Hello Tonyw,
yes, it is me who tried to visit Janna. As you say, I had found her picture very tempting and also the fact she advertised as a mature escort had decided me to go. I made a phone call at her number and received instructions to go to a Hotel in Ballsbridge. When I arrived, called again and was directed to a room. There, I was welcomed by an entirely different girl. I inquired about Janna, but she said she was the only one to work there.
So, I am in doubt whether Janna really exists. Apparently, her phone number is managed by a receptionist who sends customer to the first free girl. Maybe she exists and you are lucky to be routed to her, maybe she doesn't and that's all a scam. For sure, I will not give them a second chance to fool me around.
By the way, when I phoned to book, her prices were "normal" and there was even a mistake in that one hour was marked at 50 Euros (a dream!!!). When I called the first time, the person on the phone (the receptionist) said that that was a mistake and the price for one hour was 300. Since then they have increased at 200/400, a true rip-off for someone who does not even exist.
Avoid! Best of luck,
Lino