Switching method and switching system based on SIP protocol Web content

The present invention discloses a switching method and switching system based on SIP protocol Web content, belongs to the field of network communication technology. Web content switching system based on SIP protocol, includes a Web server, a user equipment, SIP proxy server. After the handover method Web content SIP protocol switch based system, the user equipment are, the SIP proxy server issues a handover service request to initiate a session service a user equipment to the SIP proxy server registration ID, the already registered user device ID is sent to initiate a session service user equipment, processing SIP proxy server initiates a session service a user equipment generates a SIP protocol service handover information obtain command, a user receiving a session service access Web server device selection according to the type of the device itself. The present invention is not to achieve a seamless handover Web session service supports handover between different types of devices.