CSGS - CSG Systems International Inc. 2022 Q1 - Results - Earnings Call Presentation May, 15 2022 10:09 PM CSG Systems International Inc. The following slide deck was published by CSG Systems International, Inc. in conjunction with their 2022 Q1 earnings call. For further details see: CSG Systems International, Inc. 2022 Q1 - Results - Earnings Call Presentation