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Server Redundancy
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mores Offline
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Server Redundancy
The Yealink_SIP-T4X_IP_Phone_Family_Administrator_Guide has a section for Server Redundancy. Can anyone provide an example what server you are using to provide redundancy and how are you able to keep to 2 servers in sync.
05-08-2014 07:58 PM
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Yealink Support Offline
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RE: Server Redundancy
You can refer to this guide in yealink website.
Using Server Redundancy on Yealink IP Phones
05-08-2014 09:32 PM
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mores Offline
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RE: Server Redundancy
Yes, that provides information from the phone's perspective on server redundancy.

I am trying to figure it out from the PBX's perspective...which PBX systems can easily be kept in sync for an Active/Active setup and how is it done.
05-08-2014 09:53 PM
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Yealink Support Offline
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RE: Server Redundancy
I think you can ask your PBX's technical support. Smile
05-08-2014 10:25 PM
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mores Offline
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RE: Server Redundancy
(05-08-2014 10:25 PM)Yealink Support Wrote:  I think you can ask your PBX's technical support. Smile

Thats just it, I have not purchased a PBX yet. Is there a list of PBXs that work with the Yealink Server Redundancy ?
05-16-2014 09:21 PM
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CWR Offline
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RE: Server Redundancy
3cx: http://www.3cx.com/blog/voip-howto/3cx-h...ve-active/
Asterick: http://www.generationd.com/?target=HAAST
Free PBX: http://wiki.freepbx.org/display/FCM/Free...ailability

Any of them should "work" with Yealink - Really the HA feature is just another server address that is tried after a set number of timeouts.

Craig Reilly
MCSA, 3cx Advanced Certified
Scottsdale, AZ
05-17-2014 04:40 AM
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nicknomo Offline
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RE: Server Redundancy
(05-16-2014 09:21 PM)mores Wrote:  
(05-08-2014 10:25 PM)Yealink Support Wrote:  I think you can ask your PBX's technical support. Smile

Thats just it, I have not purchased a PBX yet. Is there a list of PBXs that work with the Yealink Server Redundancy ?

On the PBX side, you often have a cluster set up, that has an IP address for the entire cluster. When a node fails, another takes its place, but the IP address changes. The idea is that the end user phones don't know that anything has happened. In most cases, the phones will just see that the connection is down until the failover node takes control. Once the phone re-registers, it will be like it temporarily lost connection to a single system.

There is a thorough guide for Elastix 2.4 detailing how to do this and all of the various options. Its a little technical though, and requires a bit of command line kludging. I know the guy who wrote the latest guide really well. Needless to say, its what I use in my own Elastix deployments. It does its job relatively well.
http://www.theserverexpert.com/elastix_2...pdated.pdf


The only important thing to add is that backups are still very important. A lot of people deploy a high availability cluster and think they don't need backups, but the opposite is really true. In these types of clusters, the changes propagate to all nodes. If something is deleted, or a configuration is broken, it will be that way on all the nodes. HA clusters protect against hardware failures, and nothing more. I use BackupPC from within CentOS 6.3 for all of my linux backups, and it really does an awesome job.
(This post was last modified: 05-24-2014 12:45 PM by nicknomo.)
05-24-2014 12:41 PM
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ocgltd Offline
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RE: Server Redundancy
Here's a great site that talks about design/selection of High Availability for your PBX:
http://www.voip-info.org/wiki/view/Aster...ity+Design

And here is a list of commercial & free clustering/ High Availability solutions:
http://www.voip-info.org/wiki/view/Aster...+Solutions
09-16-2015 02:51 AM
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