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Access logs

SUPERUSER audit feed for authentication, session, password, and role-management events across the platform.

Admin tools

Platform-wide reusable JavaScript tools — same surface as team tools but available to every team.

AI Flow Builder

An AI-powered panel on top of the Flow Designer that drafts and edits flows from natural-language briefings.

API keys

API keys for external systems — primarily WebRTC call tokens. Feature-gated and only visible when API access is enabled for the team.

API server config

API server instance scaling and platform-wide request rate limiting.

App overview

The /apps/{appId} workspace — a slim overview screen with version history and recent conversations. Most of the app's configuration lives in the Flow Designer.

Apps

An app is the top-level container for a Delphi voice product. Almost all of its surface is rendered in the Flow Designer; this page covers what an app is, how to create one, and how to manage the list.

Azure provider

Azure OpenAI Realtime, Speech STT, and Speech TTS — regions, deployments, endpoint URLs, and SSML.

Base numbers

Platform-registered phone numbers — the foundation for PSTN endpoints. Assigned to teams; mapped to server groups; optionally extension-enabled.

Conversations

The primary tool for debugging and analysing calls — log timeline, recording playback, transfers, token usage, and cost.

Cron schedules

Recurring background jobs run by the Tasker service — backups, billing, cleanup, scoring, notifications.

Custom deals

Create contract-managed billing deals, activate them through Stripe checkout, and control channel entitlements for teams.

Custom STT/TTS endpoints

Point modular STT/TTS and realtime providers at custom hostnames or IP addresses — mock speech servers, private Azure Speech, and on-prem integrations.

Dashboard

Customizable per-team analytics overview — widgets, timeframe toolbar, and edit mode.

Draft and publish

How flows move from a testable draft to a published version that handles live conversations.

Egress routing

Platform-wide outbound SIP trunks and egress pools — carrier routing, pool strategies, authentication, caller ID, and base-number linking.

Endpoints

Where a session starts — phone (PSTN), web voice (WebRTC), and web chat. Conceptual reference; endpoints are created and edited inside the Flow Designer.

Flow Designer

The visual editor where you author every part of a Delphi app — endpoints, providers, conversation nodes, and the AI behaviour that ties them together.

For platform admins

Platform-wide administration — users, teams, base numbers, server groups, SIP trunks, TLS materials, cron schedules, job history. Requires SUPERUSER.

For team admins

Per-team configuration — members, egress trunks and pools, variables and secrets, header manipulation, API keys, team tools, subscription, notifications. Requires team ADMIN or SUPERUSER.

Gemini Live provider

Google Gemini Live realtime voice provider — model, API key, and optional custom realtime WebSocket URL.

Grok provider

xAI Grok Realtime voice provider — model, voice, API key, and optional custom WebSocket URL.

Inspectors

The right-panel editors that open when you click something on the Flow Designer canvas — node inspector, endpoint inspector, flow settings, provider editor, variable catalogue, and version history.

Inworld provider

Inworld STT and TTS for modular pipeline flows — models, voices, and custom endpoint URLs.

Job history

Read-only history of background jobs — status, attempts, results, and errors.

Languages

Manage TelWeb UI languages, translation overrides, and user language preferences.

My subscription

Plan, usage, billing, plan management, overage limits, and legal documents.

Navigation and layout

The sidebar, header bar, global search, and user-settings drawer that frame every TelWeb page.

Node catalogue

Every node type rendered on the Flow Designer canvas — conversation nodes that run at call time and virtual nodes that explain the surrounding plumbing.

Notification types

Email notification types, templates, recipients, severity, and rate limits used for operational alerting.

Notifications

System-generated team notifications — usage thresholds, subscription lifecycle, billing, and account events.

OpenAI provider

OpenAI Realtime, Chat, and TTS provider settings in the Flow Designer — models, voices, and optional custom API URLs.

Platform settings

Platform-wide secret storage, resilience defaults, AI defaults, SigNoz, egress fallbacks, transfer restrictions, and Tasker mail verification.

Platform TLS materials

TLS certificates and keys for mTLS on SIP trunks — CA certs, client certs, client keys stored in AWS Secrets Manager.

Providers

Provider concept reference — pipeline modes, where providers live, credentials, resilience, and links to per-vendor configuration.

Pythia provider

KI Kombinat Pythia Realtime — self-hosted unified voice with a required custom WebSocket URL.

Roles and access

Two-level role model — system role on the user, team role per membership — and the permission matrix that flows from it.

Server groups

Pools of voice processing servers — load balancing and auto-scaling controls.

SIP header context rules

Map SIP headers and managed LLM channel data into structured key-value context — rules, templates, encoding, and source JSON.

SIP trunks

Inbound SIP trunks — identification, authentication, media, TLS / mTLS, and how trunks run in parallel.

Source view

View and edit the flow definition as JSON. The same definition is portable across apps and environments.

Speech playback and hangup

How Delphi queues TTS output in pipeline mode, plays multiple bot messages in order, and coordinates hangup with waitForSilence and delayBotDisconnectMs.

Team overview

The Team tab — team identity, resilience defaults, base numbers, egress trunks and pools, AWS Secrets Manager, and call recording configuration.

Team tools

Reusable JavaScript tools shared across multiple agents in the team, with versioning and centralized updates.

TOBi managed LLM

Managed LLM integration with bot-driven transfer and hangup — base URL, credentials, and SIP header context rules.

Users and teams

Platform-wide user and team management. Distinct from per-team Settings → Users.

Variables and secrets

Team-scoped key/value pairs — PLAIN_TEXT in Postgres or SECRET in AWS Secrets Manager — referenced from agent instructions and tool code.

Welcome to Delphi

Find your way around the Delphi user guide. Pick the persona that matches what you're doing — first-time user, day-to-day builder, team admin, or platform admin.