You are here

GTP tunnel

1 post / 0 new
GTP tunnel

Newbie question here related to 3G GTP tunnel.

My understanding for mobile device to connect to Internet is always via the GTP tunnel from NodeB-> RNC-> SGSN-> GGSN-> Internet. Is that correct?

How about packet-based Voice call in 3G WCDMA? Is it also through the GTP tunnel?