3. Key questions

3.1 Describe the distinctive features of the ISDN network.

3.2Name the reference points of ISDN. Explain the location and purpose of each of them.

3.3 What is the difference between the connection of analog devices to the network ISDN from digital?

3.4 Name the types of network terminals ISDN.

3.5 Explain the figure , revealing the stages of switching in ISDN.

3.6 Explain the difference between channels D for BRI and PRI in ISDN network. 3.7List the services provided by the ISDN network.

4. Homework

4.1To draw the block diagram of network ISDN with marking all of its main elements and reference points.

4.2 Draw frame format of physical layer ISDN.

4.3 Draw a frame format LAPD.

4.4 Write answers on test questions.

5. Laboratory task

5. 1To set up the program-emulated answerphone.

5.2Write a new message with length 25seconds and activate the answerphone in 5 seconds after calling.

5.3 To call, and verify that your answerphone works correctly.

5.4.To set up the program-emulated fax to transmit messages.

5.5To create a short message and include in print the cover page of "normal" size. Perform faxing, and its reception on another computer.

5.6 Configure the connection for data transmission by ISDN.

5.7 Prepare 3 files of different type and size.

5.8 To transfer.

5.9 Compare time and speed of file transfer.

6. Requirements to the content of protocol

6.1 Name of laboratory work.

6. Purpose.

6. Results of the homework.

6. A brief description of the work done.

6.5 Conclusions.

6.6 Date, signature of the student, mark.