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To enable the IMG 2020 to function over an IP network the network interfaces on the rear of the IMG 2020 must be configured to pass data. There are two steps involved in configuring the network interfaces. The first step is to configure one or more IP addresses to pass data through a specific interface. Second would be to specify whether the IP address would be used for RTP data or Services data such as SIP signaling, DNS Services, RADIUS, and SNMP. Below is a screen captures of the rear panel of the IMG 2020 and its respective IP Interfaces. Once the interfaces on the rear panel are configured, they can be used to pass the specific type of data it is configured for. The information below describes the steps needed to configure the network interfaces for either RTP or Services.
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IMG 2020 Rear Panel DATA A0 Location
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Interfaces CTRL 0/1, Data A0/1, and Data B0/1 all can be configured to pass either RTP data, IP Services data, or both. It is up to the administrator to decide which interface will be used for each function. |
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Right click the IMG 2020 physical node object and select New Network. The IP Network object that gets created is a container or parent object. The Denial Of Service functionality (IP Firewall) is by default set to Enabled. Modifying this will leave the IMG 2020 susceptible to IP based attacks through the CPU based Services. Refer to the IP Network Interface topic for more information on this object.
Right click on the IP Network object created and select New Logical Interfaces. The Logical Interfaces object is a parent or container object and no configuration is needed here. Refer to the Logical Interfaces topic for more information on this topic.
Right click on the Logical Interfaces object and select New Logical Interface. Since the SIP signaling will be streamed through the CTRL interface, select Control from the drop down menu of the Interface field. Refer to the Logical Interface topic for more information on this object.
Right click on the Logical Interface object and select New IP Address. Configure the interface for the SIP signaling service by selecting Services from the drop down menu of the Source Endpoint field.
Enter an IP address into the IP address field. This will be the IP address that will be used for SIP signaling.
Enter the Default Gateway address that the IMG 2020 communicates with when sending and receiving SIP signaling. Refer to the IP Address topic for more information on configuring the other fields in this object. Below is screen capture displaying the IP address object configured.
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Right click on the Logical Interfaces object and select New Logical Interface. The Media will be streamed through the Data A interface located on the rear of the IMG 2020. Select Data A from the drop down menu of the Interface field. Refer to the Logical Interface topic for more information on this object.
Right click on the Logical Interface object and select New IP Address. Since this interface will be used to stream RTP data, select Media 0 from the drop down menu of the Source Endpoint field.
In the IP Address field, enter the IP Address field that will be used for RTP data.
Enter the IP Address of the Default Gateway the IMG 2020 communicates through when sending and receiving RTP data. Refer to the IP Address topic for more information on configuring the remaining fields in this object. Below is screen capture displaying the IP address object configured.
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Right click on the Profiles object and select New IP Profiles. The IP Profiles object is a container or parent object and no configuration is needed here. Refer to the IP Profiles topic for more information on this object.
Right click on the Profiles object created and select New IP Profile. In the Name field, either enter a name that identifies this IP Profile or accept the default name. Refer to the Profile topic for more information on configuring the fields in this object.
Right click on the IP Profile object and select New Vocoder Profile. Select the vocoders that will be offered from the drop down menu. Refer to the Vocoder Profile topic for more information on configuring the individual fields. Create as many Vocoder Profiles as needed.
Click on the Profiles object again. At this point there will be a yellow exclamation point indicating the configuration has not been sent to the IMG 2020. Click on the Download Profiles button in the object pane and the profiles will be sent to the IMG 2020.
Right click on the IMG 2020 physical node object and select New Facility. The facilities object is a container object and no configuration is needed here. Refer to the Facility topic for more information on this object.
Right click on the Facility object created and select New Packet Facilities. The Packet Facilities object is a container object and no configuration is needed here. Refer to the Packet Facilities topic for more information on this object.
Right click on the Packet Facilities object and select New Packet Facility. The Packet Facility object configures the IP Facilities/resources. Enter a Name that identifies this Packet Facility.
The Media Endpoint field is automatically defaulted to Media 0 and the RTP data will be passed to the IP address configured below.
In the Network field, select the IP address that will be used to pass the RTP Media.
In the Packet Facility Channel Type field, select Packet Audio since this procedure is for audio and not video. Refer to the Packet Facility topic for more information on configuring this object. Refer to screen capture below.
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