Un-Answered Questions { ISDN }

What is ISDN's history?

377


Why use ISDN?

396


What are BRI and PRI? What are Channels?

398


What do the layers look like?

401


What protocols are used?

398





What happens when a call is set up?

422


How can I get more information?

424


How ISDN allows multiple devices to share a single line?

655


What is 2B1Q?

544


What is the Frame Format ?

465





What is LAP-D?

389


What are SAPIs?

384


What are TEIs?

510


How to Establish the Link Layer?

389


What are SPIDs?

406