3cx server / new ip range

[saba]

Hi,

i need to migrate the 3cx server and device in a new IP range.

What's the easiest way to achive this ?

in the same time would migrate the server from windows to linux, if it help i could have the 2 servers online, one in the old ip range and the new linux in the new ip range... But i can also delay the server migration.

Thanks

 

[Saqqara]

To start off, you can not have two server running with the same FQDN and license key.

• Update your existing PBX and firmware first (makes things easier)
• Take a full backup off the current machine
• Plan your migration out of business hours
• Shut down the old server
• Install 3CX on Debian, and select 'Restore from backup'
• Bring the phones back online - does help if you are using fqdn as the network interface for provisioning.
• Check they work and trunks can make calls
• Update your trunk provider with your new IP if you use IP restriction
• If you fail for whatever reason, shut down new machine and boot up old machine, you will have time to get a DNS update before the office opens

 

[saba]

ok thanks

i need to change the internal LAN ip range, so when i can change the server ip when i restore but what about the phones ?

 

[ChrisC_3CX]

i need to change the internal LAN ip range, so when i can change the server ip when i restore but what about the phones ?

Restoring the 3CX Backup to a new machine will have it pick up the new machine's local IP address whatever that may be. The IP Phones on the other hand, if configured as local devices that use the local IP to contact the PBX, will still have the old local IP address in their configuration, meaning that you will have to reset and reprovision all of them or change their provisioning link to the new IP address via their UI.

If you have a local managed DNS server you could, as saqqara mentioned, have them use the FQDN as the network interface for provisioning, and simply have a DNS record on your local DNS to point the FQDN to the new server's local IP.

Note: If the IP Phones are remote to the 3CX PBX, this will not be an issue as they will be already using the FQDN to provision and contact the PBX on it's public IP. In any case, do remember that you will need to reconfigure your firewall to have all ports forwarded to the new local IP.