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Home > Archive > Voice over IP Cisco > May 2006 > Graceful Failover between CallManagers.
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Graceful Failover between CallManagers.
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| Scott O'Donnell 2006-05-19, 1:11 pm |
| Can someone confirm my thinking on this.
I have a Publisher /Subscriber setup with the phones registered to the
Subscriber.
I had thought that if the subscriber goes off line, the phones will
reboot and re-register with the publisher
but if I shutdown the callmanager process on the subscriber the phones
will re-home to the publisher without a phone reboot.
Any thoughts?
Scott
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| Ryan Ratliff 2006-05-19, 1:11 pm |
| The phones are simply reregistering not rebooting. It should be a
very quick process.
-Ryan
On May 19, 2006, at 10:43 AM, Scott O'Donnell wrote:
Can someone confirm my thinking on this.
I have a Publisher /Subscriber setup with the phones registered to
the Subscriber.
I had thought that if the subscriber goes off line, the phones will
reboot and re-register with the publisher
but if I shutdown the callmanager process on the subscriber the
phones will re-home to the publisher without a phone reboot.
Any thoughts?
Scott
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| Lelio Fulgenzi 2006-05-19, 1:11 pm |
| There is no reboot required. I think if the phone itself is already connected to the backup callmanager as standy the failover is relatively quick. A quick screen refresh happens if I'm not mistaken. If it is the third CallManager that it is failing over to, it might take a little longer.
If there is an actve call, the whole process waits until that call is over.
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Lelio Fulgenzi, B.A.
Network Analyst (CCS) * university of Guelph * Guelph, Ontario N1G 2W1
(519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
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----- Original Message -----
From: Scott O'Donnell
To: cisco-voip@puck.nether.net
Sent: Friday, May 19, 2006 10:43 AM
Subject: [cisco-voip] Graceful Failover between CallManagers.
Can someone confirm my thinking on this.
I have a Publisher /Subscriber setup with the phones registered to the Subscriber.
I had thought that if the subscriber goes off line, the phones will reboot and re-register with the publisher
but if I shutdown the callmanager process on the subscriber the phones will re-home to the publisher without a phone reboot.
Any thoughts?
Scott
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