How VoIP Works

The following is a brief but effective outline ofYet another option would be to use a "Softphone"
how VoIP services work. This overview appliessolution, which is a software interface which
with most consumer and small business VoIPallows you to use a desktop or laptop PC as a
providers and plans, because the basic principlestelephone. In this case, the PC must be
and components are generally the sameaccompanied by a head set and microphone, or a
regardless of provider.VoIP phone.
VoIP Basics"MAC Address" - Huh?
Very simply, VoIP requires 1) a BroadbandFor all of these options, the MAC address of the
Internet connection via Cable or DSL and 2) ahardware being used will be required at some
piece of hardware that allows the user to sendpoint during the set-up process, prior to activation
and receive calls over the internet.of service. MAC stands for Media Access Control,
The VoIP AdapterFor most people, this hardwareand represents a unique hardware address, and is
will take the form of an ATA (Analog Telephoneused in various networking applications including
Adapter) commonly shortened to simply "theVoIP. This is no big deal. When you sign up for
adapter". Most adapters on the market currentlyservice, there are usually clear instructions for
are very small, lightweight, and easy to use. Theyhow to locate the MAC address of your
are not much larger than a business card carryinghardware, if applicable.
case.Wrapping Up
VoIP PhonesThere you have it, a quick overview of how voip
Other options for using VoIP would include using aworks. Providing you have a broadband internet
VoIP phone (without adapter) that is SIPconnection, getting started with voip service is
compatable. SIP is an application layer controlgenerally easier than getting service with a
protocol commonly used in IP telephony, and ittraditional phone company, and it definitely costs
stands for "Session Initiated Protocol".less.
VoIP Softphone