Sippysoft (Sippy Software, Inc.)

Sippy Software develops SIP-based VoIP and telecommunications software for carriers and service providers worldwide. Its core Sippy Softswitch combines call control, session border controller and billing functions to help operators build, manage and scale voice networks. The company also offers media gateways, clustering and redundancy products, PBX, prepaid calling-card and call-shop tools, plus consulting, custom software development, and technical support.