i think you meant GTP tunnel. And GTP tunnel is between enodeb and core network....

		tguvot 9 months ago \| parent \| context \| favorite \| on: O2 VoLTE: locating any customer with a phone call i think you meant GTP tunnel. And GTP tunnel is between enodeb and core network. it's secured only in case that it run inside IPSEC.

Doh! Yes, of course. Thank you