| 摘要 |
<p>It is presented a server for forwarding one or more Session Initiation Protocol (SIP) messages. The server includes a processor and an instruction memory. The instruction memory stores instructions that, when executed by the processor, causes the server to: receive a WebSocket handshake request from a client device, the WebSocket handshake request includes a SIP service capability indicator for the client device; establish a WebSocket connection; store, in a data memory, service capability data for the client device, the service capability data being based on the SIP service capability indicator; receive a SIP message from the client device; add a header field to the SIP message, the content of the header field being based on the service capability data, resulting in a modified SIP message; and forward the modified SIP message to a SIP application router. Corresponding methods, computer programs and computer program products are also presented.</p> |
