| 摘要 |
A system comprising a first terminal and a second terminal, wherein the first terminal is configured to initiate a communication session with the second terminal by sending a first session request to a server for initiating a communication channel with the second terminal, receiving a first session response from the server, said first response including an identifier for a session channel and data relevant to the second terminal, sending a second session request to the second terminal including an identifier for the first terminal, receiving a third session response from the second terminal, and establishing a connection over the session channel, wherein the second terminal is configured for: receiving the second session request from the first terminal, sending a third session request to the server for initiating a communication channel with said first terminal, receiving a second session response from the server, said second response including the identifier for the session channel and data relevant to the first terminal, sending said third session response to the first terminal, and establish a connection over the session channel, whereby a communication channel is established between the first and the second terminal over the session channel. |
