VoIP Secured Communication System

The client requested the development of a complicated VoIP secured communication system, which includes:

• VoIP Call Server
• Advanced Media Platform
• Element Management Server
• Call Dispatcher
• Linux Application in specific Intel hardware
• Web/Mobile Applications
• Mission Critical Push To Talk function (MCPTT) which is applied for secured national communication purposes: broadcast Emergency Audio/Video command, make Secured Calls, operate a situation hotline, send faxes and emails.

Provide full services of software architect, development, testing, maintenance and production support

Architect & Development of below components

• Develop VoIP Call servers (including SCU – Signal Controller Unit)
• Architect & develop AMP platform, including AMPC (like MRFC)
• Built Element Management Server
• Architect and develop embedded module and Linux applications on special hardware in Intel and ARM architectures.
• Develop backend servers: API, fax, web, storage.
• Develop mobile and web applications

Testing

• Fully control testing process
• Perform each component test.
• Perform integration testing and system testing

Production Service

• Provide corrective content and maintenance activities
• Product demo support
• Technologies:
• Signaling and media protocols, multi-process, multi-thread, HA, LB, pipelines, queues, shared mem, synching mechanism
• Programming: C/C++, QT/QML, Python, Java/Swing, Flutter
• Platform: Linux on IA, Gooroom Linux, Android, iOS, LTE termina

• Delivered complete system architecture for key products, including the Advanced Media Platform (AMP) and Linux-based applications.
• Achieved on-time system development and delivery despite limited project resources, ensuring efficient project execution.
• Supported the client in successful system implementation across multiple customer sites, enhancing reliability and performance in real-world operations.