Voip, Voice Over Internet Protocol

Essay specific features

 

Issue:

Literature

 

Written by:

Jennifer H

 

Date added:

April 16, 2012

 

Level:

University

 

Grade:

B

 

No of pages / words:

8 / 1991

 

Was viewed:

763 times

 

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Essay content:

There are two forms of echoes on voice networks, Hybrid and Acoustic Echo. Hybrid echo is an electrical signal reflection that occurs at the 4 –wire to 2 – wire conversion point in a PSTN network. It is caused by impedance matching. It enters a VoIP network whenever there is a connection between PSTN and VoIP networks...
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Hybrid echo is an electrical signal reflection that occurs at the 4 –wire to 2 – wire conversion point in a PSTN network. It is caused by impedance matching. It enters a VoIP network whenever there is a connection between PSTN and VoIP networks. Acoustic echo on the other hand is non – linear and is usually caused by poor acoustic isolation between the speaker and microphone of a device...
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