[MSDN Library June 1998] ISDN Notes (24.1096866096866%)
MSDN Library Visual Studio 6.0 > Windows Resource Kits > Windows NT Server 4.0 Resource Kit > Windows NT Server Networking Guide > Appendix E - RAS Reference > RAS Communication Quick Reference
[MSDN Library June 1998] ISDN - Primary Rate Interface (23.2712678351624%)
MSDN Library Visual Studio 6.0 > Windows Resource Kits > Windows NT Server 4.0 Resource Kit > Windows NT Server Resource Kit - Supplement 1 > Chapter 4 - Using ISDN > Introduction to ISDN
[MSDN Library June 1998] ISDN - Basic Rate Interface (22.9839115133233%)
MSDN Library Visual Studio 6.0 > Windows Resource Kits > Windows NT Server 4.0 Resource Kit > Windows NT Server Resource Kit - Supplement 1 > Chapter 4 - Using ISDN > Introduction to ISDN
[MSDN Library June 1998] ISDN Hardware (22.0579855873974%)
MSDN Library Visual Studio 6.0 > Windows Resource Kits > Windows NT Server 4.0 Resource Kit > Windows NT Server Resource Kit - Supplement 1 > Chapter 4 - Using ISDN > Introduction to ISDN
[MSDN Library June 1998] ISDN Terms and Definitions (19.7377241494889%)
MSDN Library Visual Studio 6.0 > Knowledge Base > Windows 95.x Retail Product