Hi Eric,
what I thought as I read your 2nd mail. What you heard as "Adiu", was
obviously the number 1 ("Adim" or "Odim" in Russian), what you heard as
"Good night" could be "Devet", which is the Russian number 9. The call was
"901 901 6 6", so this is possible.
Best 73&55
Jochen NumbersKopf, ENIGMA2000