> For the complete documentation index, see [llms.txt](https://prosbcdocs.telcobridges.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://prosbcdocs.telcobridges.com/tmedia-documentation/legacy-releases-toolpack-v2.x/enabling-call-detail-records-cdrs.md).

# Enabling Call Detail Records (CDRs)

If you wish to do so, [call detail records (CDRs)](https://github.com/telcobridges-main/tmedia-wiki/tree/main/reference/concepts/call-detail-record/README.md) can be kept by the system. Call detail records, or CDR for short, are the foundation of subscriber billing activities by telecom service providers. They are data records containing call-related information. Please note that as of Toolpack version 2.5, database CDR is no longer supported and only the first 100 calls processed will be recorded.

To enable CDR behavior:

1- Click **Configurations**, under Gateway, in the navigation panel

![Toolpack v2.5 Navigation Panel Configs](https://docs.telcobridges.com/w/images/d/db/Toolpack_v2.5_Navigation_Panel_Configs.png)

2- Enable CDR:

* Check the box labeled **Use CDR Behavior**
* Click **Save**

![Toolpack v2.5 CDR Enabled](https://docs.telcobridges.com/w/images/1/1c/Toolpack_v2.5_CDR_Enabled.png)

3- Verify that the **"Gateway configuration was successfully updated"** message appears

![Toolpack v2.5 Gateway Config Msg](https://docs.telcobridges.com/w/images/3/34/Toolpack_v2.5_Gateway_Config_Msg.png)


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