UNE-EN 50406-2:2004

Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) protocol; Supplementary service interactions; Part 1: Protocol specification (Endorsed by AENOR in October of 2004.)


标准号
UNE-EN 50406-2:2004
发布
2004年
发布单位
ES-UNE
当前最新
UNE-EN 50406-2:2004
 
 

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