I have searched and cannot find an answer to this. I have updated all the involved apps and have been asked to merge voice into hangouts, so I think I have everything good to go in that regard. However, when I create a new message, it defaults to my google voice number and I cannot change it to default to my carrier number. The only way I can get it to default to my carrier number is to change the setting from smart reply. Also, my google voice number is not showing up in the list of options to communicate with people in existing hangout messages (the options drop down to the left of the textbox where you type the conversation). Am I missing something, or an easy setting?