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IP-Enabled
Services
Internet
Voice, also known as Voice
over Internet Protocol
(VoIP), is a technology
that allows you to make
telephone calls using
a broadband Internet connection
instead of a regular (or
analog) phone line. Some
services using VoIP may
only allow you to call
other people using the
same service, but others
may allow you to call
anyone who has a telephone
number - including local,
long distance, mobile,
and international numbers.
Also, while some services
only work over your computer
or a special VoIP phone,
other services allow you
to use a traditional phone
through an adaptor.
What
is VoIP/Internet Voice?
VoIP
allows you to make telephone
calls using a computer
network, over a data network
like the Internet. VoIP
converts the voice signal
from your telephone into
a digital signal that
travels over the internet
then converts it back
at the other end so you
can speak to anyone with
a regular phone number.
When placing a VoIP call
using a phone with an
adapter, you'll hear a
dial tone and dial just
as you always have. VoIP
may also allow you to
make a call directly from
a computer using a conventional
telephone or a microphone.
How Can I Place a VoIP Call?
Depending
on the service, one way
to place a VoIP call is
to pick up your phone
and dial the number, using
an adaptor that connects
to your existing high-speed
Internet connection. The
call goes through your
local telephone company
to a VoIP provider. The
phone call goes over the
Internet to the called
party's local telephone
company for the completion
of the call. Another way
is to utilize a microphone
headset plugged into your
computer. The number is
placed using the keyboard
and is routed through
your cable modem.
What Kind of Equipment Do
I Need?
A
broadband (high speed
Internet) connection is
required. This can
be through a cable modem,
or high speed services
such as DSL or a local
area network. You can
hook up an inexpensive
microphone to your computer
and send your voice through
a cable modem or connect
a phone directly to a
telephone adaptor.
Is
there a difference between
making a Local Call and
a Long Distance Call?
Some VoIP
providers offer their
services for free, normally
only for calls to other
subscribers to the service.
Your VoIP provider may
permit you to select an
area code different from
the area in which you
live. This means you may
not incur long distance
charges if you call a
number in your area code
regardless of geography.
It also means that people
who call you may incur
long distance charges
depending on their area
code and service.
Some VoIP
providers charge for a
long distance call to
a number outside your
calling area, similar
to existing, traditional
wireline telephone service.
Other VoIP providers permit
you to call anywhere at
a flat rate for a fixed
number of minutes.
If
I have Internet Voice
service, who can I call?
Depending upon your service,
you might be limited only
to other subscribers to
the service, or you
may be able to call any
phone number, anywhere
in the world. The call
can be made to a local
number, a mobile phone,
to a long distance number,
or an international number.
You may even utilize the
service to speak with
more than one person at
a time. The person you
are calling does not need
any special equipment,
just a phone.
What
Are Some Advantages of
Internet Voice?
Because Internet Voice is digital,
it may offer features
and services that are
not available with a traditional
phone. If you have a broadband
internet connection, you
need not maintain and
pay the additional cost
for a line just to make
telephone calls.
With many
Internet Voice plans you can
talk for as long as you
want with any person in
the world (the requirement
is that the other person
has an Internet connection).
You can also talk with
many people at the same
time without any additional
cost.
What
Are Some disadvantages
of Internet Voice?
If
you're considering replacing
your traditional telephone
service with Internet
Voice, there are some
possible differences:
-
Some Internet Voice services don't
work during power
outages and the service
provider may not offer
backup power;
-
It may be difficult for some Internet
Voice services to
seamlessly connect
with the 911 dispatch
center or identify
the location of Internet
Voice 911 callers;
-
They may or may not offer white
page listings.
Can
I use my Computer While
I talk on the Phone?
Yes
Can I Take My Phone Adapter
with me When I Travel?
You may be able to use
your VoIP service wherever
you travel as long as
you have a high speed
Internet connection available.
In that case it would
work the same as from
your home or business.
Does my Computer Have to
be Turned on?
Not if you are making
calls with a phone and
adaptor or special VoIP
phone, but your broadband
Internet connection needs
to be active. You can
also use your computer
while talking on the phone.
