I recently started to use the tru mobile i90 calls pack (90 baht plus tax for 200 mins calls only) this is a prepay service.
So less than 0.5 baht per minute if you use all your minutes in one month which I did and will continue to do.
One downside is you can't get a full detailed breakdown of your usage but you can check your remaining balance only.
Anyone know of any better deals?
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