Providing control information is disclosed. A real-time streaming communication channel is established with a communication party using a real-time streaming protocol. It is determined that control information is to be provided to the communication party. The control information is encapsulated using the real-time streaming protocol. The encapsulated control information is marked as including control information content. Streaming content is provided to the communication party via the real-time streaming communication channel using the real-time streaming protocol. The marked encapsulated control information is provided via the real-time streaming communication channel.