# ctiapps.pro > Scalable systems. Reliable infrastructure. Building voice platforms and scalable backends since 2006. ## Services - [VoIP / RTC](/services/voip-rtc/): Voice platform architecture, WebRTC, FreeSWITCH, Kamailio, Asterisk, AI voice agents - [DevOps](/services/devops/): CI/CD pipelines, GitHub Actions, Terraform, Kubernetes, Docker, cloud infrastructure - [Architecture](/services/architecture/): System design, API development, microservices, multi-language backend engineering - [Scaled Backends](/services/scaled-backends/): High-throughput systems, voice test automation, distributed infrastructure ## Contact - Email: hello@ctiapps.pro - Phone: +34 65 22 99 183 - Telegram: https://t.me/ctiapps