T-mobile send text message back to clients after they call in their customer service department.
SMS ask for feedback on customer relations/service inquiry.
T-Mobile: Thanks for calling us on Apr 25. Please tell us about your experience. To opt out, reply STOP. Survey info will be stored - t-mo.co/privacy
1/4: How satisfied are you with the assistance you received from our team member(s)?
Please reply on a 0-10 scale where
0 = Not at all satisfied
10 = Extremely satisfied