| DataTransferListener | Listener comprises of callbacks related to DataTransfer. |
| FileTransferListener | Listener comprises of callbacks related to file transfer operation. |
| LifeCycleListener | Listener comprises of callbacks related to the life cycle of the connection. |
| MediaListener | Listener comprises of callbacks related to audio / video manipulation during the call. |
| MessagesListener | Listener comprises of callbacks upon receiving various messages from remote peers. |
| OsListener | Listener comprises of callbacks related to the Android OS. |
| RecordingListener | Listener comprises of callbacks for recording actions from Skylink Media Relay |
| RemotePeerListener | Listener comprises of callbacks related to the remote peers' activities. |