Normalized for Mintlify from knowledge-base/aiconnected-apps-and-modules/modules/aiConnected-voice/complete-infra-stack.mdx.
Complete Infrastructure Stack
| Component | Service | Purpose |
|---|
| Phone System | GoToConnect | PSTN, call control, WebRTC |
| Real-time Audio | LiveKit Cloud | Room management, audio routing |
| TTS | RunPod (Chatterbox) | Speech synthesis |
| STT | Deepgram | Speech-to-text transcription |
| LLM | Anthropic API (Claude) | Conversational AI brain |
| Platform Hosting | DigitalOcean/Dokploy | Web app, API gateway, agents |
| Database | PostgreSQL (on DO) | Tenants, configs, call logs |
| Cache/State | Redis (on DO) | Session state, call state machine |
| Automation | n8n (on DO) | Tool calling, CRM webhooks |
| Object Storage | DO Spaces or S3 | Voice samples, recordings |
| Monitoring | Grafana/Prometheus or Datadog | Logs, metrics, alerts |
Monthly Cost Estimate (Starting)
| Service | Est. Cost |
|---|
| GoToConnect | $17/user (grandfathered) |
| LiveKit Cloud | ~$50-100 (low volume) |
| RunPod A5000 | ~$197 |
| Deepgram | ~$50-100 (low volume) |
| Anthropic API | ~$100-300 (depends on usage) |
| DigitalOcean | ~$50-100 (droplets + spaces) |
| Total | ~$500-800/mo to start |
