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Intellect supports connecting devices via the Chinese standard GB/T28181. This standard is based on SIP protocolover UDP (and over TCP since GB/T28181-2016). The GB/T28181 uses the following protocols over SIP:
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- video transmission (including archival) in MPEG-4, H.264 and SVAC formats (GB / T25724-2010); H264, H265, or MJPEG format.
- audio transmission (including archival) in the formats G.711711a, G.723.1 and G.729711u, or G.726 format in PS (Program Stream) only. Archive audio is not supported.
For the most up-to-date information on this standard and the features supported in Intellect, see the Documentation Drivers Pack.
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| title | Important! |
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Configuring an IP-device to operate via GB/T28181 standard
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| Info | ||
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| For telemetry to work correctly, set RefreshRegTime to more than 600. |
See also Examples of IP device settings for connection via GB/T28181 standard.
Configuring IP-device connection via GB/T28181
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No more than one SIP server can be used for IP devices connection via the GB/T28181 protocol. This means that several Video Capture Device objects with GBT28181 type can be created in the Intellect hardware tree, however, the part of the address after @ must match for all of them. The server ID, local address, external address, and port must be the same for all devices. If at least one parameter is different (for example, the local IP address is not set for some device when it is set for other devices), then such a device will not start. |
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| Intellect does not support auto-discovery of devices connected via GB/T28181 and these devices are not added using the Camera discovery tool. |
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- Go to the Hardware tab of the Systemsettings dialog box (1).
- Create a Video Capture Device object under the Computer object (2). The settings panel of the object appears on the right of the System settings dialog box.
- Select the GBT28181(H.264) value in the Type dropdown list (3).
- In the IP field specify the value of Device ID parameter set during IP device configuration (4). The following additional parameters can be specified optionally as follows:
[gbt://]deviceID[/videoPort]@serverID[@localIP-serverLocalIP[/externalIPserverExternalIP]]
OR
[gbt://]deviceID[/videoPortFirst-videoPortLast]@serverID[@localIP-serverLocalIP[/externalIPserverExternalIP]]
where:
deviceID is the Device ID parameter;
serverID is the identifier of the Intellect Server generated according to the same rules as the IP device ID (see above).
videoPort is the port for receiving video;
videoPortFirst-videoPortLast is range of ports for receiving video;
localIP is serverLocalIP is the local IP address of the Intellect Server, which sets the network interface on which the Server should be available;
externalIP is serverExternalIP is the global IP address of the Intellect Server; this parameter is in use when the Intellect 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@3402000000200000000134020000001320000008@34020000002000000001-1034020000001320000008 34020000001320000008@10.0.40.246/113.125.160.58 34020000001320000008@10
34020000001320000008@34020000002000000001-10.0.40.246 34020000001320000008@
34020000001320000008@34020000002000000001-/113.125.160.58
34020000001320000008/50200 50200@34020000002000000001
34020000001320000008/50200-50210@1050210@34020000002000000001-10.0.40.246 In the Port field, enter the local port number that the Intellect Server shall listen for receiving messages from the IP device (5). Usually this is the default SIP port: 5060.
Info title Note. The IP device SIP port is detected automatically.
- In the Name field, enter the identifier of the Intellect Server (6). Server ID is generated according to the same rules as the IP device ID (see above). The Password field is The Name and the Password fields are not used.
- Click the Apply button (7).
- Create a Camera object under the VideoCaptureDevice object. The settings panel of the object appears on the right of the System settings dialog box.
- Click the Apply button.
Further functioning of the device (e.g. displaying video on the Video Surveillance Monitor, archive recording) is performed using the created Camera object – see Configuring video subsystem section of Administrator’s Administrator's Guide. The PTZ and relay management functions, access to the built-in storage, etc. are configured in the same manner as for ordinary IP devices as described in the corresponding sections herein.
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