# Before using Fusion

Before using Fusion software, perform the following steps:

Step | Action | For information, refer to the ...
1 | Install the CG board, if any. | CG board manual.
2 | Install NaturalAccess software. | NaturalAccess installation booklet.
3 | Install the Fusion VoIP API software. | Fusion installation booklet.

Note: You must purchase a separate license agreement for certain vocoders (for example, G.723, G.729, or AMR). For more information, contact a Dialogic Services and Support representative.

After you complete these steps, you can configure the system and run demonstration programs to verify that the board and software are installed correctly.