Israel’s BillRun has implemented an advanced billing system worth hundreds of thousands of dollars for quad-play communication services at Monaco Telecom (MT). BillRun’s charging systems have also been implemented at Israel’s Pelephone and Golan telecom.
https://billrun.com/blog/118-billing-at-monaco.html
https://billrun.com/blog/131-pelephone-online-charging-system.html