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Each Trunk Group can have a Use the Media Port Range configured that indicates window to configure a range of values to use when allocating UDP ports. To provision a UDP media port range slightly larger than the actual count of ports ostensibly required to support the maximum simultaneous calls (not applicable to TCP media). The system reserves two UDP ports for each incoming UDP media call leg: one for (S)RTP and one for (S)RTCP. Thus, a configured port range must contain at least twice as many port numbers as the maximum simultaneous calls to be supported for that IPTG (not applicable to TCP media).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 .Select the desired window opens. Use the drop-down lists to select the specific Address Context, Zone and SIP Trunk Group from the drop-down list to view its respective Media Port Range parameters you want to configure. The currently configured values for the specified trunk group appear.
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The following fields are displayed:Use the following table to change the values as needed and then click Save.
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