DIN EN 301922 (2004-03) 标准详情
- 标准号:DIN EN 301922 (2004-03)
- 中文标题:
- 英文标题:Private Integrated Services Network (pisn) - Specification, Functional Model And Information Flows - Call Identification And Call Linkage Additional Network Features
- 标准类别:德国标准DIN
- 发布日期: