UNE-EN 12789:2002

Integrated Services Digital Network (ISDN); Call Forwarding No Reply (CFNR) supplementary service; Service description (Endorsed by AENOR in July of 2003.)

标准号

UNE-EN 12789:2002

发布

2003年

发布单位

ES-UNE

当前最新

UNE-EN 12789:2002

 

 

UNE-EN 12789:2002相似标准