Eraser - Eraser is an advanced security tool (for Windows), which allows you to completely remove sensitive...
Linphone - Linphone is an internet phone or Voice Over IP phone (VoIP).
iShredder - PROTECTSTAR is a leader in providing Secure Deletion (Erasure) software products: PROTECTSTAR has served more than 2,000,000 customers worldwide and earned a reputation as a leader in providing innovative security solutions.
Zoiper - Cross-platform VoIP softphone dialer for SIP and IAX systems
WipeFile - WipeFile erases files and folders secure and fast.
Sipdroid - Free and open-source SIP/VoIP Client