In this section:

Use this parameter to specify how to treat call forwarding history information.

To View and Edit History Information

On 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.

DEFAULT_H323

On the History Information window, choose the Ip Signaling Profile as DEFAULT_H323 to view the History Information for H323 Trunk Group.

Figure 1: Trunk Provisioning - Egress Ip Attributes H323 History Information

There are no History Information parameters for DEFAULT_H323 type of Egress Ip Attributes.

DEFAULT_SIP

On the History Information window, choose the Ip Signaling Profile as DEFAULT_SIP to view the History Information for SIP Trunk Group.

Figure 2: Trunk Provisioning - Egress Ip Attributes SIP History Information

The following fields are displayed:

Table 1: Egress Ip Attributes Call Forwarding

Parameter

Description

Include History information

Enable this flag to include History-Info in INVITE egress message.

  • disable (default)
  • enable
Cause Parameters In RFC4458

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:
History-Info: <sip:1234567890@P1.interwork.com?Privacy=none>;index=1, <sip: last_diverting_target;cause=408>;index=1.1

  • disable (default)
  • enable
Reason With Cause Value As Per RFC4244

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:
History-Info: <sip:1234567890@P1.interwork.com?Privacy=none>;index=1, <sip: last_diverting_target?Reason=SIP%3Bcause%3D408>;index=1.1

    • disable (default)
    • enable
Support RFC7044

Enable this flag to set the History-Info header's behavior in accordance with RFC-7044.

  • disable (default)
  • enable
Apply History Info Privacy

Enable this flag to anonymize the History-Info header.

  • disable (default)
  • enable

Make the required changes and click Save at the right hand bottom of the panel to save the changes made.