 horror movies that month, you are more than likely to have downloaded 10GB (i.e. one Gigabyte per movie) - which is 2GB’s well over your download limit, and which is two Gigabytes worth of internet downloads the business can charge over and above your monthly broadband package cost.
When seeking the leading offer please don’t forget to check whether or not the corporation will charge an admin fee and if there are any costs associated with being supplied a wireless broadband router. The aforementioned additional charges will often all mount up and you yourself will often be left with little savings when compared to other broadband packages.
Thankfully, high speed internet access comparison corporations might bring to your attention any additional charges and browsers can make a guided and unbiased decision.
Competition Increases with Gaming Laptop Computers
Gaming laptops used to only be attainable from select resellers. The sales figures were by no means really amazing but they did produce great money on each notebook than others. Everybody desired this kind of notebook computer, but at the price they were going for it was simply unaffordable. They the the newest technology and simply the best laptops. I would get very excited by them but I knew I could not go out and buy laptops at the high prices they were going for. Well established companies have lately released their own gaming notebooks so its all changing as I write this.
These are certainly big margin notebooks for the global companies and they are aware of it. It is a good chance for them to regain gross markup as the markup on mass market laptop computers are so tiny nowadays. Companies of that sort are aware they can sway customers to buy laptops at any price providing they represent it well. What would small system builders possibly do if they are squeezed out of the sector? With the capital at their disposal they could easily finish the littler competition. I reckon buying from an established brand additionally provides the perception of greater value for money.
The laptop computers are surprisingly really good too. I believe that littler companies could yet have an opportunity. Now and then the littler resellers will supply the newest parts quicker and hence supply higher specifications as well. This type of prospect is usually well informed in the technology and can compare the specs. Customers like these are at times more concerned with the performance capabilities of a machine than they are in it’s styling.
From a purchasers standpoint this is all a advantageous situation. Finally high end equipment for your cash will be the outcome for this sector. Who can possibly say what will occur. I am actually not that certain. New laptop launches should maintain high prices. It is difficult to tell what will happen now that the big companies have become involved in producing gaming notebooks.
Browse http://www.rizeon.com as they are giving a few really fast laptop computers for the money.
Quality Document Scanning
Finding quality document scanning can be difficult. In many cases, that is because there are just too many services to consider that it is hard to find the one that will fill your needs right the first time. But, there are many opportunities for you in document scanning. From the latest and greatest technology that makes it so easy to do yourself to the latest companies that offer opportunities for you to store you documents safely, you have choices in document scanning.
Document scanning is the process by which you take something in real life and put it into the computer or onto the internet. Document scanning can be done by using a scanner which is like a small sized photocopier. It takes the image that you have placed on it and puts it onto your computer. In this case, document scanning is a great way to share pictures or information through the internet when the documents are not originating from the web or the computer itself.
Document scanning can also be done through many services. One such service will allow you to use image scanning to place your important documents into files and files on the web. This can help you to stay organized without the messy paperwork to deal with. These services will help you stay organized as well as help you minimize your workload. Other document scanning services offer you the ability to scan documents and send them from a remote location. Document scanning is a great way to provide communication.
To find document scanning services for you, all you need to do is to look towards the web. Compare the companies that offer the services you are after to find the best in quality and in cost for your needs. Then, you can choose the best document scanning that will provide you with highly authentic work each and every time.
For more information please see http://www.document-scanning-info.co.uk
The Invention of Television
The transmission of images obsessed inventors as early as 1875 when George Carey of Boston proposed his cumbersome system. Only five years later, the principle of scanning a picture, line by line and frame by frame - still used in modern television sets - was proposed simultaneously in the USA (by W.E. Sawyer) and in France (by Maurice Leblanc). The first complete television system - using the newly discovered properties of selenium - was patented in Germany in 1884, by Paul Nipkow. Boris Rosing of Russia actually transmitted images in 1907. The idea to incorporated cathode -ray tubes was proposed in 1911 by a Scottish engineer, Campbell Swinton.
Another Scot, John Logie Baird, beat American inventor C.F. Jenkins to the mark by giving the first public demonstration of - a dim and badly flickering - television in 1926 in Soho, London. Britain commenced experimental broadcasting almost immediately thereafter. Irish actress Peggy O’Neil was the first to be interviewed on TV in April 1930. The Japanese televised an elementary school baseball match in September 1931. Nazi Germany started its own broadcasting service in 1935 and offered coverage of the 1936 Olympics. By November 1936, the BBC was broadcasting daily from Alexandra Palace in London to all of 100 TV sets in the kingdom.
At the beginning there were many competing standards on both sides of the Atlantic. Baird’s technological solutions were trounced by Isaac Shoenberg and his team, set up in 1931 by Electric and Musical Industries (EMI). RCA refined its own system, as did the Dutch Philips. Not until 1951 were the standards for public broadcasting set in the USA and in Europe.
