# wx.onVoIPChatStateChanged(function callback)
Start from base library version 2.16.0. Please remaining backward compatible.
with Promise style call: Not supported
Mini Program plugin: Not supported
Monitor room state change events.
# parameter
# function callback
Callback function for room state change events
# parameter
# Object res
| attribute | type | Introductions |
|---|---|---|
| code | Number | Event code |
| data | object | Additional information |
| errCode | Number | Error code |
| errMsg | String | Call result |