This is information related specifically to Voice API. For more information on SMS status codes click here.
The result of a call can have different outcomes. Here are all the status codes you can encounter:
200 | Success |
201 | Success Human |
202 | Success Machine |
301 | No Answer (Timeout) |
302 | Busy |
303 | Unreachable |
305 | Rejected |
308 | Temporary Unavailable |
400 | Unknown |
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