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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,

1142

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

 1 1498

Does the network provider supply the NT1 in North America?

 1 1410

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 1468

What are these types of NT1 known as?

 1 1501

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

 1 1423

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

 1 1429

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

 1 1499

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

 1 1401

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

 1 1533

What address does an ISDN PRI line always use?

 1 1601

Why does there need to be a broadcast TEI?

 1 1525

What channel do the call management messages use?

 1 1387

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

 1 1512

What is the initial call request message called?

 1 1578

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Un-Answered Questions { ISDN }

What the B and D channels do?

1027

What is Soft-fax and Soft-modem?

1270

What is LAP-D?

945

How to Establish the Link Layer?

905

What is Information Field Structure?

925




Bearer Capabilities - What are they?

941

How ISDNs are connected together?

1079

What is Fractional PRI?

1057

What do the layers look like?

1002

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

982

What happens when a call is set up?

944

What is 2B1Q?

1115

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

986

How Analogue fax and modem over ISDN?

886

What is the Frame Format ?

1018

For More Un-Answered { ISDN } Questions Click Here