call letters

12 LETTERS · STARTS WITH C

call letters is a valid 12-letter word worth 13 points in Scrabble and 17 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

C3A1L1L1L1E1T1T1E1R1S1

3 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =13 PTS

DOUBLE WORD → 26TRIPLE WORD → 39

MEANING

What does call letters mean?