Hi there! Sorry for the delayed response. Support is available from 6:00 a.m. to 10:00 p.m. CST. We are sorry to hear that you are experiencing this. We definitely want to help. Do you have the Google Hangout apps on your phone? If that's the case we would like for you to please disable it for a moment and then make a test.
We understand. We asked about hangouts because an issue like the one you are experiencing with the default messaging app has been seen caused by this app before. Please send us a private message so we can look for additional information on your account and assist you. To send a Private Message, click my username or picture, then click "send this user a private message".