What is LAP-D?
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What are ISDN Services?
What is the initial call request message called?
What is Soft-fax and Soft-modem?
Do you know what is the difference between internet and isdn and is both are same or is there any specific difference?
How ISDN allows multiple devices to share a single line?
What Bearer Capabilities are and on which channel they reside?
In addition to voice, name at least two other services which can be carried over ISDN.
When multiple users on an ISPBX are making calls, how many users does the public ISDN network see?
A fax call call might be designated as a generic analogue call or specifically as a fax call - true or false?
What is the D channel used for?
Where does this conversion normally take place?
What is the maximum number of simultaneous connections supported by a Primary Rate Interface?