AI Voice Agents & CallBot Automation
Design and integrate AI callbots with real-time STT/TTS streaming, LLM orchestration, CRM actions, call recording, KPI tracking and fallback routing to human agents.
- OpenAI, Google STT/TTS, AssemblyAI, VoiceRSS and local AI options
- Inbound/outbound AI calls, appointment flows, qualification and support
- Latency optimization, prompt design, function calling and call analytics
Kamailio / OpenSIPS SBC Architecture
Production SBCs with TLS, UDP, TCP, WebRTC, RTPengine, failover, HA, LCR, load balancing, authentication, multi-domain routing and concurrent call control.
- IP, username/password or combined authentication
- NAT traversal, Contact/Via/Record-Route fixes and media anchoring
- Dispatcher, uacreg, topology hiding and SIP header manipulation
Asterisk PBX & Call Center Platforms
Custom Asterisk dialplans, PJSIP realtime, queues, IVR, AGI/AMI/ARI, CDR, recording, CRM integration, billing and call center automation.
- FreePBX, Vicidial, custom predictive dialer and queue workflows
- CDR billing, recordings, monitoring and custom APIs
- Migration, optimization and production troubleshooting
WebRTC Softphone & Browser Calling
Modern browser telephony using SIP over WSS, secure media, WebRTC gatewaying, JWT authentication, NAT traversal and frontend/backend integration.
- WSS/TLS certificates, RTPengine and media relay
- Browser-to-PBX, browser-to-AI-agent and click-to-call flows
- Softphone UX, presence, messaging and agent tools
VoIP Security, Monitoring & Level 3 Support
Secure and monitor Linux VoIP systems with Fail2ban, iptables, IPsec, TLS, Zabbix, VoipMonitor, sngrep, tcpdump and Wireshark analysis.
- Fraud prevention, DoS hardening and SIP attack analysis
- QoS, MOS, jitter, latency and packet-loss investigation
- Production incident response and root-cause analysis