Parameter structure of linked network device of main station.
struct{ NET_DVR_IPADDR struSIPServer; BYTE byRes[880]; }NET_DVR_MANAGE_UNIT_RELATEDEV,*LPNET_DVR_MANAGE_UNIT_RELATEDEV;
IP address of SIP server, refer to the structure NET_DVR_IPADDR_UNION for details.
Reserved, set to 0.