Home security talk back device and method and system for networking thereof

• Main Authors: DENG YANBING, MEI SHAOMING, MENG QU, SUN PENG
• Format: Patent
• Language: Chinese; English
• Published: 29.08.2017
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; SELECTING; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

The present invention relates to a home security talk back device and a method and a system for networking thereof. The method comprises: S10. a talk back device detects whether a first WAN port is in a connection state or not in real time, if the first WAN port is in the connection state, a step S20 is executed, or else, a step S30 is executed, wherein the talk back device comprises a first WAN port and a WAN port, the first WAN port accesses a LAN port of a home network router, and a second WAN accesses the LAN port of a community network router; S20: the strategy route of the first WAN port is employed to access an external network; and S30: a default route of the second WAN port accesses an outer network. According to the technical scheme of the invention, the home security talk back device and the method and the system for networking thereof can simply and effectively use a talk back device to access the outer network and are low in technology reconstruction cost. 本发明涉及了种家庭安防对讲设备及其上网方法、系统，该家庭安防对讲设备的上网方法包