1 billion users in 100 countries

Perfect Mobile Video Call SDK

blitzkrieg development of mobile, HD, multi-platform VVoIP applications by service providers and software vendors



  • Leverage 1000+ person-years experience of SPIRIT with VoIP technology
  • Time to market
  • No extra engineering efforts for development team
  • Premium cross-platform HD voice and video quality

Smooth and clear video call over impaired mobile networks:

Resource-efficient voice and video codecs, including SPIRIT IP-MR® (IETF RFC 6262, a patent-free adaptive wideband codec specifically optimized for robust high- quality voice transmission over IP networks), H.264 and VP8 along with support of hardware and software video acceleration.

Dedicated module for IP network impairments compensation, such as latency, jitter and packet loss with various voice and video packet loss robustness and quality improvement algorithms.

Cutting-edge speech enhancement component with tightly integrated Acoustic Echo Cancellation (AEC), Noise Suppression, Automatic Gain and Howling Controls and smart Sound IO module for interaction with any device’s IO subsystem.