VoIP: Internet telephony services
Internet telephony is a set of hardware and software that enable us to use the Internet connection as a phone. In short, you can use your PC as a phone, as simple as that. For those with Internet connections at no charge or a fixed price, the advantages are obvious, since this system allows them to communicate anywhere in the world at an unbeatable price: free or nearly ...
There are several categories of services available:
- Integrated browser and NetMeeting
- Completely separate applications
The products are known as Internet telephony: IP telephony (IP telephony) Voice Over Internet Voice over the Internet (VOI) - or Voice over IP Voice over IP (VOIP) -. There are very simple products that allow us to talk on the phone and give us more sophisticated than a true video platform. While this is the first we note that we publish on the subject, see: phone via Internet, a new and inexpensive way to communicate, May 2002, the technology is changing and it is necessary to be updated, it will publish a series of notes to explore different alternatives available today. Apart from phone to phone communications, we have PC to Phone, PC to PC, PC fax, etc.
What is VoIP?This acronym refers to the technology used to send voice information in digital form in discrete packets over Internet protocol (IP means Internet Protocol) rather than through the usual telephone network. Before continuing, it might be useful to clarify what is a connection protocol. A connection protocol is a set of rules, a "common language" that both parties agree to use to communicate, it's like saying: Now we are going to communicate in English, and we agree that "this is English, or it is a convention.
VoIP: Advantages and disadvantagesThe main advantage of using a VoIP service is that we should not pay the telephone company through communications, so it is a very tempting for those who use long-distance telephony. A disadvantage is that the quality of transmission is usually a little lower than the phone because the voice data packets traveling in and this can cause delay or loss of any package. It is appropriate to comment that in future notes we will cover recent services which, in some cases exceed the quality call.
How do I use VoIP?
You basically buy a device (the famous VoIP) that visually is a black box that connects to one side to the phone and the other to the PC, but IP phones are also available. Of course one needs to install a software for that device works. This device is sold in the same stores that sell computers.
There are two connection options:
- One of the parties and the other has not VoIp
- Both parties have VoIP
If both parties have the VoIP call is totally free as is called for VoIP to VoIP, you simply dial the phone number and nothing else.
If only the caller has VOIP, then using a card that is purchased online and the call comes out very little. The above card is a plastic card or ticket as those sold in stores, rather it is a virtual card for Internet shopping and buying. It should be noted that one can be installed even if a VoIP telephone, and over a telephone line, as it may designate a line to work directly with the VoIP, while continuing to use it normally.
VoIP is a good alternative for those who have offices abroad and makes long distance calls every day or very long. For more information on other Internet telephony services:
You can perform a search by the following terms: VoIP, Internet telephony, IP telephony, "" improving the quality of Voip, Voip perfomamce improve, Voip high quality voice, Internet fax, "fax over IP."