Sippy Software, Inc. has been a leading provider of reliable, profitable, and intuitive global telecommunications solutions for Internet Telephony worldwide since 2004. Our scalable, innovative VoIP products and solutions are architected by a development team that has focused on revolutionizing telecommunications, delivering a cost-effective communication architecture with operating costs that cannot be matched by any traditional circuit-switched PSTN network provider worldwide. Sippy currently handles more than 4 billion minutes of traffic, across thousands of client networks in more than 100 countries worldwide, assisting new ITSPs to launch on a weekly basis and contributing significant advancements to many open-source SIP projects.


Our Mission

Sippy Software, Inc. has quickly established itself as a leader in the design and development of next-generation, high-performance solutions for VoIP communication systems. We also offer a full range of professional services to meet specific client needs, including consulting, technical support and custom software development.


Sippy strongly believes that open source and open standards represent the only future for the telecoms industry. We actively contribute major fixes and enhancements to many well-known open-source projects such as Asterisk, SIP Express Router, OpenSIPS, Vovida and FreeBSD. We also actively believe that we should not compete against our clients, and so remain solely focused on developing core, leading edge, Class 4 and 5 switch technologies.



Max Sobolyev

Founder & CEO

Max is the CEO of Sippy Software, and the original developer of RTP Proxy, and B2BUA (2003). Max is very well known in the SIP community and presents at VoIP technology forums.

Gavin McMillan

Dir. Global Sales & Marketing 

Working with AT&T (UK), Gavin worked several international projects, sat on IEEE forums and RFP standards committees. Since 2000, he has led VoIP technology companies worldwide.

Phillip Ma

Product Management

Phillip brings more than 8 years of StoreFront.com experience to lead the Product Development and to ensure that Sippy maintains a solid market lead.

Anatolii Lipatov

Business Development

Anatolii is responsible for several areas of business development with Sippy and manages our Global Partnership Program.