Command ids (the header's cmdId) this package sends or reads.
LOGIN: number
Nonce request and login, both on the host channel.
SUBSCRIBE: number
Subscribe to alarm pushes.
ALARM_EVENT: number
An alarm push: motion, doorbell, tamper or AI state.
PING: number
Ping, answered by the camera; keeps an idle connection open.
PTZ_CONTROL: number
Move, zoom or stop a PTZ camera.
PTZ_PRESET: number
Move a PTZ camera to a saved preset.
SNAPSHOT: number
Take a JPEG snapshot, streamed back as payload.
PTZ_PRESETS: number
List the saved PTZ presets.
PTZ_POSITION: number
Read the current PTZ pan and tilt position.
SIREN: number
Play or stop the siren.
PRIVACY_MODE: number
Read the privacy mode (sleep) state.
SET_PRIVACY_MODE: number
Turn the privacy mode (sleep) on or off.