[MSDN Library June 1998] ISDN Hardware (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 - Primary Rate Interface (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 - Basic Rate Interface (81.2925170068027%)

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 (32.524618238904%)

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 (24.0720537226748%)

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