Yasin KAPLAN

TekRADIUS is a RADIUS server for Windows. You`re free to use freeware version for both commercial and personal use. We only ask you to provide feedback.

TekSIP is a SIP Registrar/Proxy for Windows.

Freeware SIP Interactive Voice Response System for Windows

Command Line SIP (RFC 3261) User Agent for Windows

TekCERT is a Self Signed Certificate (X.509) Generator for Windows.