ISDN Interview Questions
Questions Answers Views Company eMail

What is the difference between Internet and ISDN ? Is both are same or is there any specific difference ...?

IBM,

6 10841

call flow in nss ? and what is sri signal?

Ericsson,

3 12883

What is ISDN's history?

377




Why use ISDN?

394

What are BRI and PRI? What are Channels?

396

What do the layers look like?

IBM,

399

What protocols are used?

397

What happens when a call is set up?

422




How can I get more information?

422

How ISDN allows multiple devices to share a single line?

654

What is 2B1Q?

543

What is the Frame Format ?

462

What is LAP-D?

387

What are SAPIs?

383

What are TEIs?

509


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Un-Answered Questions { ISDN }

What happens when a call is set up?

422


How ISDN allows multiple devices to share a single line?

654


What are SPIDs?

404


What is the Frame Format ?

462


What is Fractional PRI?

487






Bearer Capabilities - What are they?

397


How can I get more information?

422


How Analogue fax and modem over ISDN?

363


What the B and D channels do?

433


What are TEIs?

509


How the B and D channels share the line?

432


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

462


What are SAPIs?

383


What Bearer Capabilities are and on which channel they reside?

429


What is Soft-fax and Soft-modem?

677