Certain people in my contacts, approx 7 that I know of, receive my texts but I am unable to see their's. Doesn't seem to be phone specific as some of them have iPhones and others Android.
I'd like to recommend creating a account so me or other members can assist you, as guest have limitations in replying here and if we need further Information to communicate with you.
I'll provide a link to register, please come back to your post so we can further assist you . Thank you