12 123 when will the SMS center start running?

12 123 all-weather service. 0: 00 to 24: 00 on 12 123 actually refers to 24 hours a day, that is, from midnight on 12 to midnight on the next day 12.

12 123 is universal in China, and 12 123 can also deal with inter-provincial violations, because the current traffic violation system is networked nationwide, and the data of 12 123 platform is a synchronous traffic safety integrated service management platform, so/.