Have you considered a UPS product that has orderly shutdown capability? There are some that will do controlled shutdown and startup of select devices and in your selected order. You could have it turn up your DNS services first, with sipXecs system coming back online after a selected timeframe, then followed by your POE switches that feed phones.
A detailed review of the logs after a power failure should help understand what is failing. From: [email protected] [mailto:[email protected]] On Behalf Of IT Manager Sent: Wednesday, March 14, 2012 11:10 PM To: [email protected] Subject: [sipx-users] Sipxservices Dear All, I am struggling with something and am not sure of the method to fix it. Bit of background first: We are in Africa and so the power situation here is not great - we do have battery backup power, but it doesn't last long enough to keep systems running throughout the night. So basically every time the backup fails, everything crashes. Then when power is restored all the servers boot up again and most things start up ok. This brings me to the problem I am having with SIPX. It starts up fine and looking at the services it seems that everything is running OK. However, none of the phones (GXP2000) or soft phone (Xlite) will register with the system. If I restart all the services then things go back to normal and the registrations work just fine. I think that the problem lies with the DNS: Because my AD DNS servers take quite a while to start up, I think that the SIPX server starts faster than them. In some way this causes something to fail in the SIP server. What exactly that is I don't know and am not sure where to look. Any thoughts as to where to look or possible solutions to the situation? Laurie PS this is one of the reasons I can't roll it out to the office yet - if I have to manually reset it every time power returns. Description: D:\Shared Documents\MAF\MAF Art\5X-FRM-sig.jpg Laurie Nason IT Manager Mission Aviation Fellowship Uganda Description: D:\Shared Documents\MAF\MAF Art\International MAF Logo - White-sig.png Online Info: <http://www.maf-uganda.org/> www.maf-uganda.org
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