Lee Jenkins wrote:
Lito Lampitoc wrote:
thanks for enlightening. So you mean, if I have 3 lines when the
caller dialled the first line and it was busy, the call will be
diverted to the next two available lines in random?
I don't think it's random. I think its just sequential. If main line
is busy, try second. If that is unavailable, then try third in
sequence, etc.
It's called "rollover" here.
It is also called a "hunt group". The telco will usually roll the call
the the next available line in the huntgroup. However they can also
roll to the "longest idle" line. This can help in modem pools where if
a modem connected to the 2nd (or whatever) line of the hunt group dies
then the line won't be busy and the call won't roll over. "longest
idle" can at least let most callers get thru in the event of a failure
on one of the modems.
When dealing with analog lines you have to be concerned about "glare".
Glare happens when the PBX picks up a line at the exact moement the
telco sends a call to the line. One way to do this is to have the PBX
hunt from the top of the hunt group and work its way down, and have the
telco hunt from the bottom up.
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