Patent ID: 11924366
Assignee: NOKIA TECHNOLOGIES OY
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 4:
5. An apparatus of a visited session management entity of a visited public land mobile network in a roaming charging related scenario between said visited public land mobile network and a home public land mobile network, the apparatus comprising:
at least one processor;
at least one memory including computer program code; and
at least one interface configured for communication with at least another apparatus;
the at least one processor, with the at least one memory and the computer program code, being configured to cause the apparatus to perform:
receiving a session establishment request indication message;
discovering a charging entity of said visited public land mobile network;
transmitting a charging initiation request message to said charging entity of said visited public land mobile network for generation of partial charging data records in said visited public land mobile network;
receiving a charging initiation response message from said charging entity of said visited public land mobile network, said charging initiation response message being indicative of success of said generation of said partial charging data records in said visited public land mobile network and including information indicative of a first configuration utilized for mobile network related charging;
transmitting a session creation request message to a home session management entity of said home public land mobile network, said session creation request message including said information indicative of said first configuration utilized for mobile network related charging;
receiving a session creation response message from said home session management entity of said home public mobile network, said session creation response message including information indicative of a second configuration utilized for mobile network related charging;
transmitting a charging update request message to said charging entity of said visited public land mobile network for updating said generation of said partial charging data records in said visited public land mobile network, said charging update request message including said information indicative of said second configuration utilized for mobile network related charging; and
receiving a charging update response message from said charging entity of said visited public land mobile network, said charging update response message being indicative of success of said updating of said generation of said partial charging data records in said visited public land mobile network, wherein
in relation to said discovering, the at least one processor, with the at least one memory and the computer program code, is configured to cause the apparatus to perform:
transmitting, to a repository entity of said visited public land mobile network, a discovery request message indicative of a predetermined charging functionality; and
receiving, from said repository entity of said visited public land mobile network, a discovery response message indicative of said charging entity of said visited public land mobile network, said charging entity of said visited public land mobile network providing said predetermined charging functionality.