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,

1522

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

1 2098

Does the network provider supply the NT1 in North America?

1 2102

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 2051

What are these types of NT1 known as?

1 2183

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

1 2094

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

1 2083

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

1 2132

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

1 1954

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

1 2127

What address does an ISDN PRI line always use?

1 2197

Why does there need to be a broadcast TEI?

1 2130

What channel do the call management messages use?

1 2038

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

1 2171

What is the initial call request message called?

1 2224

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Un-Answered Questions { ISDN }

How ISDN allows multiple devices to share a single line?

1684

What is Fractional PRI?

1447

What are SAPIs?

1381

What is Soft-fax and Soft-modem?

1688

How users are connected to a public ISDN through an ISPBX?

1394

What is 2B1Q?

1491

How configuration errors in the ISPBX can prevent successful connections?

1289

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

1349

What are SPIDs?

1446

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

907

What is ISDN's history?

1385

What are TEIs?

1472

How the structures of BRI and PRI compare

1652

How to Establish the Link Layer?

1300

How ISDNs are connected together?

1484

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