Cognitive-behavioral therapy is an action-oriented form of psychosocial therapy that assumes that maladaptive, or faulty, thinking patterns cause maladaptive behavior and negative emotions. (Maladaptive behavior is behavior that is counter-productive or interferes with everyday living.)
The quickest way to check your usage is by receiving a free text message about your balance, data, minutes, and text messages. T-Mobile automatically sends you an alert by text message when you've reached 80% of your minutes, texts, or data usage. Another alert is sent when you've reached 100%. Go to: 1  Check your minutes.
For more carrier information, please see CNET's Quick Guide. The second-largest GSM carrier, T-Mobile, grew out of the former VoiceStream Wireless in 2001 when VoiceStream was acquired by Germany's Deutsche Telekom.T-Mobile operates one of the smaller U.S. networks of the big four carriers, but it has roaming agreements with AT&T and other smaller operators.hings you should know: 1  This carrier offers an unlimited calling plan. 2  T-Mobile's myFaves feature gives you unlimited calling minutes to any five numbers on any network, even landlines.