SS 63 63 47-1 Ed. 1 (1996) 标准详情
- 标准号：SS 63 63 47-1 Ed. 1 (1996)
- 中文标题：
- 英文标题：Telecommunications Equipment - Private Branch Exchanges (pbxs) - Signalling Requirements In Analogue Interface For Exchange Line With Direct Dialling-in Service
- 标准类别：新加坡SS
- 发布日期：
