When a PC becomes part of a BotNet, it can be instructed to do almost anything by the creator of botnet. In effect it becomes a drone which cannot resist the commands of its master. In this case, the master is the creator of the malicious software (malware). Most Bots are employed in propagation of spam and viruses. Often malware is used for key-press logging which can result in mass identity theft. Zombie computers can also be used for denial of service attacks in which many bots simultaneously log onto a particular server, thus exceeding the server’s bandwidth and crashing it. This technique is particularly effective when the Botnet is large and contains thousands of computers. Many advanced malware can even spread themselves via email while the malware of smaller botnets lack this capability.

BotNets are programmed in such a way that they are difficult to find and analyze. Normally they receive instructions from their creators through IRC (Internet Relay Channels).  As of April 2008, the Storm BotNet and the Kraken BotNet are the largest BotNets in the world with an estimated 400,000 bots. Other significant BotNets are Rbot and Bobax with an estimated 20,000 bots each.

So on a day to basis, the best way to protect your computer properly is to frequently scan and update your antivirus and firewall software. Special sensors called ‘honeynets’ have also been set up on the internet these nets mimic the characteristics of computers with known security flaws in an effort to lure hackers into them and track down malware creators. It has been recently quoted by Kaspersky Labs (creators of Kaspersky anti-virus) that botnets pose more of a threat to the internet community than individual viruses and worms.

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AMBER

According to NCMEC, more than 260 children have been recovered since the AMBER Alert program began in 1997. The program-an early warning system to find abducted children-started as a local effort in the Dallas-Fort Worth, Texas, area and became a national initiative in 2003. AMBER stands for “America’s Missing: Broadcast Emergency Response.” The program is a legacy to Amber Hagerman, a 9-year-old girl who was kidnapped while riding her bicycle in Arlington, Texas, and was later found murdered.

An estimated 70 percent of Americans have wireless phones, and together they can serve as a national network that assists families and the authorities in searching for abducted children. By signing up to receive Wireless AMBER Alerts, subscribers receive information about local Alerts, as well as updates as the search progresses.

Opting In

Subscribers capable of receiving text messages, and whose wireless carrier participates in the Wireless AMBER Alerts initiative, may opt in to receive Alerts by registering at www.wirelessamberalerts.org or their wireless carrier’s Web site. Users can designate up to five ZIP codes from which they’d like to be alerted in the case of an AMBER Alert activation.

Public Service

Advertising Campaign

The Advertising Council, in partnership with NCMEC, The Wireless Foundation and the U.S Department of Justice, launched a multimedia public service advertising (PSA) campaign designed to raise awareness of Wireless AMBER Alerts and encourage all wireless subscribers to aid in the search for abducted children. It is the first nationwide PSA campaign to address this technology and the ads launched on National Missing Children’s Day (May 25th).

Wireless subscribers can now sign up to receive free AMBER Alerts via text messages.

•    Try using a different PCi slot, that way windows may detect it as new instead of trying to reconfigure it on the slots its currently on. This can also help you to determine whether one of the slots are bad.
•    If you have an onboard sound card but are trying to use a sound card you bought separately, ensure the onboard one is disabled.
Always ensure the sound card you purchase is compatible with your board. If it doesn’t say on the packaging, do a little research online prior to the purchase.

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Universal Mobile Telecommunication System (UMTS) is the preferred architecture that will promote third-generation mobile telecommunication systems. UMTS is an offspring of the second-generation mobile telecommunication system (GSM). UMTS is geared to provide higher bandwidth radio access, especially for packet-data-based traffic, in addition to conventional voice services. UMTS can provide maximum bandwidths ranging from 64kb/s – 2Mb/s. Enabling UMTS for different and concurrent high-bandwidth users, thereby reducing cost, will require multicast wireless protocols to be in place.

Multicast wireless technology replaces the older technology with only a few infrastructural changes. To begin with, existing routers must be upgraded to include a specific multicast routing application in place of the older, traditional algorithms. When we speak of wireless multicasting, the most important medium of communication or broadcasting is the omni-directional antennas.

Multicasting is generally conducted through what is known as source-based multicast trees. The multicast tree operates on a number of algorithmic structures. The source-based mediums may need the receiver’s addresses and topology data. DVRMP and MOSPF are some of the best examples of the algorithms that are traditionally used in the process, especially for video broadcasting. All wireless broadcasting or multicasting processes are guided by a bunch of multicasting network protocols.