But the Americans were the ones to grasp the commercial implications of television. Bulova Clock paid $9 to WNBT of New York for the first 20-seconds TV spot, broadcast during a game between the Brooklyn Dodgers and the Philadelphia Phillies in July 1941. Soap operas followed in February 1947 (DuMont TV’s A Woman to Remember) and the first TV news helicopter was launched by KTLA Channel 5 in Los Angeles on 4 July 1958.
The first patent for color television was issued in Germany in 1904. Vladimir Kosma Zworykin, the Russia-born American innovator, came up with a complete color system in 1925. Baird himself demonstrated color TV transmission in 1928. Various researchers at Bell Laboratories perfected color television in the late 1920s. Georges Valenso of France patented a series of breakthrough technologies in 1938. But color TV became widespread only in the 1960s.
Sam Vaknin ( samvak.tripod.com ) is the author of Malignant Self Love - Narcissism Revisited and After the Rain - How the West Lost the East. He served as a columnist for Global Politician, Central Europe Review, PopMatters, Bellaonline, and eBookWeb, a United Press International (UPI) Senior Business Correspondent, and the editor of mental health and Central East Europe categories in The Open Directory and Suite101.
Until recently, he served as the Economic Advisor to the Government of Macedonia.
Visit Sam’s Web site at samvak.tripod.com
Materials and Plant Managers Support Digital Kanban
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There is simply no faster or easier way to begin exploiting the
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Other departments fully support the benefits of digital kanban
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Datacraft Solutions www.datacraftsolutions.com Kelly Pryor
800-819-5326
# # #
Cisco Certification: Putting Together Your Own Home Practice Lab
CCNA and CCNP candidates hear it all the time: “Get some hands-on experience”. From my personal experience climbing the Cisco certification ladder, I can tell you firsthand that there is no learning like hands-on learning. No simulator in the world is going to give you the experience you will get cabling and configuring your own routers.
Whenever I mention this to one of my students, they always say it costs too much. The truth is, it is cheaper now to build your own CCNA and CCNP lab than it has ever been. The secret? Used routers.
The word “used” turns off a lot of people not many of us buy used computers or used servers. Cisco routers, though, are robust. I personally own a Cisco 4000 router that I use as a Frame Relay switch in my lab that I’ve had for about four years, and I’ve never had a problem with it.
The good news for current CCNA and CCNP candidates interested in building their own labs is that used Cisco equipment has never been more plentiful or cheaper. eBay is a good way to get an idea of what’s out there and what the prices are, but you don’t have to assemble your lab one piece at a time. Many eBay vendors who sell used Cisco equipment sell ready-made CCNA and CCNP labs for one price, including cables.
I asked one major vendor of CCNA and CCNP labs, www.ciscokits.com, what the most common questions are regarding building your own home lab. Here’s what they had to say:
Why do I need real routers instead of a simulator?
You need a physical router,as the simulators just don’t have the ability to give you the “hands on” you need to see what happens when you disconnect a cable or put a cable in the wrong location. You will come to find quickly that mistakes you make on Router 1 are affecting Router 5 all because you did not screw in a cable properly. No simulator can simulate that.
How many routers do I need?
Two routers really are required to see if anything works. If you have a very limited budget, you can receive value from only purchasing a single router over working with a simulator. However, you will not be able to see the main thing we are trying to accomplish. The propagation of route tables!
The only way you can see if your configurations work, is to have at least two routers. Therefore, I strongly recommend that you purchase a dual router kit that comes with all the accessories you need. Otherwise you can spend days trying to find all the little extra pieces you need to get your lab up and running.
Do I need a switch?
Well, it is nice to have. However, with only about 2 questions on the test dedicated to “hands on” switch knowledge, if you have to skimp on something, skimp on the switch.
What routers and switches should I buy?
Choices, choices, choices! Which 2500/2600 router do I pick? I will list some pros and cons of each router below, along with current prices (note that prices are generally lower if you buy a dual router kit instead of a single router). Please note that prices are approximations.
1) Cisco 2501 Router with 16 MB Flash/16MB DRAM $94.99. The cheapest introduction router, and it can support a vast majority of the commands that you will need to learn for your CCNA test. All 2500 routers that we will discuss come with a minimum of two serial ports and an Ethernet port.
You will need to add a transceiver to this unit to convert the Ethernet AUI port to an RJ-45 style Ethernet port.
2) Cisco 2503 Router with 16 MB Flash/16MB DRAM $119.99. This is the same as a Cisco 2501, except it adds an ISDN port so you can complete all your ISDN commands for the CCNA test. You will need to add a transceiver to convert the Ethernet AUI port to an RJ-45 style Ethernet port.
3) Cisco 2505/2507 with 16 MB Flash/16MB DRAM $109.99. The same as a Cisco 2501 except it has a built-in 8 or 16 port hub so you do not have to purchase a transceiver.
