| VoIP also called as Voice over Internet
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| | IP phones are directly connected to the
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| Protocol, Voice over Broadband or VOB,
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| | router with all the necessary software
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| Internet Telephony, IP Telephony,
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| | and hardware in handling IP calls. IP
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| Broadband Phone, and Broadband Telephony
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| | phones that are Wi-Fi will also soon be
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| refers to the voice routing conversations
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| | available. VoIp calls can be done at all
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| via Internet or any other network that
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| | Wi-Fi hotspot.
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| are IP-based. VoIP Protocols or Voice
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| | 3. Computer to computer is the easiest
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| over IP Protocols is used for carrying
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| | method of using VoIP. Calling long
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| voice signals over IP networks. It is the
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| | distance is free. There are a few
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| result of the Network Voice Protocol
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| | companies which offer free or very cheap
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| experiments invented on 1973 for ARPANET
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| | software to make use of this method. The
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| providers. One network is used for
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| | user only needs a microphone, sound card,
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| carrying data and voice especially for
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| | speakers, Internet connection (via DSL
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| users with underutilized network. This
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| | modem or cable) and the software.
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| allows saving significant amount of money
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| | However, the users need to pay the ISP
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| because phone calls using VoIP on
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| | monthly fee.
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| different providers are usually free.
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| | Trying VoIP is not a problem since there
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| However, calling from VoIP to PSTN will
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| | is plenty of VoIP software in the
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| charge the person using the VoIP.
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| | Internet for free. All you need to do is
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| The PSTN to VoIP services are Direct
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| | to download and setup it at about 3 to 5
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| Inward Dialing (DID) and access numbers.
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| | minutes. To test it, you could invite a
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| In DID, the callers is directly connected
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| | friend to do the same and check it if
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| to the user of VoIP but in access
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| | it's really working. This is a good
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| numbers, the callers is required to enter
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| | opportunity. VoIP are used by most phone
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| the VoIP user's extension number. A
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| | companies in streamlining their networks.
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| monthly fee is charged on DID while
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| | They are routing phone calls via IP
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| access numbers is free of charge for VoIP
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| | getaway and circuit switch reducing the
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| users and local calls for callers. VoIP
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| | bandwidth they are using for long hauls.
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| changes the entire viewpoint of people
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| | Once the getaway received the calls, the
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| regarding long distance calls. In this
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| | other side will route, reassemble, and
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| method, the audio analog signals are
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| | decompress it locally in a circuit
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| being transformed to digital data that
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| | switch.
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| are transmitted via the Internet. The
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| | This will take time but the current
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| standard connection of the internet
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| | networks of circuit-switched are replaced
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| becomes a way in placing phone calls for
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| | by a technology called packet-switching.
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| free. Utilizing VoIP software for free is
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| | The data networks just retrieve and send
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| the practical way of saving money and
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| | data whenever the user needs it. It does
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| bypassing phone companies and its entire
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| | not allow routing of data via dedicated
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| charges. VoIP is an innovative technology
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| | line instead it allows flowing of data
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| with an ability to rework the phone
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| | packets through chaotic networks provided
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| systems completely all over the world.
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| | with numerous possible paths. It simply
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| VoIP is a one way phone call but offers
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| | opens brief connections to send the
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| different VoIP services commonly used
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| | packets (small piece of data) from
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| today.
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| | systems to systems. This method is very
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| 1. ATA is the most common and simplest
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| | efficient because packets flow through
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| way of service using the Analog Telephone
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| | the cheapest and least congested lines
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| Adaptor device which converts analog
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| | while still allowing both communicating
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| signals to digital signals. It allows
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| | computers to accept information.
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| standard phone connection to your
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| | IP technology really makes sense both in
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| computer or internet connection for VoIP
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| | infrastructure and economics
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| use. The converted analog signals are
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| | requirements. More businesses are
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| transmitted on the internet.
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| | installing the VoIP systems and this
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| 2. IP phones are specialized phones
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| | technology will grow more in popularity
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| resembling normal phones with cradle,
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| | making its way for home use. VoIP is a
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| buttons, and handset. The only difference
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| | breakthrough in improving traditional
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| is that a phone connector (RJ-11) is used
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| | phone systems to become very efficient
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| by standard phones while an Ethernet
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| | and a reliable way of communication.
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| connector (RJ-45) is used by IP phones.
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