If two ISDN channels are used together, each connecting the same pair of users, how many calls are being made?
Answer / silpa
Two. Even though the calling party and the called party are the same, there are two channels being used and two calls are being made.
This is important to remember for two reasons:
1) The setup for each call needs to be correct, and not having the details exactly right for the second channel can often be a reason for the failure of multi-channel calls
2) The advantage of the speed of a 128K link always need to be weighed against the cost of having TWO simultaneous calls being charged for.
| Is This Answer Correct ? | 0 Yes | 0 No |
What is the Frame Format ?
What is the purpose of the switch that all NT1s have?
What is the call termination message called?
How configuration errors in the ISPBX can prevent successful connections?
What call type is given to a fax call coming from an analogue network?
In order to be able to plug analogue devices into sockets on an NT1, what extra item of equipment would need to be included within the the NT1?
What kind of cabling is used for a BRI?
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:
Where else is rate adaptation employed?
Why use ISDN?
What are the two protocols which perform rate adaptation?
What device converts the signals between the ISDN and the PSTN networks?