TSAC is a standard SAP Table which is used to store Communication Methods (Business Address Services) data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The TSAC table consists of various fields, each holding specific information or linking keys about Communication Methods (Business Address Services) data available in SAP. These include COMM_TABLE (Flag: user data table + maintenance function exist), COMM_USED (Flag: Communication Type Currently in Use), PROCUREMENT_DOC (Communication type is used in document exchange), COMM_ISO (Communication Type (ISO-Code) (Business Address Services))... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .