On this day, back in 1970, the fees for phone calls in public phones were changed from 10 yen regardless of duration to 10 yen for 3 minutes
You say that when I end this phone call you will be standing behind me... But there's no way that such urban legend-like things could hap—! gaspTh... There's no way...
Hard to translate: since she technically doesn't finish her sentence, her wording could be used in this context for "such things don't happen" or "such things do happen". I reckon the former expression is far more common, but this is likely playing with both options.