http://www.info.hqs.cae.ntt.jp/SER/ISDN/ISDN.html (World Wide Web Directory, 06/1995)
Home Page in Japanese
About ISDN Service
Technical Reference(Under Construction)
About ISDN Application
Network Services
Service & Products for business user
NTT ISDN-WWW Server isdn@nws.hqs.cae.ntt.jp