> For the complete documentation index, see [llms.txt](https://docs.keyfax.biz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.keyfax.biz/integrations/host-systems/aareon/configuration.md).

# Configuration

### Web Services

The screenshot below shows the **QL parameters** for the [SOAP API](/integrations/apis/soap.md) **integration** with Keyfax (this is where there is no need for the [Keyfax Client](/product-suite/client.md) program to be installed and is available in **QL v4.7** onwards): 

<figure><img src="/files/T2sRSbj5oeaXipGWNRFf" alt=""><figcaption></figcaption></figure>

### Keyfax Client Integration

Intended for use with the [Keyfax Client](/product-suite/client.md). This method of integration is being phased out but is still required for versions of QL that are earlier than **QL 4.7.**\
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Setting the **Company** code tells Keyfax which configuration parameters to use (e.g. to enable switching between Live/Test/Training/other). It is passed by QL to Keyfax at launch time and there must be a configuration file of the same name in Keyfax, e.g. if **TopHousing** was sent as the Company Code, Keyfax would need to be set to use a file named **TopHousing\_Config.xml** with contents defined by your systems implementor. \
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This setting is located in the **HPM** module under the **KEYFAX\_COMPANY** parameter ID: