Google began testing "Click to Call" (i.e. pay per call) features back in November 2005. It appears from a DigitalPoint Forums thread that they have launched this solution in India.
Google has launched their much talked about pay per call service in India.I clicked an ad and got a call from the advertister in 10 seconds.
With their VOIP deals this can work virtually everywhere. It is nice to see these features stick and expand.
Forum discussion at DigitalPoint Forums.