This section helps you to understand the prescribed behavior associated with various 3GPP P-Headers.
To View and Edit P-Header Extensions
On the SBC main screen, go to Configuration > System Provisioning > Category: SIP Carrier Peering > Signaling > P-Header Extensions. The P-Header Extensions window is displayed.
The P-Header Extensions can be checked for each Address Context, for each Zone, for each Sip Trunk Group created or for all the Address Contexts, Zones and Sip Trunk Groups created. Use the drop-down box to select the desired Address Context, Zone and Sip Trunk Group.
The Edit P-Header Extensions window is displayed.
SIP Carrier Peering - Signaling - P-Header Extensions
The following fields are displayed:
P-Header Extension parameters
Parameter | Description |
|---|---|
| Enable to honor P-Orig-CA header received on the ingress side.
|
| Enable to send P-Orig-CA header on the egress side.
|
| When the SBC is acting as a P-CSCF, use this parameter to specify the P-Visited-Network-ID header value (for example, visitedNetwork or “\”Visited Network\””) for the SBC to insert in a REGISTER request it receives from a UE before that request is forwarded towards the IMS core network. The value can be up to 255 characters. |
Make the required changes and click Save at the right hand bottom of the panel to save the changes made.
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