| Telnyx | Telephony (PSTN) connectivity (optional) | Call metadata; call audio if enabled | [Varies] |
| Twilio | Telephony (PSTN) connectivity (optional) | Call metadata; call audio if enabled | [Varies] |
| xAI / Grok Realtime | Realtime model inference (optional, workspace-configured) | Audio and/or transcripts sent for inference | [Varies] |
| OpenAI Realtime | Realtime model inference (optional, workspace-configured) | Audio and/or transcripts sent for inference | [Varies] |
| Deepgram | Speech-to-text (optional, workspace-configured) | Audio for transcription | [Varies] |
| ElevenLabs | Text-to-speech (optional, workspace-configured) | Text to synthesize speech; voice selection metadata | [Varies] |
| [Your hosting provider] | Hosting and infrastructure (VPS / cloud) | All service data stored/processed on your infrastructure | [Region] |