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:
Answer / silpa
Basic Rate - Two 'B' channels
Typical usage: domestic use, home-workers, remote offices
and
Primary Rate - 30 'B' channels (23 in North America)
Typical usage: corporate use, dial-in remote access servers, Internet service providers, digital PABXs
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Number of devices equals number of subscriber numbers required for MSN - true or false?
What is the essential difference between ISDN and the ordinary telephone system (PSTN)?
Where does this conversion normally take place?
How ISDN and analogue networks interact?
What is the device inside an ISDN telephone that converts voice into digits?
What is the initial call request message called?
What channel does the end-to-end connection use?
What is the call termination message called?
What Bearer Capabilities are and on which channel they reside?
What are the two ISDN device addressing methods? The two types of device addressing in ISDN are known as:
What are BRI and PRI? What are Channels?
What happens to these bits when they are received by the ISDN telephone at the other end?