The bot can react to voice commands, I'll list the available commands below and how the bot reacts
Bots also have a chance to hunt down enemies that they heard use voice commands, can be changed using bot_hunt_percent {0-100}

Squad, move out!
The nearest bot that is guarding or trying to capture a flag will move on
The nearest bot will forget it's commander order

Hold this position
The nearest bot will find somewhere nearby to guard

Use your grenades!
The nearest bot will think about throwing a grenade sooner

Cease fire!
The nearest bot will stop shooting for 2 seconds

I need backup!
The nearest bot will come to your position, and if you're near a flag will try capture it

Fire in the hole!
The nearest bot will stop moving for 3 seconds to allow your grenade to explode before moving on

Go go go!
The nearest bot will stop guarding and try find a nearby flag to capture

Displace! (Same as move Squad, move out!)
The nearest bot that is guarding or trying to capture a flag will move on
The nearest bot will forget it's commander order

Bring up that 30cal/bren/mg42
The nearest bot with an MG will head to a nearby guard waypoint

I need ammo!
The nearest bot will throw an ammo box on the floor

Use the bazooka/piat/panzerschreck!
The nearest bot with a rocket launcher will come to your position and try destroy breakables