Last Friday, a delegation of representatives of the Republic of Chuvashia visited the Republic of Tatarstan to exchange experience in the field of creation and development of the 112 common number of emergency services call system. The guests watched a presentation of the GLONASS+112 common state informational system in the 112-system’s calls processing center of the city of Kazan. There were discussed features of 112 system functioning in Tatarstan and Chuvashia.