[MSDN Library April 2000] Supplementary Telephony Services Reference (70.6510081510081%)

MSDN Library - April 2000 > Platform SDK > Networking and Directory Services > Telephony Application Programming Interfaces (TAPI, TSPI, MSPI) > TAPI Version 2.2 (For C Applications) > TAPI 2.2 Reference > TAPI Quick Function Reference

[MSDN Library April 2000] Supplementary Phone Service Functions (51.093610462939%)

MSDN Library - April 2000 > Platform SDK > Networking and Directory Services > Telephony Application Programming Interfaces (TAPI, TSPI, MSPI) > TAPI Version 2.2 (For C Applications) > TAPI 2.2 Reference > TAPI Quick Function Reference > Supplementary Telephony Services Reference

[MSDN Library April 2000] Supplementary Line Service Functions (49.1199262524126%)

MSDN Library - April 2000 > Platform SDK > Networking and Directory Services > Telephony Application Programming Interfaces (TAPI, TSPI, MSPI) > TAPI Version 2.2 (For C Applications) > TAPI 2.2 Reference > TAPI Quick Function Reference > Supplementary Telephony Services Reference

[MSDN Library April 2000] Supplementary Phone Services (33.2669859017303%)

MSDN Library - April 2000 > Platform SDK > Networking and Directory Services > Telephony Application Programming Interfaces (TAPI, TSPI, MSPI) > TAPI Service Providers > Telephony Service Providers (TSP) > Telephony Service Provider Interface (TSPI) > Phone Devices

[MSDN Library April 2000] Supplementary Telephony Services (31.399338688746%)

MSDN Library - April 2000 > Platform SDK > Networking and Directory Services > Telephony Application Programming Interfaces (TAPI, TSPI, MSPI) > The Microsoft Telephony Programming Model > TAPI Levels of Service