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Legacy Page - For historical reference only. Please see Release Notes and Installing / Upgrading pages.


  • When performing an upgrade is always a good idea to backup your production system. It is also good to perform the update on a test system first in order to mitigate risks in production.
  • It is also NOT recommended you use the administration web interface to upgrade your system from one version to another. The administration web interface for upgrading is best used for minor bug updates.
  • You can upgrade from any version to any version as long as you follow the manual steps both before and after your upgrade.
  • If you have multiple systems in a cluster (all managed by one Management server). Complete upgrade process on the slave nodes before proceeding to the master server. Once all the systems have been upgraded, log in to the the management UI, go to System -> Servers, select all the servers and press Send Profiles. Reboot any services when administration service instructs you to do so.

Upgrade Instructions

Step 1. Check the release notes for the version (and versions between where you are at and the version you are upgrading to).  Follow each of the pre-install instructions starting with the version you currently have installed. Then come back to this step and continue. So if you currently have version 4.0.4 installed, you want to start with the instructions for 4.0.4 and then proceed to the end of the pre-install instructions for each version.


Complete. if you are upgrading a clustered system, see the Notes section at the top of this document for upgrading each slave node.

Before upgrading from 3.6 or earlier

Consider upgrading to sipXecs 3.10 then following instructions from there.

Before upgrading from 3.10.x

The local domain bind zone is "emptied", if you are using the system as a DNS server, you should copy or backup your zone file before the update. It doesn't effect other zone files on the system, just the one sipx is attached to.

Before upgrading from 4.0.4

If you originally installed your system from the sipfoundry ISO in 4.0.4 and are having issues updating, here's some help:


Code Block
titleRemove from CentOS-Base.repo
name=SIPfoundry sipXecs pbx - latest stable version

Before upgrading from 4.2.x

Remove the old repo file:

Code Block
rm /etc/yum.repos.d/sipxecs.repo

Before upgrading from 4.4.0

Version 4.4.0 is available on CentOS 5 but not CentOS 6.  Version 4.6.0 is available on CentOS 6 but not CentOS 5.  Therefore you must make a backup your 4.4.0 system, then install a fresh 4.6.0 system, then restore your 4.4 backups by uploading them from the "Restore" web page.  I would strongly suggest you test the this process in a lab to reduce the change you will encounter any problems when upgrading the real system as it will be time consuming to revert back.  For example, a VMWare virtual machine would be fine or any virtual environment just to ensure restore goes smoothly.  The test machine does not have to have same IP address as the original machine as was the case in prior versions.

Be sure to read "After Upgrading to 4.6.0" in this document for notes about restoring from backups.

After upgrading from 3.10.x

The DHCP 120 test will fail if you are using the on board DHCP server. To correct this you need to add the following to the /etc/dhcpd.conf and restart dhcpd (service dhcpd restart). This is not required if you aren't using the Counterpath Enterprise Clients.

Code Block
# header section of dhcpd.conf
option sip-servers-name code 120 = text;

# subnet section of dhcpd.conf
option sip-servers-name      "<hostname>:12000/cmcprov/login";

After upgrading from 4.0.4


If you have voicemail messages from the old version, let's say <=4.0.X, you might hit the XX-9461
A quick fix for that is:

Code Block
# fix all bad messages 
export TZONE=`date +%Z` 
find /var/sipxdata/mediaserver/data/ -name '*.xml' -exec sed -i "s|\([AP]M\)\s\+</timestamp>|\1 ${TZONE}</timestamp>|g" {} \; 



If you have customized versions of vxml files, you'll lose them starting on 4.2.0 as VXML are no longer used for Voicemail.

After upgrading from 4.2.x

No special instructions

After upgrading from 4.4.0

With 4.6 and above, all services are enabled and disabled individually - you don't have to have everything turned on.  However, you must enable them for the item to appear in the menus.


Code Block
yum install sipxaudiocodes

After upgrading from 4.6.0 & Later

It's unlikely you upgraded directly to 4.6.0 because installation on CentOS required a full reinstall. You probably restored from backups.