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This allows receiving the status of sensors, events from detectors, PTZ and relays control, access the built-in embedded archive of the IP device (make sure to set the correct device time zone in the the Axxon One), etc. within the SIP session. Single-channel and multi-channel devices in single-stream mode and working with the UDP and TCP transport protocols is also supported.

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1. Set the Server IP to equal the Server's IP address.
2. Set the Server port (5060 by default).
3. Set the Device ID. The ID should must be set on all cameras connected via the GB/T28181 protocol and must be unique.   The format of the connection code (device ID and server ID) is a 20-digit number:
   
   1. the first 10 digits specify the address (according to the GB/T-2260-2007 standard);
      
   2. the next 10 digits indicate device information.
      If the IP device is located behind NAT, then forward and explicitly specify the external address of the Server, the port/port range for receiving video, and the SIP port of Axxon One Server. Example: 34020000001110000001/50557-51557@10.3.3.11/85.172.174.36​
      
4. For the device to perform autodiscovery of the Server more quickly, reduce the default value of RefreshRegTime. The name of this setting may can vary on some cameras.

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1. Run the IP discovery wizard (see Searching, adding, configuring and removing IP devices).
2. In the form for manually adding an IP device, in the Vendor list, select GBT28181 (1).
   
   

3. In the IP address field specify the value of Device ID parameter set during IP device configuration (2). The following additional parameters can be specified optionally as follows:
   [gbt://]deviceID[/videoPort]@serverID[-serverLocalIP[/serverExternalIP]]
   OR
   [gbt://]deviceID[/videoPortFirst-videoPortLast]@serverID[-serverLocalIP[/serverExternalIP]]
   where:

   • deviceID is the Device ID parameter;

   • serverID is the identifier of the Axxon One Server generated according to the same rules as the IP device ID (see above);

   • videoPort is the port for receiving video;

   • videoPortFirst − videoPortLast videoPortFirst−videoPortLast is range of ports for receiving video;

   • serverLocalIP is the local IP address of the Axxon One Server, which sets the network interface on which the Server should must be available;

   • serverExternalIP is the global IP address of the Axxon One Server; this parameter is in use when the Axxon One Server is behind the gateway. In this case, this IP address is specified as the SIP Server IP address in the IP device settings.

     Info
     title Examples.
     34020000001320000008@34020000002000000001 34020000001320000008@34020000002000000001-10.0.40.246/113.125.160.58 34020000001320000008@34020000002000000001-10.0.40.246 34020000001320000008@34020000002000000001-/113.125.160.58 34020000001320000008/50200@34020000002000000001 34020000001320000008/50200-50210@34020000002000000001-10.0.40.246

4. In the Port field, enter the local port number that the Axxon One Server shall listen uses for receiving messages from the IP device (3). Usually this is the The default SIP port : is 5060.
   

   Info
   title Note.
   The IP device SIP port is detected automatically.

5. The Username and the Password fields are not used (4).
6. Click the  button.

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