Raised by SignalWire.dial and the inbound-call flow when a call cannot be brought to the connecting state — typical causes are signaling-layer failure, authentication rejection, or the server refusing the call invite. The direction property distinguishes whether the failure occurred while placing an outbound call or accepting an inbound one.
ErrorHuman-readable error message.
Underlying error that caused the call creation to fail, if any.
Direction of the call that failed to create.
Standard ErrorOptions (e.g. cause).
Direction of the call that failed to create.
Underlying error that caused the call creation to fail, if any.
Human-readable error message.