[WTK] New form of CPA offer

Is there any cpa offer which converts promoting phone no's for text only like pay par per call ? Like I promote a phone no mention with text only, someone texted and the no chat with them and make conversion and I will pay of this qualified text massage. Please let me know if anyone work with this type of offer also please mention the network name. Sorry for my English.

You can buy such actions at microworkers dot com