Here’s Callouts for the Call of Duty: Modern Warfare 3 multiplayer maps. Knowing what each place is called can really help teamwork between your friends/team-mates, especially in Game Battles (GB) and MLG games. Click on the maps to enlarge.
These are just some ideas/guides of what you can different spots on the map, please do add, replace or miss out ones you want. But using callouts will definitely help your team work together.