What is Voice Over IP ? Why use VOIP?

In more common terms, VOIP or Voice Over IPThere are two main reasons to use VOIP are:
Phone is phone service over the Internet or is an1. Increased functionality  
acronym for Voice Over Internet Protocol. If you2. Lower Cost   
a person who has Internet then you can get thisIncreased Functionality: VOIP makes easy some
phone service delivered through that Internetthings which are  tough or impossible with
connection instead of from your local phonetraditional phone networks.
company.Incoming phone calls are routed to your VOIP
Many people use VOIP with their traditional phonephone automatically where ever you plug it into
service, since Voice Over IP Phone companies orthe network. Take your VOIP phone with you
VOIP service providers provide lower rates thanand anywhere you connect it to the Internet, you
traditional phone providers, but sometimes doescan get your incoming calls.
not provide 911 service, 411 service, phoneBy using VOIP phones, call center agents can
directory listings or other  phone services. Manyeasily work from anywhere with a good Internet
VoIP providers provide these services, consistentconnection.
industry-wide means of offering these are stillLower Cost
developing.In common phone service via VOIP costs much
A VOIP company provides VoIP Business Phoneless than equivalent service from traditional
Systems or VoIP phone systems. Its mainsources. This is a function of traditional phone
products are EXTender, Upgraded Hardwareservices either being government or monopolies
Products, PBXgateway, PBX platforms etc.  entities. There are also some cost savings
How does VOIP work?because of using a single network to carry data
What is required is to turn analog phone signalsand voice. This is true when users have existing
into digital signals which can be sent over theunder-utilized network capacity which they can
Internet. This is the function that can either beuse for VOIP without any extra costs.
included into the phone itself or in a separate boxIn most of the case, users see VOIP phone calls
such as an ATA .   even international calls as free. While there is a
Applications using VOIPcost for their Internet service, using VOIP over
Traditional telephony applications like inbound IVRthis service may not include any additional
applications and outbound call center applicationscharges, so the users view the calls as free.
can be run on VOIP.There are numerous services that have sprung
Why we should use VOIP?up to facilitate this type of free VOIP call.