Method, push system, and relevant devices for setting up push session

摘要

A method, a push system, and relevant devices for setting up a push session are provided. The method for setting up a push session includes: obtaining device identity information of a client; adding the device identity information of the client to a Session Initiation Request (SIR) message; and sending the SIR message to the client according to the device identity information of the client, and requesting the client to set up a push session connection based on a Session Initiation Protocol (SIP) with a server according to the SIR message. The push system includes a server and a client. The server includes an information obtaining unit, a message adding unit, and a request sending unit. The client includes a request receiving unit and a judging and connecting unit. Hence, the setting up of push sessions based on the SIP is implemented.