论文信息 - ISDN Adjunct Switch for Existing Central Offices and NEAX61/ISDN Digital Switching Systems - 字舞流文

ISDN Adjunct Switch for Existing Central Offices and NEAX61/ISDN Digital Switching Systems

Akihiro Kitamura | Takeshi Kondo | Yoshinori Yoshida | Atsushi Minato | Hisashi Manabe | Tatsumi Takabatake