If I buy two AA50s can I set them up so that everything runs through the first one, but the second one will take over if the first one goes down? I can see the extensions recovering, because they use ethernet, but what about the FSO lines? Is there a way they can be spliced to both AA50s so that no one need to do any emergency rewiring? -- Dave Welsh Quality of Course (613) 749-8248
There is 2 possibilities to do failover with asterisk: First use openser with failover, but still you need to switch cables fxo fxs & pri bri Second is simplier and i would choose this one for small&medium installations where T1/E1 is not needed: It consists of externaising of all fxs fxo pri & bri wih sip gateways, and installation 2 servers with heartbeat, you dont need openser in this case, also think of registration time reducing, it helps to swich fast. So why not T1/E1 ? it is possible no problem, but price...3K$ for audiocodes. Of course this is relative, and choice is yours. 2008/7/31 Dave Welsh <dave at qualityofcourse.com>> If I buy two AA50s can I set them up so that everything runs through the > first one, but the second one will take over if the first one goes down? > I can see the extensions recovering, because they use ethernet, but > what about the FSO lines? Is there a way they can be spliced to both > AA50s so that no one need to do any emergency rewiring? > > -- > Dave Welsh > Quality of Course > (613) 749-8248 > > _______________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > > AstriCon 2008 - September 22 - 25 Phoenix, Arizona > Register Now: http://www.astricon.net > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users >-------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.digium.com/pipermail/asterisk-users/attachments/20080731/4e33bf1d/attachment.htm
On Thu, Jul 31, 2008 at 02:10:34PM -0400, Dave Welsh wrote:> If I buy two AA50s can I set them up so that everything runs through the > first one, but the second one will take over if the first one goes down? > I can see the extensions recovering, because they use ethernet, but > what about the FSO lines? Is there a way they can be spliced to both > AA50s so that no one need to do any emergency rewiring?Thinking aloud: what happens if you just connect th two units on the same phone line? You basically need a way to prevent the slave unit from answering calls if the master is alive. The same should work with BRI PtMP, right? (But both are not used. And in the case of BRI, dedicated hardware is used instead. So I guess that there must be a good reason for that) -- Tzafrir Cohen icq#16849755 jabber:tzafrir.cohen at xorcom.com +972-50-7952406 mailto:tzafrir.cohen at xorcom.com http://www.xorcom.com iax:guest at local.xorcom.com/tzafrir
>Set the primary unit to pick up on, say, 2 rings and the secondary unit >to pick up on 4. >If the primary fails, it won't pick up the line and the secondary takes >over. > >You could try having your phones register to both but I'm not sure how >that would work > >regards, > >DrewThat's exactly how I have things setup. Phones register to both servers. The backup server doesn't do much - only answers incoming calls if the ring goes on for too long. Keep in mind that you may want to configure the backup server to not use the lines for placing outbound calls - maybe setup a SIP trunk for that. Otherwise, when the primary server comes back up, the two will be talking over each other trying to use the same lines. --Brent