Modern stack for AI telephony, SIP routing, WebRTC and production Linux systems.
My strongest value is connecting all layers: voice protocol, media, PBX, AI, database, API, cloud and monitoring.
OpenAI, Google AI, Mistral, Vosk, Ollama, DeepSeek, AssemblyAI, Groq, Qwen, fine-tuning, prompt workflows, AI callbots, STT, TTS, voice analytics and KPI monitoring.
SIP, IAX2, RTP, RTCP, WebRTC, WSS, TLS, SRTP, RTPengine, NAT traversal, SDP debugging, trunking, HA, failover, LCR and carrier interconnects.
Asterisk, FreePBX, Vicidial, custom IVR, queues, recordings, billing/CDR, meeting rooms, voicemail, predictive dialers and CRM call control.
Ubuntu/Linux servers, Bash, Python, Node.js, PHP, MySQL, PostgreSQL, MongoDB, SQLite, Git, Docker basics, Ansible, Nginx and production automation.
Fail2ban, iptables, IPsec/OpenSwan, Squid, Zabbix, Smokeping, Munin, Nagios, VoipMonitor, Wireshark, tcpdump and sngrep.