OptionalnumbersThe Twilio numbers associated with the trunk (E.164).
OptionaloriginationThe LiveKit SIP URI the Twilio trunk's ORIGINATION URI points at (calls arriving from the phone network are sent
there), e.g. sip:<project>.sip.livekit.cloud.
OptionalterminationHow Twilio authenticates LiveKit's outbound requests on the termination side.
OptionalterminationThe trunk's TERMINATION URI on Twilio (calls MJ places go out through it): <name>.pstn.twilio.com, or a regional form
<name>.pstn.<region>.twilio.com. Needed only when the deployment dials out.
Settings for a Twilio Elastic SIP Trunk carrying calls to and from LiveKit SIP.