«Software for communication over the Internet for devices 
              running on the operation system Android «Depesha-A».
          
          
              Included to the Register of computer programs, which is 
              confirmed by 
              
                the certificate of computer program registration No. 1406
              , 
              issued by the National Center of Intellectual Property of the Republic of Belarus .
          
          User`s end devices must meet the following characteristics:
          
              - 
                  Android operation system version 7 and higher;
              
 
              - 
                  Amounts of the device's RAM is at least 2 GB;
              
 
              - 
                  ARM64 processor with support of the application binary interface (ABI) armeabi-v7;
              
 
              - 
                  Availability of Internet network access (3G, 4G, wifi) with a dedicated iPv4 address.
              
 
          
          
              Depesha-A’s functionality:
          
          
              - 
                  adding other users to your contact list;
              
 
              - 
                  removing other users from the contact list;
              
 
              - 
                  search by contacts;
              
 
              - 
                  making voice calls;
              
 
              -  
                  exchange of instant text and voice messages, media messages and files in personal and group chats;
              
 
              - 
                  exchange of instant text and voice messages, media messages and files to channels;
              
 
              - 
                  displaying delivery statuses and viewing messages;
              
 
              - 
                  displaying information about the use of the client application by another user;
              
 
              - 
                  restricting access to the application interface using a PIN-code, or, if this feature is available on the mobile device, biometric systems;
              
 
              - 
                  blocking a screenshot (recording a video of the screen) by the interlocutor;
              
 
              - 
                  notification about the use of the speakerphone by the interlocutor;
              
 
              - 
                  a timer for storing messages on the user's device;
              
 
              - 
                  global search messages in chats;
              
 
              - 
                  guaranteed deletion of messages (including on the recipient's device);