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Analytics

SpeakNode captures detailed data about every conversation for analysis and monitoring.

Conversation History

Every agent session is recorded with:

  • Session metadata — agent, caller, start/end time, duration, status
  • Audio recording — full session audio stored in object storage
  • Transcription — text transcript of the conversation
  • Telemetry spans — detailed OpenTelemetry traces of every step

Session List

Browse all conversations with filters:

  • By agent
  • By status (completed, failed, active)
  • By date range
  • By caller information

Session Detail

For each session you can view:

  • Full conversation transcript with turn-by-turn breakdown
  • Audio playback with waveform visualization
  • Timing metrics per turn (latency, duration)
  • Tool calls made during the session
  • Error details (if failed)

Telemetry & Tracing

The platform uses OpenTelemetry for end-to-end tracing:

User speaks → STT span → LLM span → Tool call span → TTS span → User hears

Each conversation is a trace containing spans for every operation:

  • Span name — operation type (STT, LLM inference, tool call, TTS)
  • Duration — how long each step took
  • Status — success or error
  • Attributes — tags and metadata
  • Events — detailed events within the span

Telemetry Pipeline

Python Worker → OTEL Collector → Kafka → ASP.NET Consumer → Database
                                      → Langfuse (internal observability)

Data Storage

Data Storage
Session metadata PostgreSQL
Audio recordings S3-compatible object storage
Telemetry spans PostgreSQL (via Kafka)
Analytics aggregations ClickHouse
LLM traces Langfuse