For some advocates of the no case for this year's referendum, the proposed Voice to parliament simply doesn't go far enough.

Instead, advocates — often referred to as progressive 'no' voters — argue that Indigenous Australians should be given more institutional power to effect change, like dedicated First Nations seats in parliament.

So what does this look like? And what alternatives to the Voice does the progressive no camp propose if their vote carries?

Find more of the ABC's reporting on the Voice referendum on the ABC News website, or listen to the Voice Referendum Explained podcast with Carly Williams and Fran Kelly.