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What is the maximum number of simultaneous connections supported by a Primary Rate Interface?
1 2203If two ISDN channels are used together, each connecting the same pair of users, how many calls are being made?
1 2402When multiple users on an ISPBX are making calls, how many users does the public ISDN network see?
1 2169Do 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.
1 2227A 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?
1 2187
What are BRI and PRI? What are Channels?
How configuration errors in the ISPBX can prevent successful connections?
What protocols are used?
What is Fractional PRI?
What the B and D channels do?
How to Establish the Link Layer?
What is Information Field Structure?
Explain the call flow in nss and what is sri signal?
What item of equipment would be required to connect a modem to ISDN? A terminal adapter.
What is Soft-fax and Soft-modem?
What do the layers look like?
How users are connected to a public ISDN through an ISPBX?
How ISDN and analogue networks interact?
What is LAP-D?
How to vary the the amount of bandwidth you have available to you?
