Twilio Account SID (AC…).
OptionalapiAPI Key secret — paired with apiKeySid.
OptionalapiAPI Key SID (SK…) — preferred over the auth token for REST auth when paired with apiKeySecret.
OptionalauthAccount auth token — REST auth (when no API key pair) AND the HMAC key for X-Twilio-Signature verification.
OptionalstatusOptional status-callback URL Twilio posts call lifecycle events to.
The publicly reachable wss://…/telephony/twilio/media URL Twilio's
OptionalwebhookOptional shared secret gating the public webhook/WSS endpoints.
Twilio Programmable Voice + Media Streams telephony binding configuration.