4) Cisco 2514 Router with 16 MB Flash/16MB DRAM $149.99. This router is the same as a Cisco 2501 except instead of one Ethernet port you have two. You may ask, what is the big deal? Well, you can use this as your Cable Modem/DSL Modem router. Now you can test your ability to setup a firewall and router in a live environment on the Internet. Lots of fun! You will need to add two transceivers to convert the Ethernet AUI ports to an RJ-45 style Ethernet ports.
5) Cisco 2520 Router with 16 MB Flash/16MB DRAM $119.99. This is the same as a 2503 but it also adds two more serial ports so you can use this as a frame relay switch later in your CCNA studies. It costs the same as a 2503, so this is a great money saving tip.
6) Cisco 2612 Router with 32 DRAM and 8 MB Flash $199.99. This is a modular router unlike any of the 2500 series routers. So the big benefit of this is you can buy extra modules to add functionality such as more serial ports, ISDN ports, Ethernet ports, WICs and such. However, due to the flexibility you will pay a bit more. One day it is a frame relay switch, the next it is your ISDN router. In the long run it will be cheaper than purchasing a bunch of dedicated routers for each
discipline you want to learn.
7) Cisco 1912 or 1924 Switch with Enterprise Software $109.99. This is a good low cost switch. The only drawback is it is a 10 MB switch except for the two 100 MB uplink ports. Not a big deal since you have 10 MB routers.
Cisco 2912 or 2924 Switch with Enterprise Software $249.99. This switch will run all the current commands needed for the test and is a full 100 MB switch.
And should you desire to sell your lab after you complete your certification, you can either negotiate a price with the vendor who sold it to you, or you can sell it yourself on ebay. It’s my experience that 95% of candidates who earn their CCNA go on to pursue their CCNP within one year, though, so don’t sell it too quickly.
In the end, you spend only a few hundred dollars, and you gain invaluable experience and knowledge that will help you both in your certification quest and your job performance. Having worked my way from the CCNA to the CCIE, I can tell you that you will learn much more from actually configuring and cabling your own equipment than you ever will from any simulation of the real thing.
Chris Bryant, CCIE #12933, is the owner of The Bryant Advantage (www.thebryantadvantage.com), home of free CCNA and CCNP tutorials, The Ultimate CCNA Study Package, and Ultimate CCNP Study Packages. Video courses and training, binary and subnetting help, and corporate training are also available.
For a FREE copy of his latest e-books, “How To Pass The CCNA” or “How To Pass The CCNP”, send a request to chris@thebryantadvantage.com today !
Cisco CCNP / BSCI Certification: The Local Preference BGP Attribute
When studying for your BSCI exam for the CCNP, you get your first taste of BGP. One of the major differences between BGP and the other protocols you’ve studied to date is that BGP uses attributes to describe paths, and to influence the selection of one path over the other.
In this free tutorial, we’re going to take a look at the Local Preference attribute and compare it to the Cisco-proprietary BGP attribute “weight”.
The Local Preference (LOCAL_PREF) attribute is used to influence how traffic will flow from one Autonomous System (AS) to another when multiple paths exist. For example, if AS 100 has two different paths to a destination network in AS 200, the LOCAL_PREF attribute can be used to influence the path selection.
The major difference between the Weight and LOCAL_PREF attributes is that when the LOCAL_PREF attribute is changed, that change is reflected throughout the AS. The new LOCAL_PREF value will be advertised to all other routers in the AS, as compared to the Weight attribute, which is locally significant only. If you change the Weight for a path on one router in an AS, the other routers in the AS will not learn of the change.
A route-map can be used to change a local preference value. For example, if you want to change the local preference value to 200 for the path advertisement 10.2.2.0/24 coming in from neighbor 10.1.1.1, there are three steps involved. First, write an ACL matching the remote network you want to change the local preference for.
R1(config)#access-list 5 permit 10.2.2.0 0.0.0.255
Second, write a route-map setting the local preference to 200. This will double the default value of 100, and the path with the highest local preference will be the preferred path.
R1(config)#route-map PREFER_PATH permit 10
R1(config-route-map)#match ip address 5
R1(config-route-map)#set local-pref 200
Finally, apply the route-map to routes that are being received from 10.1.1.1.
R1(config)#router bgp 100
R1(config-router)#network 10.1.1.1 route-map PREFER_PATH in
R1 will then advertise this new local preference value to all other routers in AS 100 - all of its iBGP neighbors.
Chris Bryant, CCIE #12933, is the owner of The Bryant Advantage, home of free CCNP and CCNA tutorials, The Ultimate CCNA Study Package, and Ultimate CCNP Study Packages.
For a FREE copy of his latest e-books, “How To Pass The CCNA” and “How To Pass The CCNP”, just visit the website! You can also get FREE CCNA and CCNP exam questions every day! Pass the CCNP exam with The Bryant Advantage!