Upgrade PortSIP PBX for offline
If the PortSIP PBX installation is running in a production environment that no internet connection, please follow the below steps to upgrade.
Take the offline docker image from PortSIP. For example
pbx.img.12.6.3.887.tar.gzCopy the
pbx.img.12.6.3.887.tar.gzto the/rootpath of the PBX serverPerform the below command:
docker load < pbx.img.12.6.3.887.tar.gz
Perform the below commands, you will need to replace the IP with real PBX IP

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