There is the advisory commentary for the domination battles, but nothing for the base capture battles.
Due to tunnel vision and/or sensory overload, sometimes the team loses (or wins) without the players even being aware that there are ships on the cap circle. Frustration levels hit the roof when team mates don't realize the drama unfolding back at our cap. Maybe a cap siren could be implemented, thus alerting all team members that bad stuff is happening and urgent action must be taken.
It would need a sound that impresses upon team members the critical situation that is occurring. Something like...