the answer on the manufacturer's website
Work with cloud and remote access configuration
Remote access to cameras and recorders Hikvision HiWatch and can be implemented in the following ways.
1) If you use a white (public) static IP on the router configure port forwarding 80 554 and 8000 (it is recommended to disable uPnP)
2) If you use a gray IP, the only way to configure access - Ezviz p2p service, possible remote viewing and remote viewing of files. Entry to the cloud is not happening.
Instructions for setting up p2p service Hik-connect / EZVIZ / Guarding vision
Personal account Hik-connect
Russian server addresses:
For domofonie - litedev.ezvizru.com