ISDN Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

ISDN Interview Questions

Questions Answers Views Company eMail

What item of equipment would be required to connect a modem to ISDN? A terminal adapter.

ITI,

1523

What is the name of the reference point that is located on the user side of an NT1?

1 2106

Does the network provider supply the NT1 in North America?

1 2106

In order to be able to plug analogue devices into sockets on an NT1, what extra item of equipment would need to be included within the the NT1?

1 2058

What are these types of NT1 known as?

1 2193

How many devices can be connected to a standard BRI line?

1 2108

What are the two ISDN device addressing methods? The two types of device addressing in ISDN are known as:

1 2097

A device is configured for automatic TEI. What is its address immediately after being switched on - before it starts communicating with the network?

1 2143

In practice, what is the maximum number of devices that may be connected to a BRI which expects a fixed TEI?

1 1964

What is the significance of the TEI in B channel communication?

1 2136

What address does an ISDN PRI line always use?

1 2207

Why does there need to be a broadcast TEI?

1 2142

What channel do the call management messages use?

1 2046

What channel does the end-to-end connection use?

1 2182

What is the initial call request message called?

1 2234

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Un-Answered Questions { ISDN }

How ISDN allows multiple devices to share a single line?

1697

What happens when a call is set up?

1343

How configuration errors in the ISPBX can prevent successful connections?

1294

How the B and D channels share the line?

1337

How to Establish the Link Layer?

1309

What item of equipment would be required to connect a modem to ISDN? A terminal adapter.

1523

Why use ISDN?

1361

What protocols are used?

1477

Bearer Capabilities - What are they?

1377

What is Information Field Structure?

1396

How ISDN and analogue networks interact?

1438

Explain the call flow in nss and what is sri signal?

914

What are SAPIs?

1393

Do you know what is the difference between internet and isdn and is both are same or is there any specific difference?

870

How can I get more information?

1434

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