Wireless multicasting technology has triggered a tremendous curiosity in the minds of technocrats across the world. As mentioned earlier, the main reason for this is the rise in the number of mobile service provides, as well as the new functions and applications that are being integrated into mobile networks and wireless Internet connections. Moreover, communication dysfunction is harmful for basic and necessary services like the military, so the introduction of multicast wireless has made staying connected both easier and more effective. Cheaper broadcasting means many television channels can reach out to millions across the globe via IPTV and mobile TV broadcasting. In retrospect, it is clear that the need for multicast wireless was always present, but the realization has set in a bit late.

The purpose of having a wireless multicasting procedure is to maximize the security levels that were often found lacking in wired multicasting. Don’t be surprised if you see a constant growth in the quality of various broadcasting services now that they have wireless multicasting to fall back on.

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Video conferencing is very useful way of communication because it saves money as well as time. People can do several business activities or meetings with two or more persons while sitting at office table. They don’t need to go anywhere to meet someone. Basic requirements for video conferencing are guaranteed latency, synchronization and broadcast. It enables people to have face-to-face meetings from a wide distance. Prices of teleconferencing are generally less than costs of travel. It’s an easy way to hold meetings, conduct interviews, give lectures and address employees.

Video conferencing is the best way of communication in medical, legal and educational fields. Normally there are three ways such as computer-based system, desktop system and studio-based system to set up a video conference. There is a limited field of vision in Computer-based system that is why it is the cheapest way of video conferencing. Desktop system improves the quality of audio and video transmission due to dedicated hardware installed on the computer. Most expensive method of video conferencing is studio-based system that offers best quality conferencing. It is mostly used in large-scale companies and universities. Studio-based system is just like a room that is fully equipped with control systems, document viewers, overhead cameras, vision switchers and slide viewers.

An organization, company, educational facility or individual requires some basic components to take complete advantages of video conferencing. Necessary equipment for videoconferencing is camera that lets user to capture video information at his or her site and transmit to someone on the other site. Video display is used to display video at their site and a microphone to hear the audio material.

Video conferencing terminals require a compressor/decompressor interface that helps in compressing the information while passing from audio to video to make transmission of materials sufficient over net. It is useful in sending the large files from one computer to another. Codec machine also works for decoding and encoding the useful information. A computer and high-speed Internet connection are essential for a successful video conferencing. High-speed Internet connection makes your video conferencing effective and interesting.

Video conferencing is reliable and an excellent method of communication. Video conference can easily connect you with other companies. You can generate your business from one place and give instructions to your subordinates. It makes bright future for your business and institution. This pioneering technology keeps your company up to date.

Video conferencing is currently an affordable way of communication. A large range of video conference units is available in the market. Buyers should check company expansion and system compatibility while choosing the best video conferencing unit.

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This can be a poor selling point for buyers of new business phone systems, but if a company already has a system such as this in place and wants to expand, they have little choice but to use the same equipment. This is the reason why there is such a market for used business phone equipment. It is always much cheaper to hunt down a handset that is compatible with your system than it is to replace the entire system every time you need to add a few phone lines.

Additionally, so many businesses are ill prepared for purchasing the right phone system for their particular needs that they often end up replacing the system in a relatively short time. The old equipment can then be sold or refurbished and sold. Often, wholesalers and retailers will give discounts for new systems if they are able to take the system it is replacing as a “trade in”. New and even used terminals, KTX add-ons and PBX equipment can be a major expense.

It is often necessary to find out how much it will cost to expand the type of system you have, when possible. In many instances, purchasing a slightly larger system than you what you currently need can save you money as down the road, even used equipment may cost more than what you would have been able to pay for brand new.

RV travel allows all the amenities of home with a kitchen, a shower, a comfortable bed and now even RV satellite internet.

What could be better than getting away from it all in an RV and still having the benefits of the digital age with the ability to e-mail all of your family and friends, and keep track of the latest news of the world, while still being able to shop for the greatest bargains during your travels across the country.

One of the main benefits of RV satellite Internet connection is the fact that it is extremely fast. In fact it makes DSL and cable connections seem like they were from a previous lifetime.

With a satellite feed, you will have one of the quickest Internet systems in the world through the link with a satellite dish, which accesses information from the many satellites that are circling the earth in outer space.

This direct connection via satellite offers unprecedented speed and ease of use, all at your fingertips no matter where you are.

The satellite dish isn’t only limited to RV’s with many people using them for other applications such as their trucks, boats and various other vehicles.

Of course, the bigger majority of people will have their satellite Internet at home where the dish can be attached to the house for fast Internet access.

It is especially convenient for businesses that are on the move as the dish can be removed from the office and transported to a new location with relative ease.

