| Value | Name | Description |
|---|---|---|
| 0x01 | TRANSPORTS_REQUEST | Sender is requesting the available transports |
| 0x02 | TRANSPORTS_RESPONSE | Frame contains a list of transports |
| 0x03 | TRANSPORT_CONFIGURE | Frame contains transport configuration information |
| 0x04 | TRANSPORT_CONF_ACK | Configuration change acknowledgement (ok) |
| 0x05 | TRANSPORT_CONF_ERR | Configuration change error |