Use the Media Port Range window to configure a range of UDP ports to use for RTP/RTCP media for a specific SIP trunk group.
To View and Edit the Media Port Range
On the SBC main screen, go to All > Address Context > Zone > SIP Trunk Group > Media > Media Port Range or
Configuration > System Provisioning > Category: SIP Carrier Peering > SIP Trunk Group > Media > Media Port Range or
Configuration > System Provisioning > Category: Trunk Provisioning > Trunk Group > SIP Trunk Group > SIP Trunk Advanced > SIP Trunk - Media - Advanced > Media > Media Port Range
The Media Port Range window opens. Use the drop-down lists to select the specific Address Context, Zone and SIP Trunk Group you want to configure. The currently configured values for the specified trunk group appear.
Figure 1: SIP Trunk Group - Media Port Range
Use the following table to change the values as needed and then click Save.
Table 1: SIP Trunk Group - Media Port Range Parameters
| Parameter | Description |
|---|---|
| Base UDP Port | Specifies the start of the range of UDP ports to use for RTP/RTCP media for this trunk group. This value must be within the system-level media port range. Values between 1024-65534 are allowed and the default value is none. If the value is set to none, the value is inherited from the system-level Media Port Range. |
| Max UDP Port | Specifies the end of the range of UDP ports to use for RTP/RTCP media for this trunk group. This value must be greater than the value of Base UDP Port |
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