hey do u guys know of those idd cards rite where u dial a no. to call overseas ... will they incur charges like say to your mobile line or residential line if were to use it to call say to malaysia or m'sia to sg? not talking about the mobile prepaid card ah like hi card and the starhub one...
those 2 need to have at least $8 worth of value before being able touse for overseas calls rite?
i'm finding a idd card that doesn't incur charges to the line but just deducts the value from the idd card...
singtel world card is one idd card rite?