Use this window to specify various controls that apply to ingress trunk groups.

To View and Edit Ingress Flags

On the SBC main screen, go to Configuration > Profile Management > Category: Signaling Profiles > Signaling Profile > Ingress > Ingress Flags.

The Ingress Flags window is displayed. Select the desired Signaling Profile from the drop-down list to view its Ingress Flag parameters.

Signaling Profiles - Signaling Profile - Ingress - Ingress Flags


Ingress Flags Descriptions:

ParameterDescription
Disallow Missing Calling NumberEnable flag to deny calls that do not contain a calling party number.
Disallow TNS And Trunk Group Originating Carrier MatchEnable flag to deny calls when the TNS parameter matches the originating carrier assigned to the ingress trunk group.
Disallow Without Billing NumberEnable flag to prevent calls from completing with the billing number.
Disallow Without OlipEnable flag to reject all calls without an OLIP.
Discard Redirection Backward InformationEnable flag to allow the PSX to inform the SBC to discard the backward redirection information parameter received in the REL.
Discard Redirection Count For ReleaseEnable flag to allow the PSX to inform the SBC to discard the redirection count parameter.
Dont Generate Exit MessageEnable flag to control the generation of the EXM message on the associated ingress trunk group.
Enable Redirection CapabilityEnable flag to enable redirection capabilities on the ingress trunk group.
Fe Param In Short FormEnable flag for the SBC to generate the FE parameter in the short form.
Generate Charge MessageEnable flag to allow the PSX to generate charge band information (for billing purposes) and send the information to the SBC in policy responses on a per-route basis.
Generate Cpg For Call Forward Notify

Enable flag to allow the PSX to instruct the SBC to send CPGs (Call Progress Messages) in a backward direction, releasing the ingress leg.

This flag pertains to Push-To-Talk (PTT) calls. Disabling the flag may cause PTT call failures.

Perform Calling Party ScreeningEnable flag to allow the PSX to perform calling party screening and retrieve the configured member status from the subscriber table.
Perform CPC ScreeningEnable flag to allow the PSX to perform Calling Party Category (CPC) screening to determine if the SBC should restrict the call based on the received CPC.
Propagate Egress Channel InfoEnable flag to propagate egress PSTN channel information in SIP 18x/200 or Final Response messages returned by an SBC to this SIP server (via the "chan" parameter in the To: field).
Propagate Fe ParamEnable flag to control the propagation of the FE parameter in the backward direction for calls arriving on the associated trunk group.
Separate Alert From Progress For SIP InterworkingEnable flag to control ISUP messages in the backward direction by separating the Alert message from the ACM message and including it in the Event Indicator parameter of a CPG message.
Treat Cic0000As No CicEnable flag to treat calls arriving with carrier code "0000" as if there is no carrier code.
Use ISUP Rel On Sus TimerEnable flag so that when a called party goes on hook, the SBC starts the SUS (Suspend) timer and releases the call when the SUS timer expires.
Validate Gap Type Ported NumberEnable flag for the PSX to verify that the Generic Address Parameter (GAP) type field is set to "Ported Number".

Make the required changes and click Save.


  • No labels