Posts Tagged ‘telephone’

Introduction To VoIP Technology And Phone Calls

Wednesday, December 21st, 2011

VoIP technology is based on the integration of the internet with telephony applications, equipment and networks. In essence, voice data is transmitted over the net in digital form instead of the analog signals that go over public switched telephony networks (PSTNs). This Voice over IP technology makes the traditional phone and landline redundant, since it only needs the internet and a special broadband phone.

Technology: The technology is based on converting voice signals that are analog into digital packet data that conforms to the Internet Protocol or IP. These digital packets can then be transferred over packet-switched networks such as the internet, and other LAN and WAN networks. At the other end, the digital packet data is again decoded and converted back to analog signals.

By converting their data into little packets similar to the data flowing on the internet, Voice over IP providers are able to piggyback on internet infrastructure and bypass the telecom companies’ PSTN networks. Voice signals can be transmitted to any place on earth which has internet connectivity. All it needs is a broadband phone with the required voice codecs to convert analog signals to digital data and vice-versa.

The user is required to have an ADSL modem and internet line, along with an active internet account with a local ISP. In other words, there should be broadband internet available for use. The VoIP phone looks just like a cordless phone, although it can also be software installed on a computer and used with the mike and earphones of a headset.

Usage: A computer is not necessarily required to operate the phone, if the broadband phone is purchased. Note that a computer may still be needed once for the initial installation and configuration of the phone. Apart from buying the high-tech phone, using Voice over IP is about the same as using a landline phone – just dial, talk and listen, and hang up when the conversation is over.

Features: VoIP phones offer most of the standard services and features available to subscribers of normal land lines and mobile phone networks. This includes caller ID, voice mail, call waiting, forwarding and transfers, three-way calls, etc. Accounts can be managed online, and the calls made with prepaid credits and topups, or postpaid on a monthly basis.

Calling rates: The free and cheap phone calls are probably the biggest advantage of using VoIP phones and technology. Calls between these phones on the same network are always free, since it is the same as two people chatting on the internet using computers. When more people start joining these Voice over IP networks, more and more calls will become free.

Even calls made to landline or mobile phones outside the provider’s network are a lot cheaper. National and international calling rates for VoIP can even be 50% lower than landline rates. The costs of using Voice over IP phones will go down even more once traditional telecom companies start routing the majority of their voice data through the internet to reduce the cost and load on their old congested networks.

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Get Unlisted Phone Number

Tuesday, November 1st, 2011

Searching for personal information on a phone number that just called you earlier is as simply as going online and using a 411 search. However, what if the number you are looking for is not listed? Should this be the case, then what you might want to learn is on how to get unlisted phone number information. It turns out that the number you are trying to gain information from is actually either a cell phone number or perhaps even a landline number where the owner deliberately kept his details private.

But this does not mean that it is impossible to get the information you want simply because there is still a specialized method you can resort to which is commonly called reverse phone number search. Reversing phone numbers comes with a lot of benefits. And to get unlisted phone number information is just one of the many useful information you can get from doing so. If you are looking for someone who has been missed for quite some time yet all you have is an old phone number, reversing it might just give you some details such as knowing the person’s present whereabouts.

This reverse processing in fact is also being used by private detectives to help out in most of the cases they are working on. Not only will it prove to be convenient, you can also save a great amount of time should you get the results upon doing your search.

There are many other situations wherein to get unlisted phone number details will prove to be very helpful. One good example is when you often get calls from someone you actually know nothing about or during those times where whether you like it or not, your phone just keeps on ringing and it seems that there is simply nothing you can do. Calling back the number on the other hand will only result to a waste of your time simply for not getting any answers in return.

Whenever situations such as these arise, it is high time to learn how to get unlisted phone number details right away. The moment you spend for not getting some clear answers can only add to the anxiety you might already be suffering from getting such phone calls. This process is quite legal so there is nothing for you to worry about aside from making sure not to use the information you can gain for malicious acts.

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The Invention Of Cell Phones

Saturday, August 14th, 2010

Images of old cell phones from the 90s are a surefire way to spark laughter-they are big, cumbersome, and look ridiculously outdated compared to the small gizmos we have today. So it should be surprising to learn that the first conception of crude, mobile phones actually dates all the way back to 1947. Researchers tried to evolve the technology used in walkie talkies. They realized that by using small cells instead of relying on single frequencies they could reuse the same frequencies, and thereby dramatically increase the traffic capacity. In other words, the initial kernel of invention was present, but unfortunately its potential was halted.

