In Call of Duty: WWII, there are calling cards which can be unlocked as standard for all players, from promotions, through supply drops or by completing challenges.
List of Calling Cards in Call of Duty: WWIIEdit
Standard Issue Edit
Operation: Overlord Edit
Codebreaker Calling Card - Break the code.
Saboteur Calling Card - Activate the Spotify codes in the Private Beta.
KontrolFreek Infantry Division - Purchase the Call of Duty: WWII
FPS Freek joysticks.