CSG System International, Inc (NASDAQ:CSGS) Q4 2021 Earnings Conference Call February 1, 2021 5:00 PM ET Company Participants Brian Shepherd – Chief Executive Officer Hai Tran – Chief Financial Officer John Rea – Investor Relations Conference Call Participants Greg Burns – Sidoti and Company Maxwell Osnowitz – Stifel Nicolaus Operator Gentlemen. Thank you for standing by and welcome to the CSG Systems International Inc. Fourth Quarter 2021 Earnings Call. All lines had been put on mute to prevent any backgro ...