What is 2B1Q?
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How many devices may be connected to a PRI?
What is the significance of the TEI in B channel communication?
Why is there only one D channel in each interface?
What call type is given to a fax call coming from an analogue network?
What Bearer Capabilities are and on which channel they reside?
What happens to these bits when they are received by the ISDN telephone at the other end?
In addition to voice, name at least two other services which can be carried over ISDN.
A 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?
What are these types of NT1 known as?
Explain the call flow in nss and what is sri signal?
How many filters can be applied to a SETUP message?
What filters are used when implementing MSN?