VoIP Technology: The Most Popular Questions And Answers by Milad Mir
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VoIP Technology: The Most Popular Questions And Answers by Milad Mir
VoIP Technology: typically the most popular questions and answers
Introduction
The technology of voice transmission on IP-network (Voice over IP, VoIP) is interesting for many. But what else, because nearly every need inexpensive or even completely free calls around the globe. Like any new technology, for VoIP there is a lot of questions. For many it remains a "white spot". In this article we'll explain what exactly is VoIP and answer probably the most frequently asked questions.
What is VoIP?
Speaking in simple language, VoIP - a technology that enables voice to negotiate via the Internet. Use VoIP to pay less for Your international calls. For example, a well-known system of Skype, offers calls everywhere in the world holiday to a in the average cost of just 2 cents for each minute. Or many VoIP providers offer unlimited VoIP calling plans to US and Canada.
What is the difference between Device to phone from PC to Phone service?
In the truth of device to phone You use a VoIP telephone or perhaps a special adapter, attached to the Internet, but inside the case of PC to phone, an exclusive computer program running over a PC or laptop, and thus, to create calls You need a computer and Internet access.
You can mak Unlimited free calls to India (PC to PC) using Skype.
Is it possible to make use of the equipment of the VoIP provider to utilize others?
Most it often is impossible. Most VoIP-providers from around the world, for example Vonage, AT & T CallVantage and Verizon Voicewing, blocking equipment to use only in its own network. Some providers offer to lease their equipment.
Instead of VoIP, running on the PC, such as Skype and Yahoo Messenger, don't require any special hardware. Anyone can use a variety of VoIP services in one computer.
What are the VoIP requirements?
For any VoIP needs a broadband connection to the Internet (Land line, ADSL, etc.), and the faster could be the channel, better voice quality. Note that for starters user for connecting at speeds of 256 kbit/s for incoming flow, and 128 kbit/s for outgoing will be sufficient. If multiple users, the channel will expand.
Hardware Requirements usually are not so rigid, enough almost any PC purchased inside the last couple of years (and even older). Of course, certain requirements may vary for various providers. Naturally, you'll need a sound input device (microphone) and output (headphones).
Traffic figures
Many VoIP providers are employing the codec G.711 which has a sampling of 20 milliseconds, while generating a stream of 64 kbps. Here adds headers IP, as well as the flow increases up to 71.6 kbps. If you hook up to the Internet utilizes a technology Frame-Relay DSL (or cable modem), the flow increases approximately 81.6 kbit / s, of course, if the ATM DSL (a favorite option), the flow increases to 106 kbps. Note that this flow is within each direction, to be able to hear also to speak (which is outgoing and the incoming stream to the Internet connection).
Milad Mir spent some time working in communications sector for over 4 years. He is the person behind az-voipproviders.com A website to compare VoIP Providers and a list of Voice over IP Providers.
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