[MSDN Library June 1998] ISDN - Primary Rate Interface (97.9591836734694%)

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 (91.9247009148487%)

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 (81.5798733286418%)

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 Notes (28.94371638214%)

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 Modem Requirements (25.0840477256733%)

MSDN Library Visual Studio 6.0 > Books > PC 98 System Design Guide > Part 4: Device Design Guidelines > Chapter 19 > Modem Basic Features