Introduction Chapter 1 Instructor Ming-Feng Chang, [email protected] EC 425, 5731812 Textbook “ Carrier Grade Voice over IP. ” D. Collins, 2nd ed., McGraw-Hill, 2003. Additional technique reports and papers Requirements Homework and machine problems 25% One mid-term exam 45%
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INAP/TCAP MessagesThe Telephone Network
End Office Switch
Circuit Switched Network
The interface between VoIP and PSTN
The critical habit of thought, if usual in society, will pervade all its mores, because it is a way of taking up the problems of life. Men educated in it cannot be stampeded by stump orators ... They are slow to believe. They can hold things as possible or probable in all degrees, without certainty and without pain. They can wait for evidence and weigh evidence, uninfluenced by the emphasis or confidence with which assertions are made on one side or the other. They can resist appeals to their dearest prejudices and all kinds of cajolery. Education in the critical faculty is the only education of which it can be truly said that it makes good citizens.
William Graham Sumner, Folkways, 1906
Skype has released APIs for Skype developers. (https://developer.skype.com/)
1. Give a brief description (less than one page) on the functions the APIs.
2. Look on the web and list a number of interesting applications based on Skype API.
3. What other useful applications can be developed?