Chief Transmission and Switching Engineer(JP

Let's do study and measures of "Telecommunication chief engineer examination" where a good teaching material doesn't exist though the examination contents is advanced little by little.

2010/08/25

The chief telecommunications engineer is confusing.

Then, let's study the chief telecommunications engineer today.
Well..always..chief telecommunications engineer..say..chief telecommunications engineer..licensed electrician..often..make a mistake..chief telecommunications engineer..chief transmission and switching engineer..chief line engineer..classify..target..do..chief transmission and switching engineer..specialized subject..wireless..exchange..transmission..data communication..communication..electric power..divide. Because the type takes up various topics ・・・ It is "It is confusing" really, and even if good is said, today's material is ↓↓ without mentioning it though said. ・・・ "It is necessary to receive any on earth" when it is taken an examination for the first time and "It only has to choose the good one" because of [nin] ..becoming..


-SIP

The SIP terminal generates the request and plays the role of UAC(User Agent Client) as a client. Moreover, the SIP terminal plays the role of UAS(User Agent Server) that generates the response by processing the request.

These sentences are correct.
- The terminal of * SIP :. "The role of UAS that processes the request is played. "
- Both the server and the client work.



The server that composes the SIP server is classified into three (the proxy server, [ridairekutosa-ba], and the registration server) according to the function.

These sentences are correct.
- Proxy server
- [Ridairekutosa-ba]
- Registration server




In UAS, the proxy server has the request and it has the function to turn the response to UAC and to forward. Moreover, the proxy server generates the request, and plays the role of UAC as the client.

These sentences are mistakes.
- - The proxy server doesn't generate the request though the proxy server has the request and it has the function to turn the response to UAC and to forward in UAS.
- The client is generation [surumondakarana] .. , ..reeling.. request。。



Well, today's material was "SIP". SIP is abbreviation of Session Initiation Protocol and a kind of the IP communication. The high one is a charm. the advantage of smoothness etc. and compatibility with Web easily and ..analysis.. develop because it is a protocol of the text base compared with H.323 Communication..person..develop..one..legacy..terminal..operation..part..communication method..idea..near..software..shop..develop..one..so-called..telephone..shop..common sense..pass..part..provide..late-started..now..one..communication..world..powerful..become..think..nowadays.It examines it on the book and the net when interested. Then, around here ・・・ today

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