Incoming call status callback
Payload sent by SignalWire to your Inbound Call Status Callback URL for inbound calls to a phone number.
Configure `StatusCallback` at the phone number level via the dashboard
(**Phone Numbers** → select a number → **Phone Number Settings**) or programmatically via the
[create](/docs/compatibility-api/rest/incoming-phone-numbers/create-incoming-phone-number) or
[update](/docs/compatibility-api/rest/incoming-phone-numbers/update-incoming-phone-number) Incoming Phone Number API endpoints.
By default, the webhook fires only when the call is `completed` or `failed`, making it well-suited
for tracking inbound call success rate, call quality, and total call volume in a call center context.