Page 67 - TechPluse_C8_Flipbook
P. 67

The Inbox of Gmail account looks like this:

























                                                             Inbox of Gmail
                 Video Conferencing

                 You use telephones and mobiles to talk to your friends and relatives. With the advancement in
                 technology, you can now see the person with whom you are talking. This technique of watching
                 the person while talking to him is called video conferencing. In video conferencing, there can
                 be two or more persons at different locations simultaneously talking to each other by both audio

                 as well as video. For video conferencing, you should be connected to Internet. In addition, you
                 need to have a webcam and a microphone connected to your computer/laptop.
                 Video conferencing is very useful. Representatives of companies located at different places can
                 get in touch with each other face to face by using video conferencing. It has promoted e-learning

                 as knowledge of teachers and lecturers living in cities can be brought to remote areas. In Medical
                 field, the surgeons can guide surgeries happening in different locations of the world from their
                 own hospital. Most of the online chat service providers give facility of video conference. There
                 are software also available which allow you to do video conferencing. Some popular software are
                 iCall, TrueConf, Meetings.io, etc.

                 Voice-over-Internet Protocol (VoIP)

                 Voice-over-Internet Protocol (VoIP) is a technology which gives calling facility over the Internet.
                 It is basically used for voice communications.
                 VoIP is an Internet based telephone service which is also used to transfer voice, fax, SMS and

                 voice messaging. VoIP is available on smart     Clickipedia
                 phones, personal computers, laptops and
                 other  hardware  devices that  can  access       The first VoIP service was developed in 1973
                 Internet.                                        by  Danny  Cohen.  He  named  this service  as
                 The use of VoIP has many advantages like:        Network Voice Protocol (NVP). The commercial

                    Low cost of operations.                       use of VoIP started as late as 2004.
                    Less communication and infrastructure cost.


                                                                             Internet Services and Cyber Crime        65
   62   63   64   65   66   67   68   69   70   71   72