Name the two forms in which an ISDN service can be provided to the user. ISDN can be supplied to the user in two forms:
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How to vary the the amount of bandwidth you have available to you?
How configuration errors in the ISPBX can prevent successful connections?
How the B and D channels share the line?
What is LAP-D?
What is Information Field Structure?
What is ISDN's history?
What is Fractional PRI?
What is Soft-fax and Soft-modem?
What do the layers look like?
What protocols are used?
What are BRI and PRI? What are Channels?
What are TEIs?
How can I get more information?
What is the Frame Format ?
How ISDNs are connected together?