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,

1566

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

1 2168

Does the network provider supply the NT1 in North America?

1 2186

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 2128

What are these types of NT1 known as?

1 2285

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

1 2175

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

1 2158

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

1 2218

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

1 2019

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

1 2205

What address does an ISDN PRI line always use?

1 2275

Why does there need to be a broadcast TEI?

1 2207

What channel do the call management messages use?

1 2111

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

1 2254

What is the initial call request message called?

1 2289

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Un-Answered Questions { ISDN }

What is Soft-fax and Soft-modem?

1730

How configuration errors in the ISPBX can prevent successful connections?

1341

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

955

How can I get more information?

1513

How the structures of BRI and PRI compare

1691

How Analogue fax and modem over ISDN?

1287

How to vary the the amount of bandwidth you have available to you?

1391

How ISDN and analogue networks interact?

1479

What happens when a call is set up?

1382

Bearer Capabilities - What are they?

1416

What are TEIs?

1526

What Bearer Capabilities are and on which channel they reside?

1511

What are BRI and PRI? What are Channels?

1413

What protocols are used?

1527

How ISDNs are connected together?

1534

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