> For the complete documentation index, see [llms.txt](https://diameter.learn-telecom.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://diameter.learn-telecom.com/group-1.md).

# Group 1

- [Page 4](https://diameter.learn-telecom.com/group-1/page-4.md)