It is also very handy for temporary applications, such as promotional events where Internet access is needed in a location other than the main business premises. The convenience of the dish Internet connection offers unprecedented flexibility for the business owner to operate from a location in a very short amount of time.

People on the move, such as RV owners are also able to use additional services such as voice-Over IP phone services that offer the very best quality that technology can bring. Voice-over IP phone services are as clear as cell phones in terms of communication quality and there aren’t any problems with the communication being out of range, as can happen with a cell phone.

Satellite Internet can also offer Virtual Private Networks, or VPN for those people who need to operate their business whilst on the road.

Whether you are considering communication systems for your RV or simply a more flexible application for your home or office, satellite Internet is an excellent alternative.

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Yes, prepaid calling card are gaining there popularity in terms of convenience and easy to use and can make calls any time and any where.

You can gain a lot of benefits with the use of prepaid calling cards, one of which is the convenience you can get in making calls it maybe international or local, from a public telephone or from a personal phone. With the use of prepaid calling card, you can save large amount of money on your long distance bill every month as compared to using regular carrier.

The other benefits that you can get and enjoy with using prepaid calling are you can save money on all of your international calls; there are plenty of online prepaid calling card companies or providers that give low long distance rates for calls; prepaid calling cards allow you to pay for your international calls in advance; there are some companies that can provide free long distance minutes in form of bonus with each purchase or recharge.

Prepaid calling cards come with different services, features and rates, so you have to give few of your time in choosing a phone card that has the features, services and rates that you want.

Of course, you want to have a prepaid calling card that can give you largest savings and most minutes, so you have to find dedicated and reliable company that can provide your needs.

Yes, there are plenty of companies online that can provide you with high quality product and great services and can give you clear connection that you need. But of course, you need to take time in searching the reliable company. Make simple research. You have to look for good website that can provide you will the information and details that you need to know about the prepaid calling card that you eyeing to.

With some prepaid calling cards, fees and charges come along with them, so you have to learn about these fees and charges. Absolutely, you do not want to be caught on the middle of using this prepaid calling card, only to find out that it has a lot of hidden costs that are being deducted each time you make calls.

Yes, indeed, prepaid calling card can give you lots of benefits, but of course, you have to find the prepaid calling card that can provide you what you want and need. Allocating time and effort in searching the right prepaid calling card for you will soon be worth it.

Definitely, each of use wants to have the prepaid calling card that can give us satisfaction and convenience as we use it. So if you want to make sure that the prepaid calling card you want is the right one, you have to purchase small amount of minute and try I out in order to make sure it an give you the convenience and satisfaction you want.

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Tip One: Send Out an Agenda

The key to an effective meeting is an agenda – this applies to any kind of meeting, not just a conference call. With a conference call, always make sure you have the instructions on how to access the conference call at the top of the agenda, preferably in a box or with some other text decoration to make it stand out.

Another option is to send a meeting request from within your calendar application, whether it be Microsoft Outlook or Apple’s iCal, or some other scheduling tool. The meeting request is sent as a specially formatted email, so you can add attachments just like with a regular email. Attach the agenda, and repeat the instructions on how to connect to the conference call in the body of the email.

Most conference service providers require participants to dial a special number (which may be different depending on where the user is, or it may be a national number), then enter a conference “room” number, followed by a security code or PIN. Make sure all the necessary details are included on the agenda and the meeting request.

If the conference call is a regular status update, ensure you also send out the meeting notes from the previous call, since the first item on the agenda should be chasing people up for the actions they’ve agreed to be responsible for.

Tip Two: Take Care of Housekeeping

At the beginning of the call, call off the roll and ensure everyone is on the call. Introduce any newcomers to the rest of the group and invite them to spend a couple of minutes describing themselves and their role on the call. If anyone is missing from the participants list, immediately call them (preferably on their mobile) to get them onto the call as soon as possible. If they can’t get on the call within a couple of minutes, proceed without them. Nothing detracts from a good conference call more than making everyone wait at the beginning.

Next, ensure everyone has a copy of the agenda, and that they can all hear one another OK. If you are not going to be the one taking notes, make sure everyone is clear who is. This serves two benefits: firstly, the person taking notes is going to be careful and accountable, and secondly, a single set of meeting notes will be distributed after the call. If this is not made clear, you may end up with several versions, which is both redundant and confusing.

