Voice over Internet Protocol (VOIP) Technology.
                     VOICE OVER INTERNET PROTOCOL (VOIP) 
TECHNOLOGY
Introduction
Voice over Internet Protocol 
(VoIP), is a technology that 
allowing you to make voice calls 
over a broadband Internet 
connection instead of a analog 
(regular) phone line. 
Some VoIP services allow you to 
call people using the same 
service, but others may allow 
you to call anyone. 
Source: www.geeksforgeeks.org
VoIP services
They can have a telephone 
number including local, long 
distance, mobile, and 
international numbers or not. 
Some VoIP services only work 
over your computer or a special 
VoIP phone while other services 
allow you to use a traditional 
phone connected to a VoIP 
adapter.
Source: www.geeksforgeeks.org
How VoIP / Internet 
Voice Works?
Voice are converted into a 
digital signal by VoIP services 
that travel over the Internet. 
If regular phone number is 
called, the signal is converted to 
a regular telephone signal i.e. 
an analog signal before it 
reaches the destination. 
Source: www.geeksforgeeks.org
Wireless hot 
spots
VoIP can allow you to make a 
call directly from a computer 
having a special VoIP phone, or 
a traditional phone connected 
to a special adapter. 
Wireless hot spots in locations 
such as airports, hospitals, cafes 
etc. allow you to connect to the 
Internet and can enable you to 
use VoIP service wirelessly.
Source: www.geeksforgeeks.org
Equipments 
Required
A high speed Internet 
connection is required which 
can be through a cable modem, 
or high speed services such as a 
local area network. 
A computer, adaptor, or 
specialized phone is required. 
Some VoIP services only work 
over your computer or a special 
VoIP phone. 
Source: www.geeksforgeeks.org
Equipments 
Required Cont.
Other services allow you to use 
a traditional phone connected 
to a VoIP adapter. 
If you use your computer some 
software and an inexpensive 
microphone is needed. 
Source: www.geeksforgeeks.org
VoIP adapter
VoIP phones plug directly into 
your broadband connection and 
operate largely like a traditional 
telephone. 
If you use a telephone with a 
VoIP adapter, you can dial just 
as you always have, and the 
service provider may also 
provide a dial tone.
Source: www.geeksforgeeks.org
Advantages of 
VoIP
Some VoIP services offer 
features and services that are 
not available with a traditional 
phone, or are available but only 
for an additional fee.
Paying for both a broadband 
connection and a traditional 
telephone line can be avoided.
Smoother connection than an 
analog signal can be provided.
Source: www.geeksforgeeks.org
Disadvantages 
of VoIP
Some VoIP services don’t work 
during power outages and the 
service provider may not offer 
backup power.
Not all VoIP services connect 
directly to emergency services 
through emergency service 
numbers.
VoIP providers may or may not 
offer directory assistance.
Source: www.geeksforgeeks.org
THANK YOU