Internet telephone calls - voip basics
| Added: 14-11-2005 Author: Nermine Shaker Category: VoIP |
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VoIP stands for Voice over Internet Protocol and do what he suggested the name - is the voice transmit data using IP packets over the Internet. This is also called Internet telephony. It's easy to understand VoIP, if you know a little about our system telephone - PSTN (Public Switched Telephone Network) and less on the Internet.
Your traditional land line to send the call to copper or fiber or posts Tuners land telephone lines connected to your home. When someone does call, one route is to continue to be made between two phones and the flow of information in this circle continues. As you know from paying your bills, and more routes, more expensive calls.
Voice over IP works a little differently. Working with the Internet, which is a packet-based network. Packet-based simply means that instead of continuing to send a string of news, it sends small packets of information.
With Voice over IP, your voice into digital signals sent over the Internet. There are three ways you can do: 1) using a VoIP phone; 2) using a computer microphone and speakers, or 3) using a conventional telephone and VoIP ADAPTER. Because the IP packet in a small comparison, downloading different files, all of this happens in real time, like your normal phone.
Advantages of VoIP
Because it is done through the internet, once you have the tools in place, there are a number of benefits.
The main reason for the popularity of VoIP is the cost advantage. With a regular phone service, you usually pay a monthly fee for your call and the average per-minute charge for long distance calls. Internet connections are charged using a flat monthly fee only. VoIP reason not so much per-minute fee for long distance, do not you pay the bill. If the distance to make a call, Voice over IP, of course, will save a lot of money. If you are using the internet for all data traffic and voice calls, you can kujikwamua one month payment.
Another cost advantage is that because it uses a broadband Internet connection, then the effective use of existing infrastructure and are ready to use your computer. There are only small programs and purchase equipment.
Hasara for VoIP
There are several weaknesses to Voice over IP. One of them is QoS or Quality of Service. Because there is your voice to carry information packets instead of continuing the flow of information, there will be a delay problem, strange size, Reverberation and noise. VoIP quality depends on many factors - your broadband connection to the equipment, Internet Service Provider (ISP) and the destination of your phone, just a few names.
While Voice over IP has made significant progress during the 5 years in terms of quality of service, still has a ways to go.
Another weakness is that in the event of power failure, you lose the ability to make and receive calls, unless you have a battery backup for your computer. With traditional phone service, is one of the Strings associated with the phone lines and phone companies to provide power independent of your home or business electric power systems. So usually you call or signal loss due to loss of power and traditional services.
Another criticism of VoIP services is a historical problem of 911 emergency services. Although traditional phone service, the system 911 can identify the location and phone number for connected and brought into the country. With VoIP, you are calling via the internet and the real signal can travel significant distances before the spread of the local service center 911. Thus, geographic, system 911 may have difficulty identifying your area. Most VoIP services now includes what is known as the 911 service improvement. This is a process that signal to travel through the network to send calls to the physical address location. VoIP equipment providers can now charge an additional fee for this service.
Businesses that may want to use Voice over IP to save money need to see any security issues there. This is because of VoIP, information is sent over the Internet. Just like any computer connection, it is possible that you may Packer Intercept sexual information. It is important to investigate the network equipment providers to determine how to route the data, what firewall or other protection provided for security purposes.
If you are willing to look into a VoIP phone or fax service, you can visit the electronics retailer, large discounts, retailers and online information searches. There are different types of VoIP service providers now. Equipment used, the cost of equipment, the cost of accessories, and the cost of each service can be improved and should be compared.
You should buy and use a cellular system that you feel is best suited for your needs in terms of how many phones you want to connect the type of security system you need and the cost of procurement of equipment and services.
You may want to use telecommunications management services for the cost analysis to see if Voice over IP will be suitable for your company.
VoIP technology is still new and hopefully there will be more improvements and innovations in the coming years.
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