Thank you
As I say, someone else told me about it who, modestly, doesn't wish to be named.
From the Teleflip FAQ:
Originally Posted by woody125
I've loved using this the last year or so. Again, great suggestion
cblaisd!
Earlier today, I tried to send a message to a friend here in Russia using it and got an interesting response:
The following recipients do not appear to be valid North American phone numbers. Please check the number and try again - if you believe that the number is valid, please contact us at
http://www.teleflip.com/teleflip/contactpage.jsp.
7913xxxxxxx
I never bothered to ask if it applied worldwide or just to U.S. providers. Good to know that it works only (and very well) in North America apparently.