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Use the PCRF window to configure parameters for a specified SIP trunk group that define how the SBC, acting as a P-CSCF, interacts with a Policy and Charging Rules Function (PCRF) server. Refer to Rx Interface and Rx Interface Support for more information on interaction with the PCRF.
On the SBC main screen, go to Configuration > System Provisioning > Category: Trunk Provisioning > Trunk Group > SIP Trunk Group > SIP Trunk Advanced > SIP Trunk - Media - Advanced > Pcrf or
All > Address Context > Zone > SIP Trunk Group > Media > Pcrf
The Pcrf window is displayed.
Use the drop-down boxes to select the specific Address Context, Zone and SIP Trunk Group you want to configure.
Advanced Media - Pcrf Window
Use the following table to change the values as needed and then click Save.
Advanced Media - PCRF parameters
Parameter | Description |
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Pcrf Realm | Specify the DIAMETER domain of the target Policy and Charging Rule Function (PCRF). The value ranges up to 128 characters. |
Pcrf Commitment | Specify the degree of commitment expected from the PCRF during call setup or call update.
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Cushion Packet Size | Enable this option to use the smallest packet size in the range supported for each codec for bandwidth estimate. Disable this option to use the packet size in the offer.
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Cushion Null SDP | Enable this option to allow an AAR when the initial call setup is an INVITE which lacks SDP (estimate G.711 10 msec as a worst case). Disable this option to wait for a reverse offer.
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Signalling Path | Enable this option to allow the SBC to subscribe to loss of signaling path events.
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Fetch Location Info | Specify whether the SBC requests location information. The options are:
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Prov Signaling Flow | Enable this option to allow the SBC to send a P-Access-Network-Info header.
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Terminate On Nw Failure | Specify whether the SBC terminates a call after receiving TEMPRARY_NETWORK_FAILURE in AAA.
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Pcrf Interaction Mode | Specify whether the interaction with the PCRF is synchronous or asynchronous.
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Pcrf Send Aar Only For Session Answer | Specify whether to send AAR messages only after receiving the session answer.
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