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StarTrinity software company develops world class server side VoIP software for testing, proxying, termination of SIP/RTP/T.38 traffic. Publically available VoIP software products and services are:
SIP Tester
is used to test and monitor quality of SIP/RTP servers, trunks, VoIP networks, to analyse .pcap files
SIP Softswitch
is used for GSM Termination (with SIM management), VoIP wholesale, VoIP retail origination
Network Tester
is used for VoIP readiness testing to test jitter, packet loss, MOS in prospect's network before dealing with them
CRM for software developers
large system, is used to optimize marketing and technical support for software developers. we use it ourselves
HTTP Tester
HTTP/HTTPS GUI test tool for Windows. We use it to test and troubleshoot our web API's
Hierarchical list, we use it for software design, task management, bug tracking, storing knowledge in structured way
Various projects:


Our software is based on Microsoft Windows, C#, .NET, WPF, HTML, javascript and C/C++. Development methods include:
  • tracking user's experience and improving software based on feedback
  • getting immediate bug reports and fixing problems in short period of time
  • keeping codebase clean and healthy, massive refactoring and optimization of code
  • running extensive stress tests
  • talking and listening to customers, receiving requests of new features
  • researching activity of competitors
  • writing documentation based on customers' questions: minimizing need of live technical support


We are proud of high stability and easy maintenance of the software. We do value:
  • easy, understandable GUI and fast learning curve for customers
  • efficiency of GUI and API
  • high speed of installation and configuration
  • quality and robustness of our code
  • prompt bug fixing and rapid development of new features
Our company StarTrinity is named in honor of the Holy Trinity (God), since he helps us in the software development, in marketing and in personal life

Key executive

Sergey Aleshin


We are looking for partners and employees: check our jobs
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