What the B and D channels do?
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How ISDN and analogue networks interact?
What information also accompanies this message?
What address does an ISDN PRI line always use?
Why is this information significant?
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?
How users are connected to a public ISDN through an ISPBX?
What happens when a call is set up?
In addition to voice, name at least two other services which can be carried over ISDN.
How to Establish the Link Layer?
What are the two options for implementing fax using an internal ISDN card?
How can I get more information?
What is the significance of the TEI in B channel communication?