Human Factors (HF); Minimum Man-Machine Interface (MMI) to public network based supplementary services
人为因素(HF);基于公共网络的补充业务的最小人机接口(MMI)
发布日期:
1997-06-01
本ETS定义了用于访问和控制公共电信网络内补充业务的最小人机接口。
This ETS defines the minimum man machine interface for use to gain access to and control of supplementary services within the public telecommunications network.