> Fetch clean Markdown by appending `.md` to any page URL under https://signalwire.com/docs or requesting it with the HTTP header `Accept: text/markdown`. The root index at https://signalwire.com/docs/llms.txt lists the available documentation indexes.

# qualityLevel$

> Observable of simplified quality level (excellent/good/fair/poor/critical).

```ts
get qualityLevel$(): Observable<QualityLevel>
```

Observable of simplified quality level (excellent/good/fair/poor/critical).

## **Examples**

```ts
call.qualityLevel$.subscribe((qualityLevel) => {
  console.log('qualityLevel:', qualityLevel);
});
```

> Observable of simplified quality level (excellent/good/fair/poor/critical).