Call Management System. 7. 3. 1. Avaya Call Management System Custom Reports (180 pages) Brand: Avaya | Category: Software | Size: 1.5 MB Table of Contents. Table of Contents. We have 1 Avaya Call Management System manual available for free PDF download: Custom Reports . Custom Reports. Designed for businesses with complex contact-center operations and high call volume, Call Management System is a database, administration, and reporting application to help businesses identify operational issues and take immediate action to solve them. Call Management System. Preface. Designed for businesses with complex contact-center operations and high call volume, Call Management System is a database, administration, and reporting application to help businesses identify operational issues and take immediate action to solve them.