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Hello All, I’ve been investigating and playing with asterisk to
see how it would work out as a small-medium business pbx to handle mostly
interoffice/branch communication and a possibly communication out to pstn in
later stages of implementation. (All communication would be VoIP internally
with possibly 4 pstn lines at the HQ with either a TDM04B or spa3000s and 1-2 pstn
lines across 7-8 branches with spa3000s). Still evaluating my options about which devices will be
best. One thing I’ve been trying to figure out with little
luck is regarding true failover/redundancy design and would like some
suggestions from the list. I’ve looked through http://www.voip-info.org/tiki-index.php?page=Asterisk+High+Availability+Solutions
and I can understand the high availability solutions. Though there seems to be
several possible solutions for failover but none really seems to be the “recommended”
way to implement. Most seem just another “possible” way. Since my proposed setup is fairly small 20-40 voip phones max
maybe 12-20 pots lines my main goal is: -
2 asterisk boxes, Hopefully possible
to be in different sites -
If box1 fails calls will stay up
(except those that are pots connected off that box) -
Rest of the VoIP phones will
re-register with Or is there some
way to for asterisk What about the
spa3ks how would they handle re-registration to a different ip? -
Configs / Voicemails mirrored across
both servers (probably easy done with rsync) I took a brief look at proxy with SER but I believe there are
a few things I possibly don’t understand. - How does SER determine if an asterisk box is down? Or it
SER only for load balancing? - Looks like I would need another box or 2 specifically to
do SER and then well that seems to become a point of failure? What are some ways people implement real failover with
asterisk? Or if there are some other resource that I should look at? Please
feel to point out if I’m way off the mark in anything or my expectations. Thanks for your time John Cianfarani |
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