Hi mate I had megga problems with them,I had to involve trading standards I bought one of thier callers it was crackling and was poor quality ,I phoned them as soon as it arrived and because of the quality I did not want a replacement ant they tried to say that i only ordered it to copy the calls ,Iwould add that the calls are all on the net and if Iwanted a coppy Iwould have just downloaded them if you do a search using google for decoying .co.uk you may find the thread,I think it was about 2008.I have heard of others who have had problems too one of the guys was on here as deako I think,he h