The FCC (the organization in the U.S which regulates anything to do with broadcasting or sending television or radio waves) blocked AT & T’s request to allocate a large number of radio spectrum frequencies. This would have provided the groundwork for widespread cell phone use and would have given AT & T incentive to further develop the technology. Under the strict FCC regulations of the time, airwaves only allowed for twenty-three phone conversations to take place at any given time. This mentality was symbolic of the limited understanding of cell phone technology’s potential. In hindsight it looks like a boneheaded decision, but it should be remembered that this was 1947, so the FCC should be at least partially excused for not understanding the full implications of modern communications technology. Still though, the idea lay buried for decades.

It wasn’t until 1973 when Dr. Martin Cooper, former general manager of the Systems division at Motorola, was credited with making the first ever call on a portable cell phone-a privilege he enjoyed as its chief creator. Ironically, the first call was made to the head of research labs at Bell, their chief competitor. Perhaps this was actually fitting since Bell was responsible for inventing the crude mobile phone that was designed to be used in police cars in the 40s. Four years later, Bell created a prototype that was used on trial in Chicago by up to two thousand people. Two years after that, in a completely unrelated venture, a separate operation was undertaken in Tokyo. There was considerable international buzz about the new technology as it went from being something existing only in science fiction to something that would appear imminently.

In 1981 Motorola joined with American Radio Telephone to start a second U.S. cellular telephone system test in Washington and Buffalo. The movement was gaining momentum, and by 1982 the FCC finally authorized commercial cellular services for the United States. Ameritech made the first American commercial analog cellular service available in Chicago. Still, the technology was expensive and it was far from being as accessible as cell phones are today. But by 1987 cellular phone subscribers exceeded one million and airways were crowded.

The 90s brought on a new wave of cell phone technology that ushered in the modern era where one belongs to the average person. Yes, those big 90s clunkers look old, but who would have believed that the cell phone was actually conceived of so many decades ago?

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The Future Of Telecommunications And Geospatial Solutions

Sunday, May 9th, 2010

If Telecommunications And Geospatial Solutions continue in the same vein as before, they will shape the future of human society by banding us even closer together. When physical space on the planet (Geospatial) becomes irrelevant, it will be because of our increasingly more advanced communication abilities. Humans have a tribal instinct that always has, and always will, keep us banding together.

As a species, we have always wanted to gather together in order to survive and flourish. We have an instinct to follow leaders. Even those leaders have this instinct, and look to others, or at least the ideas of others, to lead them. We think like one mind when we’ve put our heads together. We oftentimes play one tribe off the other, so our own tribes can learn from their mistakes and we can broaden our own means of growing and interacting.

Long distance conference calls used to be, at one time, disembodied voices and pauses between speakers as the information was relayed; sometimes minutes for each line in a conversation from Montreal to Auckland. Then the pauses got shorter and disappeared. Then the voices began to have faces. People in Montreal could now feel like they were actually looking at people from Auckland.

So of course now the goal is to make such an improvement in communications that people in lots of different settings, besides offices and homes, are able to communicate like they’re in the same room! No longer will it even be necessary to think about where on the physical globe a person is standing. The communication exchange would be so quick, and the spatial data so large, that even on a chairlift in Calgary you’ll be able to relay whole streams to someone in the back alleys of Ottawa. You’re as good as being in the same room.

This is all happening now, of course. But when even larger amounts of spatial data can be sent even quicker, it will make this possible on an ever-growing scale. The faster and quicker we can communicate the most information, the larger those new groups that require no physical space of their own will grow.

If this happens for a long enough time, only a few of these huge new groups will exist at all on the planet. They would be communicating with each other so fast and effectively, that the people that make them up might as well be considered to be thinking alike. They would still have their individuality of course, but now their thinking will be nuanced in such a way that their thinking is the same when viewed from the scale of the group. The groups will then take on their own distinctions and become individual thinkers themselves.

So the physical space itself? It will be the apparatus that support the people who all think (relatively) alike. For all the different of these groups on the Earth, there will be that many sections that will function as the “bodies” of those groups. They will be like their own organisms. Soon, there will be only one group of people left, it’s body all the things we have constructed for ourselves, feeding on the planet.

The final future of telecommunications and geospatial solutions is that it will create mass cultures of humans that will eventually come to behave as their own organisms.

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