ReadonlyNameA stable identifier (twilio-elastic-sip).
Reports health. An implementation that does not contact the carrier says so in SipTrunkHealth.Detail.
The settings the carrier's trunk needs so it talks to LiveKit SIP.
The numbers the carrier terminates for the deployment, when it can say.
Checks the settings MJ holds for this carrier.
A Twilio Elastic SIP Trunk, validated from configuration alone.