# Your First Call with Class 4 Fusion

Class 4 Fusion is a very easy to use softswitch.  Here are the basic steps you need to do to start traffic:

1. Create Vendor Rate Table
2. Create Termination Vendor
3. Create Egress trunk
4. Create Dynamic Routing
5. Create Routing Plan
6. Create Termination Client
7. Create Ingress trunk
8. Execute Call Simulation&#x20;

We are going to go through it here :


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://cookbook.denovolab.com/your-first-call-with-class-4-fusion.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
