Glossary
Use the glossary when a word in the product, a log line or a page is unclear. Each term links to its feature or owner page. Search also understands alternative names and translated terms.
Availability: Next.
A · B · C · D · E · F · I · L · M · O · P · R · S · T · W
A
AI Flow Builder
The assistant used while authoring a flow; it is distinct from the bot handling a live conversation.
See: AI flow builder, Diagnose flow assistant availability.
Answering-machine detection
Detection of voicemail or an automated answer. The current Delphi flow and SIP transfer interfaces expose no built-in detection control or result.
See: Limits.
Application
The product object that associates a flow with entry points and application settings.
See: Understand the building blocks.
B
Barge-in
Caller speech that interrupts the assistant audio under the applicable speech settings.
See: Choose a channel and AI provider configuration.
C
CDR
A call detail record describing a call outcome and its associated identifiers.
See: Log levels and object structure.
D
Documentation edition
A set of documentation delivered under a particular access and release context.
See: Get access to the right team and.
Draft
An editable flow definition before a deliberate publication step.
See: Save, test and publish a flow.
Drain
A maintenance step that stops new work while existing work is handled according to the service policy.
See: Maintain capacity during a refresh.
DTMF
Keypad digits carried using the transport supported by the call path.
See: DTMF collection in SIP flows.
E
Egress
The outgoing direction of a connection or call.
See: Configure SIP trunks and routing.
Entitlement
An eligibility condition for using a product capability, separate from the permission to edit it.
See: Understand feature availability and missing controls.
Entry point
The selected way a caller or client reaches an application.
See: Configure application entry points.
F
Feature flag
A deployment control whose effect depends on its individual implementation.
See: Understand feature availability and missing controls.
Flow
A definition of conversation steps, transitions and the data they exchange.
See: Build and edit a flow.
Flow Builder
The editor used to arrange steps and configure their inspectors.
See: Build and edit a flow.
I
Ingress
The incoming direction of a connection or call.
See: Configure SIP trunks and routing.
L
Liveness
Whether a process is responding to its health check, which does not prove a complete call succeeds.
See: Check service health and intervene safely.
M
Media
The audio exchanged during a call, distinct from its signaling messages.
See: SIP signaling and media reference.
O
Outbound campaign
Calls initiated to a list of recipients. Delphi's current outbound egress configuration serves transfer legs of existing calls; it does not schedule such campaigns.
See: 1. Choose where the transfer is configured.
P
Portal
The deployment administration surface used for configuration and feature profiles.
See: Deploy, verify and update Delphi.
Provider fallback
A configured alternative speech provider used on a supported failure path.
See: STT and TTS fallback providers.
R
Readiness
Whether a component can accept the intended work; a running process alone does not establish this.
See: Check service health and intervene safely.
REFER
A SIP method used by a supported call-transfer path.
See: Transfer a call.
S
SAML
A sign-in federation protocol. TelWeb exposes local credentials and Microsoft Entra ID, with no direct SAML or Okta provider.
See: Check Microsoft Entra prerequisites.
Scaler
The component that evaluates and changes configured service capacity.
See: Plan capacity and maintain the fleet.
Server group
A collection of service capacity configured and managed as a group.
See: Configure a server group.
SIP signaling
Messages that establish, change and end a SIP session.
See: SIP signaling and media reference.
SIP trunk
A configured telephony connection used to identify or route calls.
See: Configure SIP trunks and routing.
SRTP
Protection for RTP media; SIP signaling encryption is a separate concern.
See: SIP signaling and media reference.
STT
Speech recognition that produces text from incoming audio.
See: Configure modular speech recognition.
T
Tasker
The component responsible for background jobs and recurring schedules.
See: Diagnose background jobs and recurring schedules.
TelPhi
The conversation runtime component on the voice host.
See: Operate the voice services (TelSys, TelPhi, AudioProc).
TelPro
The telephony edge service role.
See: Edge components.
TelSys
The telephony component on the voice host.
See: Operate the voice services (TelSys, TelPhi, AudioProc).
Terminal failover
A final call action after the applicable failure handling is exhausted.
See: Configure final call actions.
TLS
Transport encryption whose certificate and protocol requirements depend on the connection being protected.
See: TLS versions, cipher suites and certificate checks.
Trace
Correlated evidence across components used to investigate a request or call.
See: Logs and diagnostics.
TTS
Speech synthesis that produces audio from text.
See: Configure speech synthesis.
W
Webhook verification
Checking a request at the receiving service. Delphi's webhook node can send configured credentials, but supplies no automatic signature or replay-protection scheme.