VoIP and SIP Telephony Engineer with Asterisk and Kamailio

Що робити

• Review and audit existing Asterisk and Kamailio architecture, configurations, and integrations.
• Analyze and document end-to-end SIP communication and call flows.
• Trace communication between mobile applications, backend services, APIs, Kamailio, Asterisk, SIP providers, and media services.
• Identify configuration issues, routing problems, integration failures, bottlenecks, and potential points of failure.
• Troubleshoot SIP registration, call setup, call routing, dropped calls, authentication, RTP, and audio-related issues.