F603 V6.0 is a EPON Optical Network Terminal designed for FTTH scenario, which provide an Ethernet port that can be directly connected to the Ethernet port of the F603 V6.0 to connect the Internet service. It also provide VoIP interface (Phone interface). The interface can be connected to the phone, supporting software exchange SIP, IMS SIP or H.248 voice control protocol. The WLAN function can released the wireless Internet access that Implement file sharing, fast backup, data recovery and other