> For the complete documentation index, see [llms.txt](https://gtp.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://gtp.learn-telecom.com/gprs-tunnelling-protocol.md).

# GPRS Tunnelling Protocol

The GPRS Tunnelling Protocol (GTP) is a group of IP-based communications protocols used within GSM, UMTS, LTE and 5G NR radio networks. GTP-C is used on the control plane inside mobile core networks.

GTP Bearer