SIP trunk health monitoring
How the configured Delphi inbound SIP trunk monitor works, what available/degraded/unavailable mean, how to query the /health/sip-trunks endpoint, and how trunk-down alarming works.
How the configured Delphi inbound SIP trunk monitor works, what available/degraded/unavailable mean, how to query the /health/sip-trunks endpoint, and how trunk-down alarming works.
Catalog of SIP trunk health logs emitted by TelPhi and TelAPI — when each fires, what it means, and which payload fields appear.