tsap20.exe: 590690 bytes
Telephony Services API 2.0 spec (draft) -- 5-15-98/22:51p
This is the draft spec for the TSAPI 2.0 spec.

tsapi2.exe: 1218107 bytes
TSAPI 2.1 Programming spec -- 5-15-98/22:51p
tsapi 2.1 programmer's guide

g3pbx2.exe: 1348993 bytes
TSAPI 2.1 G3 Programmer's Guide -- 5-15-98/22:51p
Telephony services programmer's guide for the g3 pbx.

csdi2.exe: 1013608 bytes
CSTA Driver Developer's Guide -- 5-15-98/22:51p
Telephony Services CSDI interface spec

tsdi2.exe: 936082 bytes
TSAPI TSDI spec reference -- 5-15-98/22:51p
Telephony Services driver interface spec version 2.1

pbxtst.exe: 448300 bytes
TSAPI PBX certification tests -- 5-15-98/22:51p
Telephony Services PBX Driver certification tests.

cpsdde.exe: 487090 bytes
TSAPI CPS DDE Spec -- 5-15-98/22:51p
DDE programming spec for the CPS utility demonstrated at TSAPI developers conference.