OSS(Operation Support Systems) is the basic support platform for telecom services and BSS ( Business Support Systems) realizes the function of customer support.

• OSS(Operation Support Systems，运营支撑系统)作为电信业务开展和运营时所必须的支撑平台，它是整个运营基础结构，包括运营网络系统和客户服务系统。 而BSS(Business Support Systems，业务支撑系统)则主要完成客户支持的功能，它以提供和满足客户需求为主。