# Introduction

DeNovoLab Class 4 Fusion has the capability of termination DID origination traffic.  To setup Origination traffic, you just need to use the "DID" main menu:

![](https://4102392624-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MXPCJcszvw7MAuHjiRr%2Fuploads%2FJ7CvdyBnWeYOIJ4HP7E0%2Fimage.png?alt=media\&token=64f938d9-a00d-4095-b5ea-97df5b0cb623)

Here are the process to setup DID routing:

1. Create Billing Rule for your DID Vendor.  This will let you to define the DID's Setup Fee, Monthly Fee, and Per Minute Charge from the Vendor side.  
2. Create DID Vendor.  This will define where the DIDs are originated from.  You can setup multiple IP address for each DID vendor. 
3. Create Billing Rules for your DID Clients.   You can have different billing rules for different DID clients.
4. Create DID Clients.