NBN EN 301 490-1-2001 标准详情
- 标准号：NBN EN 301 490-1-2001
- 中文标题：
- 英文标题：Private Integrated Services Network (pisn); Inter-exchange Signalling Protocol; Call Transfer Supplementary Service For The Vpn "b" Service Entry Point - Part 2: Abstract Test Suite (ats) And Partial Protocol Implementation Extra Information For Te
- 标准类别：比利时标准NBN
- 发布日期：
