This article contains the excellent information about the Voice Over IP Protocol.
Voice over Internet Protocol (VoIP) technology is the wave of the future in terms of telephone communication via the Internet. VoIP has several advantages over circuit-switched technology used by local phone companies. Circuit-switched technology uses a ‘permanent’ connection between the caller and callee, which requires a huge amount of bandwidth for each call.
This type of technology can only carry certain types of calls, such as telephone to telephone. Also, the hardware circuit-switched networks need to run effectively are extremely expensive, mostly because voice and data services must be supported on different wires. Therefore, each service needs separate hardware to accommodate the voice and data types of traffic. Needless to say, your local phone company then passes the costs of building and maintaining a circuit-switched network to the you, the consumer. Unforturnately, this equals higher rates for your telephone services.
VoIP – How Does it Work?
VoIP technology is when phone calls travel networks using Internet Protocol (IP). What this means is that the calls are passed through the Internet or privately managed data networks that are using IP to send the calls from one location to the other. So whether the call is passed through the Internet or data networks, the voice stream is broken down into packets, compressed, and sent toward their final destination by several different routes.
This is where circuit-switch technology and IP technology differ, in that circuit-switched technology uses a ‘permanent’ connection for the entire phone call. Once the call reaches the callee, the voice stream packets are reassembled, decompressed, and switched back into a voice stream by several hardware and software elements, depending on the call’s final destination. The type of software and hardware needed to start and end a phone call is determined by where the call originated, such as a PC, phone, or an Integrated Access Device (IAD) and whether the call is going to be completed on a PC, telephone, or IAD.
ADVANTAGES OF VoIP
The following is a list of the numerous advantages for using VoIP:
· Voice and data can be sent over the same lines.
· 8 time the number of phone calls can be placed on those lines than in the circuit-switched environment.
· Quality of sound is excellent.
· Lower operating costs due to reduced hardware requirements and a more efficient network infrastructure.
· Lower cost structures enable lower rates than the traditional telephone companies.
· Use of different devices to talk to one another.
By: Kashif Raza
Posts Tagged ‘Circuit Switch’
VOIP
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VoIP which stands for Voice over Internet Protocol refers to the audio routing conversations via cyberspace or any other network which are IP-based. VoIP communications protocols or Voice over IP Protocols is used for carrying audio signals over information processing networks.
VoIP alters the whole perspective of people concerning long distance calls. In this technique, the Voice analog signals are being changed to digital information which are transferred through the Net. The basic connection of the Net becomes a way in putting telephone calls free of charge. Using VoIP software system for free is the practical way of saving money and getting around telephone companies and their whole charges.
VoIP is an advanced technology with an ability to retread the telephone system absolutely everywhere in the world.
Using VoIP for testing is not a problem because there are a lot of VoIP software systems available in the Net free of charge. All you have to do is to download and install it which takes around 3 to 5 minutes. To trial run it, you may ask a friend to do the same and check it if it’s really working. This is an excellent way.
VoIP are used by almost all telephone companies in streamlining their networks. They’re routing calls via IP getaway and circuit switch bringing down the bandwidth they’re using for long hauls. As soon as the getaway gets the calls, the other side would route, reassemble, and decompress it locally in a circuit switch.
This would take time however the current networks of circuit-switched are substituted by a technology known as packet-switching. The information networks simply retrieve and transmit data if the user requires it. It doesn’t let routing of data thru dedicated line as an alternative it lets moving of data packets through disorganized networks supplied with several possible courses. It only opens brief connections to send the packets (small piece of data) from systems to systems. This technique is really effective since packets flow through the cheapest and minimum congested lines whilst still letting both communicating computers to accept data.
VoIP technology truly makes sense both in infrastructure and economics necessities. A lot of businesses are setting up the VoIP systems and this technology can and will grow more in popularity making its way for home use. VoIP is an amazing find in bettering conventional telephone system to become really efficient and a dependable way of communication.
By: Kamran Chy
