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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