What is the Frame Format ?
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Number of devices equals number of subscriber numbers required for MSN - true or false?
What happens to these bits when they are received by the ISDN telephone at the other end?
How ISDN allows multiple devices to share a single line?
What is Fractional PRI?
Do users on an ISPBX have a D channel connection to the ISPBX or to the public ISDN network? The users on an ISPBX do not communicate directly with the public network at all.
What is the significance of the TEI in B channel communication?
What are Protocols on B and D channels?
Explain the call flow in nss and what is sri signal?
Name two significant differences between B and D channels.
What is 2B1Q?
What are BRI and PRI? What are Channels?
What address does an ISDN PRI line always use?