Documentation

Glossary

Terminology used across the platform and this documentation.

Parameter	Type	Description
Account SID	Unique identifier for a customer account; used as the username for REST authentication.
Auth Token	Secret used as the password for REST auth and to sign webhooks. Keep it server-side.
SID	A unique resource identifier, e.g. `CA…` (call), `SM…` (message), `RE…` (recording), `PN…` (number).
E.164	International phone number format, e.g. `+2348000000001`.
TwiML	XML instructions (`<Response>` + verbs) that control a call.
Verb	A TwiML element such as `<Say>`, `<Dial>`, `<Record>`.
Webhook / StatusCallback	An HTTP request Ruut Voice sends to your URL on a lifecycle event.
CPS	Calls Per Second — the rate at which outbound calls are initiated.
SIP trunk	A connection to a carrier or your own PBX, with an inbound source-IP allowlist.
Agent extension	A softphone identity for an agent (username, password, domain, WS URL).
Ring group	A group of agents dialed simultaneously on an inbound call; first to answer wins.
B2BUA	Back-to-back user agent — the switch that bridges call legs and executes TwiML.
Bridge / leg	A call connection. A bridged call has two (or more) connected legs.
Dual-channel / stereo recording	A recording with each call leg on its own audio channel (used for deterministic speaker labeling).
Diarization	Identifying who spoke when — produced as `agent`/`customer` segments.
WebRTC	Browser real-time audio (used by the softphone device).
RTP	The media protocol carrying audio between endpoints.