| Line is busy |
The busy tone is detected. |
| Invalid number is detected |
Fail to create call. |
| Call is connected and human voice is heard |
Detected live voice. |
| Call is connected and a recorded message is detected |
Detected answering machine. |
| Call is connected and fax is detected |
Detected fax. |
| Call is connected and sit tone is detected |
The sit tone is detected. |
| Trunks are busy |
The fast busy tone is detected. |
| Call classification detection does not detect anything within the specified timeout period |
Timeout is detected. |
| Error occurs during call classification detection |
Error occurs while detecting. |
| Call is not answered |
No answer is detected. |
