Telefonaktiebolaget Lm Ericsson (Publ)

Darwin Chandran

Karthikeyan Chandrasekar

Ramkumar N

K Arunkumar

Ravi Sekhar Reddy V

Gopala Krishnan Ramasubbu

Mechanisms for implementing a billing process between a first Public Land Mobile Network (PLMN1) and a second Public Land Mobile Network (PLMN2) for a subscriber of the PLMN1 that visits the PLMN2. A method comprises establishing a smart contract between the PLMN1, the PLMN2, and a Data Clearance House (DCH). The method comprises sending a subscriber usage record, represented by a distributed ledger, of the subscriber from the PLMN2 to the DCH using a blockchain upon the subscriber having visited the PLMN2, wherein the blockchain is based on the smart contract. The method comprises sending the subscriber usage record from the DCH to the PLMN1 using the blockchain.

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Chennai, India

Darwin Chandran