Adrian/Atle,
We did this using failure routes. Only problem was,
wait time ( invite timer ) for both gateways is same
as we cant have two timers with different timeout
values in ser.
See inline comments.
-Ranga
--- Atle Samuelsen <clona(a)camaro.no> wrote:
Howdy Adrian!
Do you know when you whing you'll be finnish with
this project? or
atleast ready for use?
-atle
* Adrian Georgescu <ag(a)ag-projects.com> [040902
00:42]:
There is some work in progress:
http://download.dns-hosting.info/SERLCR/README
Adrian
>>>>>>>
Hi list,
We have a setup with 2 redundant stateful SER
SIP-Servers with
accounting.
For calls to the PSTN we have 2 ISDN-PRI gateways
connected to
different ISDN-PRI lines.
We need to implement a dynamic failover mechanism
and load balancing.
a) Incoming calls: No problem, the PSTN switch
takes care of that
b) Outgoing calls:
Both GWs are registered at both SERs; calls are
usually relayed with
"t_relay_to_udp(x.x.x.x,
"5060");"
But how can I implement a quick failover
including load-distribution
> between those gatways?
Load distribution may require a seperate module/exec
script to take routing decisions. When acc is enabled
you can query database for active calls. We can
quickly check which gateway is handling how many calls
and change the host portion of URI before t_relay.
I.e. if I
receive "busy here" or no response
after a short period
after the "invite", the call should be
redirected
to the other GW.
Busy here can be easily handled in failure
route.
Having short duration for first call and little longer
timeout for next call is not possible at the moment, I
guess.
Thanks in advance for your help!
Best regards,
Gerhard
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