caller_id_not_found
HTTP 404§9.17 The customer team workspace on the phone (`/v1/mobile/workspace/*`, `/v1/mobile/voice/token`)
No verified caller ID of that id in this company (or it was removed).
Problem shape
Every non-2xx response is an RFC 9457 application/problem+json body. The type URI below is stable and machine-matchable, so branch on the final path segment (the code) and treat the status as redundant confirmation. See the error-handling guide.
{
"type": "https://docs.vocapable.com/errors/caller_id_not_found",
"title": "…",
"status": 404,
"detail": "…",
"instance": "/v1/…"
}