Features A–Z

Every feature of the feature map in alphabetical order. Use search to find features by alternative names, translated terms or configuration identifiers.

Availability: Next.

A

• Access logs (sign-in and access events) (Logs, traces and monitoring)
• Action request step (Flows and the flow builder)
• Actions an agent can call (Flows and the flow builder)
• Activate trunk certificates and trust material (Security, TLS and network)
• Active calls per edge and voice server (Scaling, capacity and high availability)
• Additional AI providers (AI providers and models)
• Additional API authentication methods (HTTP API)
• AI flow builder (Flows and the flow builder)
• AI flow builder models and credentials (Flows and the flow builder)
• AI input and output audio format (Media, audio and speech)
• AI-side audio format (AI providers and models)
• Alert rules and voice service heartbeat (Logs, traces and monitoring)
• Allowed origins and IP addresses for browser endpoints (HTTP API)
• Alternate speech recognition and synthesis providers (Resilience, retries and fallbacks)
• API error responses (HTTP API)
• API key scopes (HTTP API)
• API rate limits (HTTP API)
• Application entry points (Flows and the flow builder)
• Applications and their flows (Flows and the flow builder)
• Apply an update to the hosts (Deployment and operations)
• Assign header rule sets to a base number (SIP headers and call data)
• Assign numbers to teams (SIP trunks, numbers and routing)
• Attended transfer through the platform (Call transfers)
• Audio format between the voice service and the AI runtime (Media, audio and speech)
• Audio preprocessing and noise reduction (Media, audio and speech)
• Audio while a transfer is in progress (Call transfers)
• Audit and log retention (Logs, traces and monitoring)
• Audit log of administrative actions (Logs, traces and monitoring)
• Authenticate API requests with a key header (HTTP API)
• Automatic scaling (Scaling, capacity and high availability)
• AWS access and instance profile (Deployment and operations)
• Azure OpenAI Realtime (AI providers and models)
• Azure speech recognition (AI providers and models)

B

• Background jobs and schedules (Deployment and operations)
• Barge-in while the bot is speaking (Media, audio and speech)
• Base numbers (SIP trunks, numbers and routing)
• Blind or notify REFER outcome (Call transfers)
• Browser action capabilities (Browser and SDK)
• Browser text and voice entry points (Browser and SDK)
• Browser text conversations (Browser and SDK)
• Browser voice calls (Browser and SDK)

C

• Cache synthesized speech for playback (Media, audio and speech)
• Call and usage metrics (Quality, dashboards and analytics)
• Call detail records (Logs, traces and monitoring)
• Call end categories (Calls and call lifecycle)
• Call transcripts (Recordings, transcripts and data privacy)
• Caller satisfaction on the dashboard (Quality, dashboards and analytics)
• Calls refused before answer (Calls and call lifecycle)
• Cancel, undo cancellation or resubscribe (Plans, usage, notifications and SMS)
• Capacity planning and measurements (Scaling, capacity and high availability)
• Carrier REFER normalization (SIP headers and call data)
• Change plan or billing interval (Plans, usage, notifications and SMS)
• Choose what an app records (Recordings, transcripts and data privacy)
• Cleanup after cancellation (Plans, usage, notifications and SMS)
• Collect keypad digits in a flow (DTMF)
• Concurrent call limit per voice instance and group (Scaling, capacity and high availability)
• Configuration layers and activation (Deployment and operations)
• Configuration snapshots and backups (Deployment and operations)
• Configure the AI provider of a flow (AI providers and models)
• Container images and release tags (Deployment and operations)
• Conversation debug view (logs, span tree, SIP ladder) (Logs, traces and monitoring)
• Conversation history and review (Quality, dashboards and analytics)
• Conversation QA scoring (Quality, dashboards and analytics)
• Conversation step (voice agent) (Flows and the flow builder)
• Create and provision a team (Accounts, teams and access)
• Create browser session tokens (Browser and SDK)
• Create users and manage memberships (Accounts, teams and access)
• Current usage and usage history (Plans, usage, notifications and SMS)
• Custom agreements (Plans, usage, notifications and SMS)
• Custom headers passed to carriers (SIP headers and call data)
• Custom provider endpoints (AI providers and models)

