Just trying to offer suggestions. If you have an answer for the OP by all means speak up.
It was already answered in the post above yours. But there is a 'work-around' that he can try.
OP you can send 'txts' through email to phones all major carriers. So if the app you are using supports email in addition to txt you can send it to people as a txt with your email client. To try it have GV forward txts to your emails. You'll see that the email you receive has a return address that will look pretty weird (it should show the persons phone number followed by their carriers required address). To make thinks easier as people send you txts from now on just send their email-txt address to their contact. This is the method I use almost exclusively for txts (i.e. they are all handled via my email client and not the GV app).
(how's that cabotcat?):icon_ devil: