Just a quick check with bros here, how frequent does your bx call back vietnam to chat with her family member. I bought her a calling card with callback services & she used up almost S$70 per week so 1 month choked up additional S$280 on top of her singtel subscription, is it too much
I have been advicing her to use free internet call online but complaint poor
reception & distortion still prefer using callback services to call vietnam via her mobile phone. I purchased telcom 1515 services, any bros have cheaper callback service provider