D

• Daily API request limit per team (HTTP API)
• Dashboard reporting period (Quality, dashboards and analytics)
• Dashboard widgets (Quality, dashboards and analytics)
• Database backups and restore (Deployment and operations)
• Database connection and credentials (Deployment and operations)
• Database projection of log records (Logs, traces and monitoring)
• Decision step (Flows and the flow builder)
• Decommission a team (Accounts, teams and access)
• Delete a call's recordings (Recordings, transcripts and data privacy)
• Deployment feature switches (Deployment and operations)
• Deployment prerequisites (Deployment and operations)
• Detailed hangup triggers (Calls and call lifecycle)
• Detect and switch the caller's language (Media, audio and speech)
• Diagnose blocked and failed transfers (Call transfers)
• Discover browser runtime capabilities (Browser and SDK)
• Distributed tracing and call correlation (Logs, traces and monitoring)
• Documentation assistant (Ask AI) (Flows and the flow builder)
• Documentation reader accounts (Accounts, teams and access)
• Drafts and publishing (Flows and the flow builder)
• Draining an edge (Scaling, capacity and high availability)
• DTMF transport over SIP (RFC 4733) (DTMF)
• Dynamic values in header rules (SIP headers and call data)

E

• Edge instance overview (Scaling, capacity and high availability)
• Edge routing handover integration (Scaling, capacity and high availability)
• Edge source verification and call token checks (Security, TLS and network)
• Email delivery (Plans, usage, notifications and SMS)
• Enabled features overview (Deployment and operations)
• Encrypted database and Redis connections (Security, TLS and network)
• Environment variable reference and deployment identity (Deployment and operations)
• Extensions on a base number (SIP trunks, numbers and routing)
• External service step (Flows and the flow builder)

F

• Feedback while the bot is slow to answer (Resilience, retries and fallbacks)
• Final call actions on runtime failure (Resilience, retries and fallbacks)
• Final SIP response for calls that never connect (Calls and call lifecycle)
• First-use setup and baseline data (Deployment and operations)
• Flow builder canvas (Flows and the flow builder)
• Flow data and variables (Flows and the flow builder)
• Flow primary language and language switching (Media, audio and speech)
• Flow settings (Flows and the flow builder)
• Flow source view and import (Flows and the flow builder)
• Flow step types (Flows and the flow builder)
• Flow templates (Flows and the flow builder)
• Flow version history and restore (Flows and the flow builder)
• Flow-level resilience settings (Resilience, retries and fallbacks)

G

• Give up when the bot stops responding (Calls and call lifecycle)
• Google Gemini Live (AI providers and models)

H

• Handoff of an inbound call to the voice runtime (SIP signalling and telephony edge)
• Hang up from a flow or a bot (Calls and call lifecycle)
• Headers and URI parameters on a transfer (Call transfers)
• Host and infrastructure metrics (Logs, traces and monitoring)

I

• In-app notifications (Plans, usage, notifications and SMS)
• Inbound SIP headers available to the call (SIP headers and call data)
• Inbound SIP trunks (SIP trunks, numbers and routing)
• Inbound trunk authentication (SIP trunks, numbers and routing)
• Instance heartbeats and usage reports (Scaling, capacity and high availability)
• Integration transaction records (Logs, traces and monitoring)
• Interface languages and translations (Accounts, teams and access)
• Inworld speech recognition (AI providers and models)

K

• Keypad input in recordings and transcripts (DTMF)

L

• Language model query step (Flows and the flow builder)
• Legal documents and consent (Plans, usage, notifications and SMS)
• Legal notice banner (Deployment and operations)
• Let a voice agent collect digits (DTMF)
• Let members publish apps (Accounts, teams and access)
• List a team's call endpoints over the API (HTTP API)
• Live interpretation step (Flows and the flow builder)
• Load balancing across voice instances (Scaling, capacity and high availability)
• Lockout after repeated failed API credentials (HTTP API)
• Log record fields and event types (Logs, traces and monitoring)
• Log-to-span conversion for SIP and media (Logs, traces and monitoring)

M

• Maximum call duration (Calls and call lifecycle)
• Media connection warning and disconnect (Calls and call lifecycle)
• Media floating address (Scaling, capacity and high availability)
• Media path after an INVITE transfer (Call transfers)
• Media upload and playback server (Media, audio and speech)
• Microsoft Entra single sign-on (Accounts, teams and access)
• Monitoring dashboards (Logs, traces and monitoring)
• Move between text and voice (Browser and SDK)

N

• Network ports, allowed sources and firewall (Security, TLS and network)
• Notification types (Plans, usage, notifications and SMS)
• Number lookup and routing responses (SIP trunks, numbers and routing)

O

• OpenAI Chat language model (AI providers and models)
• OpenAI GPT-Live (pilot) (AI providers and models)
• OpenAI Realtime (AI providers and models)
• OpenAPI description and interactive API explorer (HTTP API)
• Operation events (Logs, traces and monitoring)
• Optional SIP header budget (SIP headers and call data)
• OPTIONS keepalive (SIP signalling and telephony edge)
• Outbound (egress) trunks (SIP trunks, numbers and routing)
• Outbound call intent correlation (SIP trunks, numbers and routing)
• Outbound caller ID (SIP trunks, numbers and routing)
• Outbound egress proxy (Security, TLS and network)
• Outbound routing methods and contact-centre trunks (SIP trunks, numbers and routing)
• Outbound routing pools (SIP trunks, numbers and routing)
• Outbound trunk authentication and registration (SIP trunks, numbers and routing)
• Outbound trunk failover (SIP trunks, numbers and routing)
• Overage billing (Plans, usage, notifications and SMS)
• Overage spending cap and notification thresholds (Plans, usage, notifications and SMS)
• Override the provider on a single step (AI providers and models)

