conaito VoIP SDK ActiveX
conaito VoIP SDK ActiveX for developers
conaito VoIP SDK ActiveX for developers
VOIP Technology Quick Guide
A comprehensive network monitoring solution.
T.38 Fax/Voice modem for SIP/H.323/ISDN CAPI
Orion VoIP Monitor
VOIP TAPI Solution
VoIP Tunneling and Encryption
Open Source Systems Monitoring and Management
SIP SDK provides tools
.Net SDK for VoIP call system development