I would suggest to use linux ha and use same ip, which can failover to second standby server using heartbeat.
This activity takes less then 5secs. Mitul On Jan 18, 2013 9:42 PM, "Ishfaq Malik" <i...@pack-net.co.uk> wrote: > On Fri, 2013-01-18 at 18:06 +0200, Onur Cem Çelebi wrote: > > Hello, > > > > > > we have distributed lots of cisco spa303 IP phones and get them work > > with Asterisk. I have configured proxy and alternate proxy and enabled > > "dual registration" features in provisioning files(xml files). All > > phones are able to subscribe to both of servers. But the problem is, > > if main server goes down, i am obliged to wait nearly 20 second in > > order to place a call over second server. How to get alternate > > proxy work immediately after first server fails ? Thanks in advance. > > > > I think the failover time will be related to the the registration expiry > setting in the phones. > > > > > > > > > -- > Ishfaq Malik <i...@pack-net.co.uk> > Department: VOIP Support > Company: Packnet Limited > t: +44 (0)845 004 4994 > f: +44 (0)161 660 9825 > e: i...@pack-net.co.uk > w: http://www.pack-net.co.uk > > Registered Address: PACKNET LIMITED, 2A ENTERPRISE HOUSE, LLOYD STREET > NORTH, MANCHESTER > SCIENCE PARK, MANCHESTER, M156SE > COMPANY REG NO. 04920552 > > > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > New to Asterisk? Join us for a live introductory webinar every Thurs: > http://www.asterisk.org/hello > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users
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