VOIP to the telephone companies will be like MP3's to the record companies, its a matter time.
Even before the announcement of 'no line rental fee' deal coming up from Engin, they still lead with 44% of the market.
Add to that the technology has now proved itself and Engin is clearly the way to go compared to competition.
I reckon SP under 20's should be a thing of the past and July will see lots of good news.