This paper discusses the architecture of intelligent network SSF/CCF(Service Switching Function/Call Control Function) model, and analysis the relationship of function entities.是什么意思_This paper discusses the architecture of intelligent network SSF/CCF(Service Switching Function/Call Control Function) model, and analysis the relationship of function entities.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句