Within the range of maximum Timeout (in miliseconds) check
the phone line status. Possible values State are:
| Value |
Description |
| 0 |
Port is not open. |
| 1 |
Port is open - nothing is happening. |
| 2 |
The ring is on the phone line. |
| 3 |
Line is busy. |
| 4 |
Undefined error. |
| 10 |
Dial-tone not detected. |
| 11 |
Called party is busy. |
| 12 |
Incoming call is processed. |
| 101 |
VoiceChange is going to shutdown. |
Object VXVoice can (during the method GetLineState) process the garbage collecting.
If the method GetLineState is not called often enough (according to
UMSTaskCfg setup), the management proces of this line will be restarted.
