Free VoIP Services: Not Necessarily Free
 by: Mark Woodcock

Though not a new technology, VOIP, or Voice Over Internet Protocol, has recently begun gaining ground on the traditional long distance telephone industry. Simply put, VOIP is the ability for a person to talk on the telephone over an Internet connection. Using a variety of types of equipment to switch analog sound bits into digital data packets, VOIP has made placing long distance phone calls more efficient, more convenient, and much less expensive. Because there is no phone company or long distance provider involved, there are no monthly fees, long distance toll charges, or other charges associated with a traditional telephone bill. There are many VOIP service providers out there, and more cropping up on a regular basis. That means there is a demand for these providers to offer even lower cost services than they already do. In an effort to increase customers, some providers are now offering what they call “free” VOIP services. It is important to be aware that this type of service is not truly free.

A primary problem with so-called free VOIP services is the limitations that are often placed on the service subscriber. Many “free” providers limit the people you can call to only just users of the service you are yourself subscribing to. Sometimes you can call members of other “free” VOIP services. Because the commercial VOIP service providers, such as Vonage, connect to a traditional phone network, paying subscribers can call anyone with a telephone, whether it is connected to the Internet or not. As a subscriber to a “free” service, you can’t place calls into the public telephone network, and those on a public network can’t call you. This restriction negates the potential convenience that VOIP offers.

There are some “free” VOIP service providers that now offer customers the opportunity to call anyone, whether members of the service or not. This, of course, comes at a price. Service providers can offer this possibility to their customers at arguably lower rates than conventional long-distance providers, both domestically and Internationally, covering most of the globe. Though this is still cheaper (and probably a lot more convenient) than traditional long distance phone service, it is not free, and should not be advertised as such.

Subscribing to any of the free VOIP services are not truly free of cost. Chances are if you are interested in VOIP, you already have a home computer equipped with a soundcard and speakers. But if you want to subscribe to a VOIP service, you are required to have a broadband Internet connection, as dial-up just won’t cut it anymore. Though prices for broadband Internet have come down, it is still a little more costly than dial-up, averaging $30-$40 per month. In addition, you will probably have to invest in a microphone that is specially equipped with an analog-to-digital converter and a USB connector. This will allow you to talk through your home computer when you place calls. Or, you can purchase an IP phone or headset that plugs directly into your home computer. This allows you to talk into a handset or headset, and have a dialing mechanism, much like a traditional telephone. Many IP phones come with a number of added features. Though these are one-time start-up purchases, it is important to note that service providers claiming to offer totally free VOIP services can’t really fulfill their claims.

VOIP isn’t too good to be true. It has the potential to forever alter the course of telephone communications. It is flexible (you can travel with your phone and phone number around the world), it is more than reasonably priced for the services you receive (services often include Call Waiting and Caller ID as part of standard service – features you pay extra monthly charges for with a traditional phone company), and it is convenient (you can check your voice mail from your email account, the voice reception is often clearer, and you don’t get dropped calls like you do with a mobile phone). But, as with many other products and services, you get what you pay for. So, beware of “free” VOIP services. They are not always free, and if they are, they are most likely very limited in what they can offer their customers.

About The Author

Mark Woodcock is a director of 3 Internet Companies, is a published author and has written many articles on a widespread number of topics. All his articles may be reproduced provided that an active link is included to http://www.voip-services-provider.com.

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i am using sony ericsson z550i mobile having both GPS and GPRS facility . I want to connect it with internet (without any bluetooth & chord) using Airtel's Rs.2/day plan. Can anyone tell me how to access internet in detail please…i am in need of it.

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Nokia has been known as the pioneer of mobile phone and has launched number of innovative machines till date. The Nokia 6500 is one of the masterpieces from Nokia that is available in black and silver coloured casing. The phone comes with brilliant specifications that add fun to mobile communication. To avail affordable price you can go for the Nokia 6500 slide O2 deals.

The contract deal availed through O2 will let you get the handset at a price that you can easily afford. Moreover, you will also be able to keep an eye on your pay monthly mobile phone usage.

As per the contract deal, you will have to sign a contract with O2 for a stipulated time that may vary from 12 to 18 months depending on your requirement. During the contract period you can get various incentives such as free talk time, free text messages and mobile phone accessories that will make mobile communication more pocket soothing for you.

The Nokia 6500 comes with an internal memory of 20MB that can be further expanded up to 4GB with a microSD memory card. You can easily store all your audio files, video files, images and other significant data on the phone. The mobile phone has a 3.2 mega pixel camera that will help you capture clear images as well as recode video footage of all the magnificent moment of life.

The powerful battery of the Nokia 6500 can provide up to 320 hours of standby time. In addition to that, the battery gives 6 hours of talk time and is charged by 900mAh capacity. The phone comes with built in web browser so that you can browse through the web pages right on the screen of your mobile phone. You can also connect the phone with other compatible devices with the help of the various connectivity options supported by the handset.

So, go for the O2 contract deals of Nokia 6500 Slide and enjoy mobile communication like never before.

About The Author

Gale Weathers is associated with Best Mobile Phone Deals. He holds a bachelor’s degree in electronics and communication from IIT, Kharagpur. To know more about Nokia 6500 slide O2 deals,mobile phone,O2 contract deals please visit http://www.bestmobilephonedeals.me.uk/

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Anyone happy with the speed and connection with the plug in usb dongle I have signed up for a 2 year contract but am very unhappy as the dongle not even picking up 3g connection so very slow . I would like to hear from other users

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I have Sprint & I have unlimited texting. Do I need to subscribe? or need internet? I know I need to sign up for it, but I'm wondering if there is a fee.

