# Channels

- [Overview](https://docs.amigo.ai/channels/conversations.md): A single reasoning engine powers voice calls, text conversations, email, and web-based data collection - same context graphs, same tools, same safety rules across every channel.
- [Phone](https://docs.amigo.ai/channels/voice.md): Real-time phone-based conversations with conference-first architecture, emotion detection, and adaptive voice delivery.
- [Audio Pipeline](https://docs.amigo.ai/channels/voice/audio-pipeline.md): How speech recognition, emotion detection, filler speech, barge-in detection, and TTS work together in real time.
- [Emotion Detection](https://docs.amigo.ai/channels/voice/emotion-detection.md): Dual-model prosody, vocal burst detection, and language analysis track caller emotional state in real time, with per-caller normalization, context fusion, and compound emotion resolution.
- [Compound Emotions](https://docs.amigo.ai/channels/voice/compound-emotions.md): Turn-gated compound emotions derived from acoustic, linguistic, behavioral, and contextual evidence using Plutchik's dyad algebra and temporal trajectory analysis.
- [Call Recordings](https://docs.amigo.ai/channels/voice/recordings.md): Dual-channel stereo recording with tiered storage and secure playback access.
- [Text Sessions](https://docs.amigo.ai/channels/text-sessions.md): Multi-turn text conversations over SMS, WhatsApp, and WebSocket - same reasoning engine, context graphs, and safety boundaries as voice calls.
- [Surfaces](https://docs.amigo.ai/channels/surfaces.md): Agent-generated data collection interfaces delivered to patients via SMS, WhatsApp, email, voice, or web - with optional form templates and calendar booking.
- [Email](https://docs.amigo.ai/channels/email.md): Email channel with domain verification, inbound reply handling, thread continuity, and transactional and marketing use cases.
- [SMS](https://docs.amigo.ai/channels/sms.md): SMS channel for outbound and inbound text messaging through provisioned phone numbers.
- [Voicemail](https://docs.amigo.ai/channels/voicemail.md): Ringless voicemail delivery for non-intrusive outreach like appointment reminders and follow-up notifications.
- [iMessage](https://docs.amigo.ai/channels/imessage.md): iMessage channel for patient communication through Apple's messaging platform.
- [Outbound](https://docs.amigo.ai/channels/outbound.md): Platform-initiated outbound contact driven by clinical rules, care plans, agent decisions, and direct API calls - with full lifecycle tracking in the world model.
- [Operators and Escalation](https://docs.amigo.ai/channels/operators.md): Human operators monitor live interactions, take over when needed, and hand control back to the agent. Conference-based escalation with zero disruption.


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