P

• Paged API responses (HTTP API)
• Password expiry, change and reset (Accounts, teams and access)
• Payment failure and grace period (Plans, usage, notifications and SMS)
• Per-trunk BYE size budget (SIP headers and call data)
• Personal interface preferences (Accounts, teams and access)
• Pipeline modes (unified realtime, modular voice, TTS only, LLM only) (AI providers and models)
• Plans and plan limits (Plans, usage, notifications and SMS)
• Platform default outbound route (SIP trunks, numbers and routing)
• Platform roles (Accounts, teams and access)
• Platform secrets and secret storage (Security, TLS and network)
• Platform settings (Deployment and operations)
• Platform termination causes and SIP mapping (Calls and call lifecycle)
• Platform tools (Flows and the flow builder)
• Platform usage by team and app (Quality, dashboards and analytics)
• Platform-managed default keys and AI defaults (AI providers and models)
• Play system audio on call events (Media, audio and speech)
• Portal configuration publishing (Deployment and operations)
• Portal feature profiles (Deployment and operations)
• Provider credentials and key references (AI providers and models)
• Provider timeouts, retries and reconnects (Resilience, retries and fallbacks)
• Provision and bootstrap hosts (Deployment and operations)
• Public and private edge addresses (NAT) (SIP signalling and telephony edge)
• Public edge certificates and renewal (Security, TLS and network)
• Pythia Realtime (AI providers and models)

Q

• QA scoring defaults for the platform and teams (Quality, dashboards and analytics)
• QA scoring per app (Quality, dashboards and analytics)

R

• Read a SIP header in a flow (SIP headers and call data)
• Realtime turn detection and transcription settings (AI providers and models)
• Recording output files (Recordings, transcripts and data privacy)
• Recording processing and playback (Recordings, transcripts and data privacy)
• Recording retention (Recordings, transcripts and data privacy)
• Recover browser sessions (Browser and SDK)
• Recover deployment configuration (Deployment and operations)
• Recover Super Admin access (Accounts, teams and access)
• Redaction of personal data in logs (Logs, traces and monitoring)
• Redis connection (Deployment and operations)
• REFER target host (Call transfers)
• Rejected and unknown SIP traffic (SIP signalling and telephony edge)
• Release compatibility and upgrade notes (Deployment and operations)
• Reliable provisional responses (100rel and PRACK) (SIP signalling and telephony edge)
• Request and release phone numbers (Plans, usage, notifications and SMS)
• Reserved and internal SIP headers (SIP headers and call data)
• Resilience controls availability (Resilience, retries and fallbacks)
• Resilience defaults and inheritance (Resilience, retries and fallbacks)
• Responses generated by the edge (SIP signalling and telephony edge)
• Resumable call sessions (Calls and call lifecycle)
• Retry on selected HTTP status codes (Resilience, retries and fallbacks)
• Review a conversation's QA result (Quality, dashboards and analytics)
• Review and diagnose keypad input (DTMF)
• Ring time for the transfer target (Call transfers)
• Role collectors and the telemetry pipeline (Logs, traces and monitoring)
• Runtime capabilities endpoint (HTTP API)

