Cannot disable vibrate on incoming text messages

[cbit]

Android 4.1.1 with AT&T Messages installed. I've tried disabling vibrate in 1) AT&T Messages and 2) Android Messages. Can't find anything useful Android Settings 1) Sound or 2) Keyboard. Thanks!

 

[cbit]

I'm sorry, but forgot to say I disabled Vibration Feedback for calls in Settings | Sound.

 

[cbit]

AT&T fixed it, finally!

 

[Saukrateaz]

For those who may want this in the future, would you mind posting the fix AT&T gave you?

Thanks,