In this section:
This section specifies the Ingress Flag parameters for both H.323 and SIP trunk groups.
To View and Edit Flags
On the SBC main screen, go to Configuration > System Provisioning > Category: Trunk Provisioning > Ip Signaling Profile > Ingress Ip Attributes > Flags. The Flags window displays.
DEFAULT_H323
From the Flags window, choose "DEFAULT_H323" from the Ip Signaling Profile drop-down menu to view the H.323 trunk group flags. Make the required changes and click Save to save the changes.
Trunk Provisioning - Ingress Ip Attributes - Flags
The following fields are displayed:
Ingress Ip Attributes - H323 Flags
Parameter | Description |
|---|---|
| Convert Progress To Alert | Enable this flag to convert Progress messages to Alert messages when communicating to endpoints that have difficulty with Progress messages. The options are:
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| Dont Send Facility Message | Enable this flag to prevent sending Facility messages to endpoints that do not tunnel and have difficulty processing Facility messages. The options are:
NOTE: Enabling this flag on the ingress leg may result in no media establishment for H.323 calls with discrete H.245 (no H.245 tunneling) due to H.245 socket collision. To avoid this issue, either disable this flag or ensure the H.245 signaling port address (actual hex value) associated with this setting is greater than its peer. |
| Refuse Fast Start Proposal | Enable this flag to prevent the SBC from including the Fast Start proposal in SET message for early media calls. Instead, the SBC relies on H.245 procedure to complete media setup. When cleared, the SBC always includes the Fast Start proposal in SETUP message for early media calls. The options are:
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| Send Fast Start Response In Cp | Enable this flag to allow the SBC to send a FastStart response message in Call Proceeding messages. The options are:
|
DEFAULT_SIP
From the Flags window, choose the "DEFAULT_SIP" from the Ip Signaling Profile drop-down menu to view the SIP trunk group flags. Make the required changes and click Save to save the changes.
Trunk Provisioning - Ingress Ip Attributes - Flags
The following fields are displayed.
Ingress Ip Attributes - Flags
Parameter | Description |
|---|---|
| Sip181Supported | Enable this flag to allow the SBC to support 'SIP 181 Call Is Being Forwarded' messages in the backward direction on the ingress trunk group. The options are:
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| Sip182Supported | Enable flag to allow the SBC to support SIP 182 Queued messages in the backward direction on the ingress trunk group. The options are:
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| Map Called Party Category In PSig Info Header | Enable this flag to map the Called Party Category parameter to outgoing SIP P-Sig-Info header. The P-Sig-Info header is a customer-specific SIP header used to convey ISUP information in SIP messages. The options are:
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| No Sdp In 180 Supported | By default, the SBC includes SDP in outbound 180 messages. Enable this flag to prevent the SBC from including SDP in outbound 180 messages. The SBC converts the 180 message to a 183 message instead. When disabled the SBC includes SDP in outbound 180 messages. The options are:
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| Registration Expires in Expires Header | Controls what the SBC signals back to a peer when it receives a REGISTER message from that peer. Enable the flage to allow the SBC to inserts the Expires header in the message. When disabled, SBC does not insert the Expires header. The options are:
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| Send183On Initiating Disconnect Treatment | Enable this flag to allow the SBC to send a 183 message on initiating a disconnect treatment. The options are:
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| