How the structures of BRI and PRI compare
How Analogue fax and modem over ISDN?
Why use ISDN?
Do you know what is the difference between internet and isdn and is both are same or is there any specific difference?
What is LAP-D?
How can I get more information?
What is Information Field Structure?
What are SPIDs?
What Bearer Capabilities are and on which channel they reside?
What is 2B1Q?
What is Fractional PRI?
Bearer Capabilities - What are they?
How ISDNs are connected together?
What happens when a call is set up?
What the B and D channels do?