MTN totally uncooperative with Overseas traveller

We are travelling in Spain and used my wife's phone as a GPS - data usage pushed her account over her self imposed credit limit. MTN cut her phone off summarily. We have sent 16 e-mails to MTN customer care and the credit department and despite inferring they will attend to the mail in 8 hrs (Auto response) no one has had the courtesy to contact us or reply to our emails. We asked our lawyer in South Africa to contact MTN and they have been faced with the same non response from MTN. <br> There is no number listed on the MTN site for overseas travellers to call MTN. <br> We have sent several SMS's and many e-mails but they simply ignore our request despite instructing them to simply increase the limit and debit the stop order. But MTN just ignores us despite threatening to cancel out contract after 15 years supporting MTN - Absolutely disgusting as my wife has parents in SA who are over 85 and need to be able to contact us in an emergency. No amount of pleading over three weeks has helped.<br> Even our lawyer in South Africa also does not know how to proceed against a brick wall of incompetence!!!