This is the easiest option to set up, and will send photos to our cloud servers, temporarily, before being deleted from our server on arrival at this server.
If you are asked for a 4-digit pairing code in your app, you would usually push the large 'AJ' app pairing button.
Usage charges apply after an initial 500MB of free bandwidth (note: this is the total bandwidth allowed under the free program, not a monthly figure), but the charges are very reasonable.