How to Copy Configuration to all Extensions

I have to configure 40 extensions in a limited time. Is it possible to configure one extension and copy it to remaining 39 extensions. :open_mouth:

Are you talking about provisioning the phones?

Unless you are using a GUI, it is trivial to clone extensions in Asterisk, itself.

If you are using a GUI, you need to state which, and this probably isnā€™t the best forum.