I recently moved from 3 to Smarty and have just discovered this "fault" with their network. I could not authorise a bank transfer for a car purchase this morning. Has caused me no end of problems!SORT YOURSELVES OUT SMARTY.
Having recently moved from 3 Mobile to Smarty, I am now finding that i can't reply to short code text messages. This morning, I had to reply "Y" to my bank to authorise a payment - I found out that Smarty does not allow this. What a complete waste ...