70 | | 1. Make sure that voip is included in the required background modes (UIBackgroundModes) in the application’s Info.plist file. |
71 | | 2. Make sure that the TCP socket is successfully wrapped with CFReadStreamRef (check if there is a message: "Failed to configure TCP transport for VoIP usage"). |
72 | | 3. Check whether you can accept the incoming call by bringing the app to the foreground. If yes, make sure that the incoming call request comes from the wrapped TCP socket (check the log for the INVITE request). |
| 70 | 1. Background feature only works with TCP. |
| 71 | 2. Make sure that voip is included in the required background modes (UIBackgroundModes) in the application’s Info.plist file. |
| 72 | 3. Make sure that the TCP socket is successfully wrapped with CFReadStreamRef (check if there is a message: "Failed to configure TCP transport for VoIP usage"). |
| 73 | 4. Check whether you can accept the incoming call by bringing the app to the foreground. If yes, make sure that the incoming call request comes from the wrapped TCP socket (check the log for the INVITE request). |