What is the HTTP Snapshot URL for Sunba IP cameras?

For Lシリーズ（405/601） camera: The http command to take a snapshot of the camera is as follows:

http://{IP}/webcapture.jpg?command=snap&channel=1&user={username}&password={password}
For example, for an IP camera with IP 192.168.1.24 with username admin and no password, the url would be:
http://192.168.1.24/webcapture.jpg?command=snap&channel=1&user=admin&password=

For Pシリーズ camera: The http command to take a snapshot of the camera is as follows:

http://{IP}:{http_port}/images/snapshot.jpg
For example: 
http://192.168.1.92:8585/images/snapshot.jpg
The first screenshot requires user login authorization.

For Sシリーズ camera: The http command to take a snapshot of the camera is as follows:
http://10.16.112.226/ISAPI/Custom/snapshot?authInfo=admin:abcd1234