Dani asked:
>mygw---789(prefix)xxxxx(number)------->neighgw1 (priority1)
|__789(prefix)xxxxx(number)_______>neighgw2 (priority2)
>The same neighgw1 and neighgw2 accept prefix 789. How can i send calls
to >neighgw2 if neighgw1 is busy or for some reason can't keep the call
? In >asterisk i know is possible to call all
part(neighgw1,neighgw2) in the same >time. If neighgw1 is busy the calls
go through neighgw2. It is possible to >do something similar with
gnugk ?
The GNUGK does not "roll-over" to another endpoint if it receives a
failure
on the 1st endpoint. So, once an endpoint has been selected the call
will
either work or not to that endpoint and that's the end of the call
processing.
Other posters suggest work-arounds using external applications and
Virtual queues, but for my network the below setup works fine.
The best I've been able to accomplish is to:
Define a MAX capacity for an endpoint, when that # of calls are up
the GNUGK will then look for another endpoint to use.
If you have multiple endpoints for the same destination, then
if you assign those endpoints a capacity, and the same priority it will
spread the traffic out across the possible endpoints, since it will
know when a given endpoint is full. This, however, is done on a
Gateway basis, not a prefix basis. So, you can't specify
Capacity=10 calls with prefix 789, and 50 calls with prefix 987.
(If the Gateways are another company's, you may not know when it's
actually full - since you won't know about traffic from other
companies,
so then I omit the capacity to alternate amongst all their endpoints to
mitigate the times that 1 endpoint may be full at any moment)
[EP::neighgw1]
Capacity=60
GatewayPriority=1
[EP::neighgw2]
Capacity=60
GatewayPriority=1
The first call will go to endpoint #1, the 2nd to endpoint #2, etc.
The above example ensures call attempts will alternate amongst the
endpoints, and if one is already 'full' the GNUGK will not choose it,
thus it would pick an endpoint with capacity available (if one exists).
If #1 fails (or you want to do maintenance), you can adjust the priority
(manually) of #1 to be 2 and then all traffic will go to #2 until you
repair #1 and then adjust the priority again.
(lower number priorities are chosen first)
(You have to reload, from the status port for the file to be re-read
for the changes to take effect)
Steve Miskowitz
Planet Telecom
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