This is a quick tip sheet for it you don't have a headset so you can communicate with other players. This includes basic phrases.

Player open this door = knife the player then knife the door

Let me have a go at the box = prone, get up (by the box) shoot it once and move side to side

I am down I can defend you = shoot once, leave for 3 seconds shoot twice

Sorry = walk in to a wall and prone

This way = knife player, prone and walk to where you want

Let's teleport = shoot twice and all get into the teleporter

I'll get that drop = run around it then go forwards and back