Ok, onvif device manager does not detect it so no onvif support 
Also as for SIP, I don't see any SIP setting in the config tool.
There is a mobile app which you get notification if someone press the intercom button. Also from the config it looks like it can send snapshot and audio to a FTP server.

Also as for SIP, I don't see any SIP setting in the config tool.
There is a mobile app which you get notification if someone press the intercom button. Also from the config it looks like it can send snapshot and audio to a FTP server.