Use this parameter to specify how to treat call forwarding history information. On the SBC main screen, go to Configuration > System Provisioning > Category: Trunk Provisioning > IP Signaling Profile > Egress IP Attributes > SIP Headers And Parameters > Call Forwarding > History Information. The History Information window is displayed. On the History Information window, choose the IP Signaling Profile as DEFAULT_SIP to view the History Information for the SIP Trunk Group. Trunk Provisioning - Egress IP Attributes SIP History Information Egress IP Attributes Call Forwarding Parameter Description Enable this flag to include History-Info in INVITE egress message. Enable this flag to include the History-Info cause value in egress message as per RFC 4458 recommendation. When the flag is enabled, the output is similar to the following example: Enable this flag to include History-Info cause value with Reason Header as per RFC 4244 recommendation. When the flag is enabled, the output is similar to the following example: Enable this flag to set the History-Info header's behavior in accordance with RFC-7044. Enable this flag to anonymize the History-Info header. Make the required changes and click Save.To View and Edit History Information
DEFAULT_SIP
Include History information Cause Parameters In RFC4458
History-Info: <sip:1234567890@P1.interwork.com?Privacy=none>;index=1, <sip: last_diverting_target;cause=408>;index=1.1Reason With Cause Value As Per RFC4244
History-Info: <sip:1234567890@P1.interwork.com?Privacy=none>;index=1, <sip: last_diverting_target?Reason=SIP%3Bcause%3D408>;index=1.1Support RFC7044 Apply History Info Privacy