Network+ Guide to Networks 5 th Edition Chapter 11 Voice and Video Over IP.
A Voice over IP Network - Presentation
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Transcript of A Voice over IP Network - Presentation
Universitatea Politehnica Bucureşti - Facultatea de Automatica si Calculatoare
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A Voice over IPNetwork
Alexandru Juncu
322CA
Universitatea Politehnica Bucureşti - Facultatea de Automatica si Calculatoare
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What is VoIP?
An attempt to turn…
…this… …into this.
Universitatea Politehnica Bucureşti - Facultatea de Automatica si Calculatoare
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What is VoIP?
…into this.And this…
Universitatea Politehnica Bucureşti - Facultatea de Automatica si Calculatoare
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What do we have now?
The Internet(Data network)
• Packet switched
• Based on the IP packets
Public Switched Telephone Network(Voice network)
• Circuit switched
• Based on Analog and Digital signals
Universitatea Politehnica Bucureşti - Facultatea de Automatica si Calculatoare
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What do we want?
A converged network(Data and Voice network)
• Packet switched
• Based on IP packets
• Compatible with Analog and Digital signals
Universitatea Politehnica Bucureşti - Facultatea de Automatica si Calculatoare
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Why? Why not?
Advantages
• Easier administration
• Lower overall costs on Infrastructure
• Lower costs per call
• New features
Disadvantages
• Trained people
• Initial investment
• Migration difficulty
• New
Universitatea Politehnica Bucureşti - Facultatea de Automatica si Calculatoare
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The future?
Voice over IP
TV over IP
Anything over IP
Universitatea Politehnica Bucureşti - Facultatea de Automatica si Calculatoare
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Questions?
Universitatea Politehnica Bucureşti - Facultatea de Automatica si Calculatoare
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Thank you.