All the betamax VoIP company’s strategy is to first attract customers by offering very cheap call rates (for a specific or a list of targeted countries) and later when lot of customers buy credit then they start to increase their call rate. It can be applicable from voipwise.com to intervoip.com to smsdiscount.com to freecall.com and so on……. You see, few days ago freecall.com started to offer 0.5 euro cent call to both mobiles and landlines in Bangladesh but just after one week they increased the charge to 1.0 euro cent (for mobile), then within another week it has come to 1.5 euro cent (but still landline charge is 0.5 euro cent). Actually there is no other VoIP provider who can offer more cheaply as well as a fixed call rate to
So, my suggestion is that don’t rely on a single VoIP company. Suppose, at this moment if you need frequent call to
For landline: it is currently free at lowratevoip.com
For mobile: both freecall.com and poivy.com has 1.5 euro cent