Sipdroid Free SIP/VoIP client for Android View on GitHub Download .zip Download .tar.gz FAQ News 3.0 Added TLS encryption for enhanced security. (2013) 2.2 We added VideoSMS, a service to send HD video messages instantaneously regardless which video formats the receiver is able to play. From Sipdroid 2.3 onwards VideoSMS was moved into a separate app. (2011) 2.0 For Google™ Voice users, Sipdroid c