S

• Scaling events and alerts (Scaling, capacity and high availability)
• Scaling providers and provisioning scripts (Scaling, capacity and high availability)
• Scoring job and scoring failures (Quality, dashboards and analytics)
• SDK and protocol compatibility (Browser and SDK)
• SDP, codecs and number format at the edge (SIP signalling and telephony edge)
• Security event export to a SIEM (Logs, traces and monitoring)
• Select an extension by keypad before the flow starts (DTMF)
• Self-service registration (Plans, usage, notifications and SMS)
• Send SIP headers on hangup and transfer (SIP headers and call data)
• Send text messages from flows (Plans, usage, notifications and SMS)
• Sensitive information protection in recordings (Recordings, transcripts and data privacy)
• Server group maintenance (drain, resume, refresh, restart) (Scaling, capacity and high availability)
• Server groups (Scaling, capacity and high availability)
• Service health and readiness checks (Logs, traces and monitoring)
• Service log levels (Logs, traces and monitoring)
• Service refresh and server group maintenance (Deployment and operations)
• Service roles and topology (Deployment and operations)
• Session idle timeout and concurrent sessions (Accounts, teams and access)
• Session WebSocket channel (Browser and SDK)
• Shared draft editing and takeover (Flows and the flow builder)
• Shared voice flow (Flows and the flow builder)
• Side flows (Flows and the flow builder)
• Sign in with email and password (Accounts, teams and access)
• Sign-in lockout after failed attempts (Accounts, teams and access)
• SigNoz connection for the web application (Logs, traces and monitoring)
• SigNoz observability host (Logs, traces and monitoring)
• Single active scaler and job runner (Scaling, capacity and high availability)
• SIP edge health (SIP signalling and telephony edge)
• SIP edge log records (Logs, traces and monitoring)
• SIP edge proxy (SIP signalling and telephony edge)
• SIP header manipulation rules at the edge (SIP headers and call data)
• SIP header name validation (SIP headers and call data)
• SIP message capture (Logs, traces and monitoring)
• SIP over TLS at the edge (Security, TLS and network)
• SIP termination headers (SIP signalling and telephony edge)
• SIP transaction and dialog timers (SIP signalling and telephony edge)
• SIP transports and ports (SIP signalling and telephony edge)
• SIP trunk probe and health records (Logs, traces and monitoring)
• Speech context phrases (Media, audio and speech)
• Speech playback step (Flows and the flow builder)
• Speech recognition providers (Media, audio and speech)
• Speech synthesis providers (OpenAI, Azure, Inworld) (AI providers and models)
• Speech synthesis providers and voices (Media, audio and speech)
• Speech transcription step (Flows and the flow builder)
• SRTP media encryption (Security, TLS and network)
• Stale call clean-up (Calls and call lifecycle)
• Stale instance detection (Scaling, capacity and high availability)
• Stripe payments and billing events (Plans, usage, notifications and SMS)
• Subscription management (Plans, usage, notifications and SMS)
• Supported SIP methods (SIP signalling and telephony edge)
• Suspend or re-enable product access (Accounts, teams and access)
• Sync platform and app configuration to Redis (Deployment and operations)
• System audio library (Media, audio and speech)
• System audio storage backend (Media, audio and speech)

T

• Team API keys (HTTP API)
• Team recording storage bucket (Recordings, transcripts and data privacy)
• Team roles (Accounts, teams and access)
• Team secret storage in AWS (Accounts, teams and access)
• Team settings (Accounts, teams and access)
• Team tools (Flows and the flow builder)
• Team variables and secrets (Accounts, teams and access)
• TelAPI HTTP service (HTTP API)
• Telephony details of a conversation (Calls and call lifecycle)
• Text chat step (Flows and the flow builder)
• Text message allowance and usage (Plans, usage, notifications and SMS)
• Text-to-speech usage over the API (HTTP API)
• TLS and mutual authentication on egress trunks (Security, TLS and network)
• TLS checks on inbound trunks (Security, TLS and network)
• TLS for the media and recording service (Security, TLS and network)
• TLS on internal service listeners (Security, TLS and network)
• Tool code and its runtime helpers (Flows and the flow builder)
• Trace debug and log search (Logs, traces and monitoring)
• Trace headers on SIP messages (SIP headers and call data)
• Transfer a call from a flow (Call transfers)
• Transfer destination restrictions (Call transfers)
• Transfer methods (REFER, INVITE, BYE) (Call transfers)
• Transfer reason on the new call leg (SIP headers and call data)
• Transfer result and resume after failure (Call transfers)
• Transfer target, routing pool and caller ID (Call transfers)
• Transfer when the bot stops answering (Call transfers)
• Transfers from browser voice calls (Call transfers)
• Transitions between steps (Flows and the flow builder)
• Trunk active calls and reachability (SIP trunks, numbers and routing)
• Trunk call limit field (SIP trunks, numbers and routing)
• Trunk health monitoring and alerts (SIP trunks, numbers and routing)
• Trunk health probes (SIP trunks, numbers and routing)
• Trunk identification and allowed IPs (SIP trunks, numbers and routing)
• Trunk maintenance mode (SIP trunks, numbers and routing)
• Trunk quick templates (SIP trunks, numbers and routing)
• Trunk routing and technical fields (SIP trunks, numbers and routing)
• Two-edge high availability (Scaling, capacity and high availability)
• Type during voice calls (Browser and SDK)

U

• Usage and overage alerts (Plans, usage, notifications and SMS)

V

• Verified platform role change (Accounts, teams and access)
• Voice codecs on SIP calls (Media, audio and speech)
• Voice host selection by the edge (SIP signalling and telephony edge)
• Voice server inventory (Scaling, capacity and high availability)
• Voice service and media diagnostic logs (Logs, traces and monitoring)
• Voice service control interface (ARI and AMI) (SIP signalling and telephony edge)
• Voice service operation (Deployment and operations)

W

• Web app configuration endpoint (HTTP API)
• Welcome invitation and first setup (Accounts, teams and access)

X

• xAI Grok Realtime (AI providers and models)