Finally, lay out the rules for interaction on the call. Because it’s audio-only, the usual cues we use to indicate that we wish to take a turn at speaking are not present. Therefore it’s worth stating at the outset what the rules will be. These can be as simple as “Please make a note of any questions and we’ll deal with them in turn after each agenda point”, or as sophisticated as listing the order of speaking of the participants, and asking each participant only to speak at their particular time. This last is called “round table” conferencing, and is particularly effective once people are used to it. It has the dual effect of keeping all participants engaged, and speeding up the time it takes to get through each point.

Clearly it’s unrealistic to expect people to stick to the interaction rules for the duration of the call, but laying them out at the outset will help ensure things run quickly and smoothly.

Tip Three: Turn Off Speakerphone

Unless you have a majority of participants all in one room together, you should turn off speakerphone. Speakerphone and conference calls are a bad combination, unless you have a high-quality dedicated speakerphone. In order to prevent audio feedback, speakerphones automatically mute the speaker when a sufficiently loud sound is heard at the microphone. Unfortunately, few speakerphones do this particularly well, and often the speaker will mute because of its own output feeding back into the microphone. This means annoying dropouts and missed words and sentences.

Because it’s a conference call, often these dropouts can go on for some minutes before someone has the opportunity to pipe up with “We missed all that!” Needless to say, having to constantly repeat yourself can be very time consuming and irritating for all the non-speakerphone participants.

Even if you’re in the same room as someone else, it can sometimes be an improvement to use two handsets rather than use speakerphone.

Tip Four: Send Out Meeting Notes

You should ensure everyone on the conference call gets a copy of the meeting notes no later than the following morning, while the call is still fresh in everyone’s minds.

There are many helpful guides on the web for effective note-taking, but in essence:

* Don’t try to write down absolutely everything; just the items where an action needs to be taken
* Keep track of who has agreed to be responsible for each action
* Keep track of the deadlines for each action item
* Don’t forget to note the time and date of the meeting and who was present

If the conference call is a regular status update, ensure you note in the meeting notes the time and date of the next meeting. If possible, deadlines for action items should correspond to the dates of status meetings so that the notes can be quickly scanned (or even sorted) for items that need to be chased up in a given meeting.

Tip Five: Keep it Brief

Studies have shown that people start to suffer a number of unpleasant side-effects after holding a telephone receiver to their ear for longer than about an hour. In any event, forty minutes is about the limit of most people’s concentration span.

If you find the call is starting to drag on beyond an hour, it’s a good idea to wrap things up and continue either later that day, or preferably the following day. If you find this is a regular occurrence, it may be an indicator that you need to revisit the agenda, or possibly split the group up into separate, more focussed groups. A particular time-waster is having engineers and businesspeople on the same conference call. A better way to handle this is to have three shorter meetings – one with just the engineers, one with the businesspeople, and one with single representatives from each group to present the results and take any feedback to the next department meeting. With practice, you can keep the length of each meeting down to around twenty minutes.

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The Private Branch Exchange or the PBX phone systems are telephone systems which are created specifically for business purposes in offices. This private branch exchange for Office Phone Systems is created mainly to form a private network between all the users, those who share the selected external telephone lines. This type of office phone systems is ideal for large and medium sized organizations or companies. These phone systems are very cost efficient as they allow sharing a few external lines among the users rather than having individual users use their own external lines. By using a PBX phone system it is very easy to reach someone within the phone system by dialing only a three or four digit extension. In PBX phone system there is some additional features like voicemail with forwarding, reminders, screen display and screen call options. The private branch exchanges for office phone systems are also capable of answering the phones and greet their clients with auto-generated messages and there is also an option for live call transferring in this system.

The Automated Attendant is a phone system accessory that can answer the phone calls by generating automatic messages electronically. The callers are allowed to route themselves through a series of menu prompts by the Automated Attendant. The voice mail systems are generally equipped with the basic automated attendant system. An ACD or Automated Call Distributor is a phone system accessory which helps to route incoming calls among a set of extensions and handles them efficiently. ACDs are mainly used in call centers or enquiry offices where it can process many incoming calls at a same time. The CTIs or the Computer Telephony Integration have broad category of applications. The CTIs are used to connect a phone system to a computer. The CTI retrieves important data from any incoming call and with their expertise and process this data for useful business purposes. The Key System Unit (or KSU) have features like call forwarding, extension dialing and voice mail options. The Voice Over Internet Protocol or VoIP helps users to place voice information in digital form using the Internet.

The office telephone systems are integrated with standard analog telephones, fax machines, cordless and cellular phones with the traditional telephone network and also have the option for the Internet by Voice over IP. The office phone systems have become very popular as they can deliver an easy configurability connection with unprecedented prices.

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