WELCOME TO PRESENTATION

General Knowledge Of ITTopic : VoIP (Voice over Internet

Protocol)Teacher : HY LeapcheangName : LOEM ChanthyClass : SNA2013-A Date : 18th December, 2012

Definition of VoIP History of VoIP Usage VoIP Type of VoIP What's required for VoIP? Service of VoIP The most popular Advantages & Disadvantages Conclusion References Questions & Answers

CONTENT

Voice over Internet Protocol (VoIP), is a technology that allows you to make voice calls and receive phone calls through the Internet.

Definition of VoIP

VoIP (Voice over Internet Protocol) originated in the 1973. It was started in 1995 by Cisco , 3Com and Vocaltec's

company. H.323,SCCP and SIP are the most protocol used in VoIP.

History of VoIP

Call directly from computer to other computer Convert the voice signal Business

Usage VoIP

Computer to Computer Phone to Computer Phone to Phone VoIP Phones

Type of VoIP

There are requirements that support: - Internet network - VoIP software or hardware- VoIP phone service provider

What's required for VoIP?

There are lots of services:

- Skype

- Google Voice

- Globe7

- Ring central

- Fringout

- Voip.com

- Phone.com

- iChat

Service of VoIP

Service of VoIP

There are five services:

- Skype

- Google Voice

- iChat

- Fring out

- Globe7

The most popular

The most popular

Advantages: - Low cost

- Can talk with multiple people anytime

- Make communication easier

- Online meeting from all the other locations

Advantages & Disadvantages

Disadvantages:- No secure

- Low voice quality

- Packet loss

- VoIP does not work when internet connection down

Advantages & Disadvantages

VoIP (Voice over Internet Protocol) is a technology that allows you to make voice calls and receive phones. The type of VoIP have four such as pc to pc, phone to pc, VoIP Phone and VoIP Adapters . It is easy to use for communication anywhere.

Conclusion

http://lifehacker.com/5781404/the-five-best-voip-or-voice-chat-apps (16,11,2012)

http://www.ehow.com/list_7428047_popular-voip-providers.html (16,11,2012)

http://www.quickstartvoip.com/voip-advantages.html (23,11,2012) http://techtips.salon.com/benefits-using-voip-22040.html

(23,11,2012) http://www.voipsupply.com/voip-headset (30,11,2012) http://www.bloghug.com/voip-service-providers/ (30,11,2012) http://www.voipphonetips.com/how-voip-works.html ( 05,12,2012)

References

Thanks for paying attention!

Questions & Answers