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Ayoola Solomon
Ayoola Solomon

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Designing Deployable Voice-AI Playbooks (p95 < 300 ms, preflight blue/green)

This is a design/engineering write-up for our EchoStack pivot. We’re packaging Voice-AI playbooks (like After-hours Answering and Lead Qualifier → Auto-Book) into deployable solutions with no-code setup, safe rollouts, and KPI tiles.

Status: Early Access only — we’re validating integrations and rollout safety with a small group before opening signups.

Why playbooks (not tool soup)

Teams don’t buy models; they buy outcomes: fewer missed calls, more booked meetings, lower AHT. The hard parts are barge-in latency and safe deployment, not the LLM itself.

Latency budget we hold ourselves to (p95 targets)

  • ASR partials: 60–90 ms
  • LLM first token: 80–120 ms
  • TTS first audio: 50–80 ms
  • Network buffers: 40–60 ms → Goal: < 300 ms p95 end-to-end (barge-in friendly).

Rollout safety (what we’re building)

preflight → plan → apply (blue) → smoke test → switch (green) → rollback

  • Preflight checks scopes, latency probes, and config drift.
  • Plan shows a human-readable diff.
  • Apply deploys to an inactive slot (blue).
  • Switch flips traffic; Rollback is one click.

Integration surface (first adapters)

  • Telephony: Twilio/Plivo/SIP
  • Voice agent: Retell (others later)
  • Calendar: Calendly/Google
  • CRM: HubSpot/Salesforce (Sheets fallback)
  • Helpdesk: Zendesk (optional)

What exists today

  • Data model + manifests for two playbooks
  • No-code configuration flow (internal)
  • Preflight → plan → apply skeleton
  • KPI tiles (self-serve %, AHT, booked meetings) wired to session events

What we’re validating next

  • Region-aware routing under load
  • Failure modes during blue/green switches
  • Adapter ergonomics (CRM/calendar/telephony edge cases)

Looking for feedback

  • Are these p95 targets realistic for your use case?
  • What minimum logs/SLAs make you comfortable with rollout?
  • Which adapter combo should be prioritized?

More context: https://getechostack.com/playbooks

Early Access (no public demo yet): https://getechostack.com/contact?subject=Early%20Access

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