> 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/page-4.md).

# Page 4

### Diameter Commands on Gx, Sd, Rx

| Command-Name    | Abb. | Code |
| --------------- | ---- | ---- |
| CC-Request      | CCR  | 272  |
| CC-Answer       | CCA  | 272  |
| Re-Auth-Request | RAR  | 258  |
| Re-Auth-Request | rar  | 258  |