•1985 Established

•1987 Authorized distributor of AT & T

•1991 JV with TTIC for Digital Pair Gain

•1991 TOT Digital Pair Gain to TTIC

•1992 1st manufacturer for Digital Pair Gain in Taiwan

•1994 1st type approval for European ISDN phone in Taiwan

•1994 JV with AT & T for Digital Pair Gain and ISDN phone

•1995 TOT ISDN to 2 local companies in Taiwan

•1997 Digital Pair Gain supplied to Europe

•1997 TOT for Digital Pair Gain to Europe

•1998 No. 1 Taiwanese Digital Pair Gain supplier in Europe market

•1999 MDSL Digital Pair Gain (MPG) released

•2001 Won TRA project

•2001 Jack Panel released

•2002 No. 1 supplier for Digital Pair Gain in Taiwan

•2003 SHDSL Digital Pair Gain released (MPG+)

2003 Focus on New Generation DLC

•2003 No. 1 supplier for Digital Pair Gain in global market

2004 The excellent exporter for Taiwan in 2004

•2005 Fox series (FOM) released