QualityType
Network quality types.
Enumerator
- QualityUnknown
 - 0: The network quality is unknown.
 - QualityExcellent
 - 1: The network quality is excellent.
 - QualityGood
 - 2: The network quality is quite good, but the bitrate may be slightly lower than excellent.
 - QualityPoor
 - 3: Users can feel the communication is slightly impaired.
 - QualityBad
 - 4: Users cannot communicate smoothly.
 - QualityVbad
 - 5: The quality is so bad that users can barely communicate.
 - QualityDown
 - 6: The network is down and users cannot communicate at all.
 - QualityDetecting
 - 8: The last-mile network probe test is in progress.