3CX Custom Provisioning Templates

If you want to provision unsupported phones to use with 3CX, you may come across this article on the 3CX web site:  Provisioning unsupported IP phones. It looks quite helpful but it’s out of date in an important area:  the location of the templates.

The original (or master?) default templates are still here, as described in the article:


However most profile information is now stored by “instance,” so on a single-instance install, you’ll also find default templates here:


If you use the web UI to customize a phone template (Settings > Provisioning Templates), the entire template with your customizations is copied to here:


and every phone in the template appears twice in the phones list:

3CX Provisioning 1

The trick seems to be to delete the phones you don’t want to customize from the XML. Since it’s not overwriting the file but making a customized clone, the original phones are still there, along with your custom phone:

3CX Provisioning 2

Looks to me like the simplest and safest approach is to use the web UI for customizations, but it’s still helpful to know where the files are stored.

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