PeteC and Arie, Thanks very much for the advice and pardon me for not following the rules, I'm new here and the next time around will pay...
For a while I was using Skype, they had a ring tone that occured every once in a while, maybe every 10 minutes, to advertise a service of theirs....
Thanks to all who contributed here. I have had the same problem for a month now - very frustrating - and have solved it with your help.
Separate names with a comma.
