MicroSIP allows you to easily make high-quality VoIP calls (person-to-person or on regular telephones) via open SIP protocol.
Make free domestic and international (rates apply) calls right from the comfort of your home or office computer. MicroSIP provides you with an uncomplicated solution for keeping in touch with friends, family, and colleagues near and far. It won\\\'t take up a bunch space or resources with its small footprint (>2.5MB) and RAM usage (>5MB) - written in C and C++ with minimal possible system resource usage.
MicroSIP is specifically designed with usability in mind which is perfect for those that plan on using it on a daily basis - keeping it user-friendly allows you to focus on call content and not on configuring and setup or worse dropped calls. And during your session will enjoy crystal clear voice quality because MicroSIP supports some of the best voice codecs: speex@8,16,32kHz, iLBC@8kHz, GSM@8kHz, G.711@8kHz (PCMU and PCMA), G.722@16kHz, G.729@8kHz, SILK@8,12,16,24kHz, and Linear PCM@8,16,44kHz.
Functionality - voice, messaging, presence, video h264 and h263+ Compatibility - strongly conform to SIP standards Privacy - configurable encryption TLS / SRTP for control and media Portability - stores setting in ini file Multilanguage - included localization files for Brazilian, Bulgarian, Chinese, Dutch, Estonian, Finnish, French, German, Hebrew, Hungarian, Italian, Korean, Norwegian, Polish, Russian, Spanish, Swedish, and Ukrainian.
Version History for MicroSIP: http://www.microsip.org/downloads