I'm a Google voice user for 12+ years, it has always been my primary number, recently I started getting "not sent" error messages here and there, Today it looks like I can no longer send any texts at all, issue is the same in browser, app or sending by email. I also have no issue receiving text messages.
Any insights? I have not received any email from them and calls work just fine.
My behavior hasn't changed and I don't think I'm abusing it, save for the fact that I have a lot of Canadian contacts