Integration of IP-telephony for communication of office-production automatic telephone exchanges with public telephone networks
The work is devoted to the analysis of the connection of office-production automatic telephone exchanges of the Federal Penitentiary Service to public telephony networks. Security issues are studied when accessing IP-telephony to local, intrazonal, intercity and international communications. The problem of optimizing the structure of the telephone network of the territorial body of the Federal Penitentiary Service of Russia is being solved in order to minimize the financial costs of telephone services.