ISDN Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

ISDN Interview Questions

Questions Answers Views Company eMail

Bearer Capabilities - What are they?

1078

A fax call call might be designated as a generic analogue call or specifically as a fax call - true or false?

1 1719

How can you find what Bearer Capabilities are specified on an incoming or outgoing call?

1 1863

How ISDN and analogue networks interact?

1153

How Analogue fax and modem over ISDN?

1015

What is Soft-fax and Soft-modem?

1417

What is the device inside an ISDN telephone that converts voice into digits?

1 2020

What happens to these bits when they are received by the ISDN telephone at the other end?

1 1760

What device converts the signals between the ISDN and the PSTN networks?

1 1909

For all the above conversions to succeed, what must be common?

1 1686

What is the purpose of an ISDN Terminal Adapter?

1 1979

Does a Terminal Adapter always contain a Codec or Modem?

1 1772

What are the two options for implementing fax using an internal ISDN card?

1 1706

What are the two types of equipment that can be used on ISDN called?

1 1950

What is the essential difference between them?

1 1889

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Un-Answered Questions { ISDN }

What are SPIDs?

1180

How ISDN and analogue networks interact?

1153

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

1117

What are BRI and PRI? What are Channels?

1098

How ISDN allows multiple devices to share a single line?

1440

What is Information Field Structure?

1058

What is LAP-D?

1075

What is ISDN's history?

1122

What item of equipment would be required to connect a modem to ISDN? A terminal adapter.

1283

Why use ISDN?

1102

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

1129

What the B and D channels do?

1189

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

618

How ISDNs are connected together?

1230

What do the layers look like?

1168

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