What is GPRS protocol?

GPRS Tunnelling Protocol (GTP) is a group of IP-based communications protocols used to carry general packet radio service (GPRS) within GSM, UMTS, LTE and 5G NR radio networks . In 3GPP architectures, GTP and Proxy Mobile IPv6 based interfaces are specified on various interface points.

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Is GTP UDP or TCP?

GTP’ (GTP prime) is an IP based protocol used within GSM and UMTS networks. It can be used with UDP or TCP . GTP’ uses the same message structure as GTP (GTP-C, GTP-U), but it is largely a separate protocol. GTP’ uses registered UDP/TCP port 3386.

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