This TS defines the requirements for Packet Domain interworking between a
PLMN and a PDN, and between a PLMN and a PLMN.
This TS is valid for a PLMN in A/Gb mode as well as for a PLMN in Iu mode.
For interworking between EPC PLMN and external networks, the present document is valid for both 3GPP accesses
and non-3GPP accesses.
This TS also defines, in clause 17
, the protocol for the Gmb
interface, in clause 20
, the protocol for the SGmb
interface, and in clause 19
, the protocol for the Mz
This TS also defines, in clause 18
, the usage of Radius at the Pk
Reference Point between the GGSN and the Presence Network Agent.