Thai to uk calls are much cheaper from what i know.
Dont send any money unless YOU want to, after all its your money.
If you had just met a lady in the UK, and she asked for money in most situations you would say no and think hang on.
The scams can be very slick so be careful, i know our phill members will not be offended as they know the poverty in Phill can turn some peoples heads to bad deeds.
Take some time talking (weeks/months) to her if she did need a phone find out what the cheapest one is possible as Peterb says like i the UK a very cheap one can be found. If she simply is desperate to have a phone she will not care and be grateful.
Same in the UK or Phill many a time someone i know brit or phill has been desperate for a phone or some item and if you offer them one even if not ideal they will be grateful.
The Wife and I look for cheap phones in the UK in exchange shops (the ones with marks and whatnot) off of friends from my company etc.Those in phill who have better things to spend money on than a phone. Children, food, water, electricty etc are grateful and make the best of them. A cover or a clever paint job even and it looks as good as new.