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Have a great day!

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can you get internet on your mobile phone in Mumbai? not so much WIFI, more 3G cell specific stuff.

Cheers!

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InfoWorld – Scoring a customer win for Microsoft’s Windows Azure cloud platform, Volantis Systems on Tuesday is announcing that its Ubik.com online service for building mobile Internet sites will use Azure for storage. …

Hope you enjoy the read as much as I did and please if you have something to say, use the comments form below to let everyone know your thoughts.

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Cell phone (telefone celular) is a wireless, portable, long-range, electronic telephone, which during travel can seamlessly change antenna connections, from one radio reception cell to another radio reception cell, without dropping or losing the ongoing call.

Besides the standard voice function of a telephone, latest cell phones (telefone celular) have features such as SMS for text messages, MMS for multimedia messages, radio, games, internet connectivity for email, browsing, blogging, music (MP3) playback, memo recording, built-in cameras and camcorders, ringtones, personal organizers, Push-to-Talk (PTT), Bluetooth and infrared connectivity, call registers, streaming video, downloading video, video call, and also serve as wireless modems for PCs that can be connected to the Internet.

The power in a cell phone (telefone celular) is obtained from rechargeable batteries, which can be recharged from the mains, a USB port or a cigarette lighter port in an automobile. Nickel Metal Hydride were the most common types of batteries, which due to the “memory effect” (the user can recharge only when the entire battery is drained off) were replaced by Lithium-Ion batteries, which did not suffer from any memory effect.

Cell phones (telefone celular) came into existence because of the invention of hexagonal cells in 1947, for the base stations by Bell Labs engineers at AT&T. This was further developed during the 1960s by Bell Labs. During a call, the channel frequency could not be changed automatically from one cell (base station coverage area) to another cell (base station coverage area) as the person traveled from the area of one cell to the area of another cell. Amos Joel of Bell Labs invented a breakthrough invention and called it as the `call handoff` by which the channel frequency could be changed automatically from one cell to another cell, during the same call, as the mobile user traveled from one cell to another cell. Due to their heavy construction, these phones were used mainly in automobiles.

The first practical cell phone in a non-vehicle setting, and which could be handheld, was invented by Martin Cooper, the General Manager (Communications Division) of Motorola, who made the world`s first handheld cell phone (telefone celular) call on April 3, 1973.

The technology by which the cell phone (telefone celular) works depends on the mobile phone operator; however, all of them use electromagnetic radio waves, which are in touch with a cell site (base station). The base station is composed of several antennas which are mounted on a pole, tower, or building. Cell sites are spread at a distance of 5 to 8 miles (approx. 8 to 13 km) from each other. The low power transceiver from the cell phone transmits the voice and data to the nearest cell site. During movement, the cell phone will “handoff” the information to other cell site. Mobile phone operators use many technologies to maintain the smooth stream of digitized data from the cell phone to the cell site and vice versa.

The wireless telephone technologies are grouped under heads known as generations, starting from zero generation or 0G. The current generation going on is 4G; however, there are old cell phones (telefone celular) that still operate on 1G, 2G, and 3G technologies. The wireless telephone technologies used in each generation are as given below:

0G: PTT, MTS, IMTS, AMTS, OLT, MTD, Autotel/PALM, ARP

1G: NMT, AMPS/TACS/ETACS, Hicap, CDPD, Mobitex, DataTac

2G: GSM, iDEN, D-AMPS, IS-95/cdmaOne, PDC, CSD, PHS, GPRS, HSCSD, WiDEN, CDMA2000 1xRTT/IS-2000, EDGE (EGPRS)

3G: W-CDMA, UMTS (3GSM), FOMA, TD-CDMA/UMTS-TDD, 1xEV-DO/IS-856, TD-SCDMA, GAN (UMA), HSPA, HSDPA, HSUPA, HSPA+, HSOPA

4G : UMB, UMTS Revision 8 (LTE), WiMAX

Frequency bands: SMR, Cellular, PCS

The impact of cell phone (telefone celular) usage on human health has been of considerable worldwide concern. Research studies in Copenhagen, from the Danish Institute of Cancer Epidemiology, the National Cancer Institute, and the Institute of Cancer Research, do not establish any link between cancer and cell phone usage. However, an intergovernmental agency IARC (International Agency for Research on Cancer) forming part of the World Health Organization of the United Nations, undertook a study of 4,500 users and found a statistically significant link between cell phone usage and tumor frequency. Further research is going on.

Cell phone (telefone celular) usage and driving is a common worldwide phenomenon. Some jurisdictions have banned usage of hand-held phones during driving, but allowed the hands-free fashion of cell phone usage while driving. However, studies have found out that the distraction is caused by the conversation itself; hence, both hand-held and hands-free cell phones contribute towards road traffic accidents. Further studies on cell phone usage and driving are going on.

Nokia Corporation is currently the world`s largest manufacturer of cell phones (telefone celular). Other notable cell phone manufacturers, in alphabetical order, are 3G, Audiovox (now UT Starcom), Benefon, BenQ-Siemens, Fujitsu, High Tech Computer Corporation (HTC), Kyocera, LG Mobile, Motorola, NEC, Panasonic (Matsushita Electric), Pantech Curitel, Philips, Research In Motion, Sagem, Samsung, Sanyo, Sharp, Siemens, Sierra Wireless, SK Teletech, Sony Ericsson, T&A Alcatel, Toshiba, and Verizon.

About The Author

Roberto Sedycias works as IT consultant for http://www.polomercantil.com.br

This article can also be accessed in portuguese language from page http://www.polomercantil.com.br/celular.php

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