mes·sag·ing /ˈmesɪdʒɪŋ/ noun [uncountableU] the system or process of sending messages using electronic equipment 〔通过电子设备的〕信息发送(系统) an electronic messaging system 电子信息系统
messaging• automated messaging• Wordperfect already has an integrated workgroup application - Wordperfect Office - which incorporates messaging, scheduling and workflow functions.• Retix claims version 1.4 allows users to implement enterprise wide messaging without the need to change existing software and systems.
From Longman Business Dictionary
messagingmes·sag·ing /ˈmesɪdʒɪŋ/ noun [uncountableU]TELECOMMUNICATIONS the system or process of sending messages using electronic equipmentmore advanced messaging systems