The majority of side quests in The Outer Worlds are simple. Speak with an NPC, follow the objectives, done. Make sure when you are attempting a specific quest, that it is selected in your journal. You can only track one quest at a time, so you want to ensure you’re chasing the correct markers.
Silent Voices Quest Guide
After you have completed Happiness is a Warm Spaceship then you could come to meet Edna Ingmire on the Groundbreaker who will give you this quest. Then you will have to go to Relay GB-23 using your ship and beat the robots present there.
You calso have the option to hack (45) using the terminal then you will not have to fight he robots. Look out for mines as well.
You can activate the relay using the keycard you found from a corpse on the terminal. When you go back to Edna you will get 18,500 XP, 1,500 Bit Cartridges and better reputation with Groundbreaker.