I use this service
To be registered here

Communication by telephone.

Use From Any Country, From Any Phone.
Free Customer Care, 24 Hours A Day.
Excellent Call Quality - Better Than VoIP.
Easy To Use.

It is spoken by those who uses Call2
"The low cost of the calls, and the fact that it uses normal telephone lines, rather than VOIP "
"The inexpensive phone calls of course"
"The best thing about Call2 is simplicity itself to use"
Recording now.

I use itself and is pleased.