Q. [DVR] The channel connection of the DVR is disconnected oftenly.

Checklist: Please check if there is a connection from another phone using Admin ID.

In case of DVR, only one Admin account can be connected at the same time.
In case of connections simultaneously, the person who connects last is connected, and the existing connection is disconnected.
Admin Duplicate access is not allowed, so please create a User account for equipment that requires multiple simultaneous connections