How Do I Know If I have a VoIP phone
Call?
It will ring like any other call.
Can
I make free or cheaper
phone calls using the
Internet?
Yes. Phone, fax and video
calls (IP telephony) can
now be placed over the
Internet (or any IP network)
using market available
client software or hardware.
In most instances, users
will only need to make
a one-time purchase of
client software or hardware
to begin placing unlimited
long distance calls for
the cost of an Internet
connection. The quality
of the calls will not
match that of calls placed
over the traditional phone
network but it should
be as good as ham radio
or cb communications.
With additional hardware
and software purchases,
higher quality communications
can be achieved.
How does the technology work?
Briefly, an Internet telephony
application compresses
and digitizes your analog
voice signals and sends
them as individual packets
across an IP network (a
digital network) to the
recipient Internet telephony
application. The recipient
application then decompresses
the voice transmissions
and you have Internet
voice communications.
Internet
calls can be supported
from PC
to PC, PC
to Phone, Phone to
PC or Phone to Phone:
PC to PC
Allows Internet users
to exclusively utilize
PCs to place or receive
a phone call through the
use of a software or hardware
application. This method
of communication requires
that the user's computer
have a microphone, speakers
and sound card. However,
besides just making phone
calls, many of the PC
to PC software phone applications
also enable users to hold
group conferences (3 or
more people), share the
same PC screen, or surf
the Internet as a group.
In addition, some PC to
PC solutions also support
video transmissions through
the use of a PC camera.
PC to Phone or Phone to PC
Allows Internet users
to place a call from their
PC to a traditional phone
or to receive a call on
their PC from a traditional
phone. These forms of
communication utilize
software or hardware applications
that can connect a phone
to a computer or that
connect between the phone
and the wall jack.
Phone to Phone
Allows Internet users
to place an Internet call
directly from a traditional
phone to a traditional
phone. With some solutions,
a computer is not even
necessary. This type of
communication generally
requires the user to open
an account with an Internet
phone company and pay
per minute charges, however,
there are some client
products that will enable
you to use traditional
phones without paying
for the service.
What do I need to begin utilizing
the Internet to make free
or cheaper phone calls?
Generally, you will need
at least a 75 MHz system,
with a sound card, microphone,
speakers, a connection
to the Internet and the
software or hardware application
that will enable you to
place and receive calls
over the Internet. Most
of the Internet telephony
applications will only
allow you to communicate
with other users of the
same application, so both
you and your call's recipient
must be using the same
Internet telephone application.
How to begin utilizing the Internet
to make phone calls:
Individuals or small businesses
that want to make Internet
calls will need to download
an Internet phone software
program or obtain an Internet
phone device. It will
need to be installed in
or connected to the device
(computer or telephone)
that you would like to
use to make a call, configured
to operate properly, then
you can begin making calls.
Medium to large sized
businesses that would
like to utilize the Internet
to place and receive calls
can utilize the software
or hardware applications
mentioned above, however,
those applications do
not always provide the
best possible communications
quality and typically
only allow one user per
application to place or
receive calls. There are
many other Internet communications
solutions that are better
suited for corporations
as they enable corporations
to implement Internet
communication solutions
over a PBX, to voice enable
web sites, to use an existing
or virtual private IP
network to communicate
between multiple corporate
locations, or even to
offer Internet telephone
services. These solutions
will cost more but the
ROI can be expected within
a year of implementation.
Individuals and corporations
can also utilize one of
the many Internet phone
companies (ITSPs) to place
calls from a PC or phone
to any PC or phone in
the world. Using an Internet
phone company will enable
you to bypass the initial
purchase of software or
hardware equipment, however,
you will have to pay per
minute charges associated
with phone bills .
How
to enhance your Internet
phone experience:
To enhance your telecom
experience, you can also
purchase additional equipment
such as headphones with
an attached microphone
(recommended), a camera
(for video communications),
or audio and video cards
specifically designed
for Internet communications.
To view a listing of such
devices, visit our computer peripheral section.
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