Explain the call flow in nss and what is sri signal?
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What call type is given to a fax call coming from an analogue network?
What is the initial call request message called?
How the B and D channels share the line?
Name two significant differences between B and D channels.
What happens when a call is set up?
How ISDN allows multiple devices to share a single line?
What do the layers look like?
How configuration errors in the ISPBX can prevent successful connections?
Bearer Capabilities - What are they?
What is the difference between Internet and ISDN ? Is both are same or is there any specific difference ...?
What are the two ISDN device addressing methods? The two types of device addressing in ISDN are known as:
What is the essential difference between them?