标准号:DIN EN 301937-2003
中文标准名称:**网络业务和协议.ETNS业务的数字可移植性
英文标准名称:Services and Protocols for Advanced Networks (SPAN) - Number portability for ETNS services (Endorsement of the English version EN 301937 V 1.1.1 (2002-10) as German Standard)
标准类型:M11
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:M11
国际标准分类号:33.040.35
适用范围:This European standard specifies requirements in the telecommunications sector.