SS ETS 300 661-1 Ed. 1 (1998) 标准详情
- 标准号：SS ETS 300 661-1 Ed. 1 (1998)
- 中文标题：
- 英文标题：Broadband Integrated Services Digital Network (b-isdn) - Digital Subscriber Signalling System No. Two (dss2) Protocol - Direct Dialling In (ddi) Supplementary Service - Part 1: Protocol Specification
- 标准类别：新加坡SS
- 发布日期：
