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ISDN Interview Questions
Questions Answers Views Company eMail

What are B channel charateristics?

1 864

What is the D channel used for?

1 1022

Why can you not normally send data between users through the D channel?

1 1359

Why is there only one D channel in each interface?

1 1071

Name two significant differences between B and D channels.

1 1490

What is the maximum number of simultaneous connections supported by a Basic Rate Interface?

1 811

What is the maximum number of simultaneous connections supported by a Primary Rate Interface?

1 917

If two ISDN channels are used together, each connecting the same pair of users, how many calls are being made?

1 898

How ISDNs are connected together?

646

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

650

How configuration errors in the ISPBX can prevent successful connections?

556

When multiple users on an ISPBX are making calls, how many users does the public ISDN network see?

1 850

Do users on an ISPBX have a D channel connection to the ISPBX or to the public ISDN network? The users on an ISPBX do not communicate directly with the public network at all.

1 1006

An ISPBX can behave like a single user and a network - true or false? True.?

1 790

A user on an ISPBX can use different D-Channel protocols to those in use by the public ISDN network connected to the ISPBX - true or false?

1 868


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Un-Answered Questions { ISDN }

What is Information Field Structure?

620


What is LAP-D?

581


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

650


What happens when a call is set up?

607


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

645






Why use ISDN?

609


How Analogue fax and modem over ISDN?

540


What is Soft-fax and Soft-modem?

891


How the B and D channels share the line?

616


What is the Frame Format ?

655


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

113


How ISDNs are connected together?

646


How configuration errors in the ISPBX can prevent successful connections?

556


What is ISDN's history?

579


What the B and D channels do?

618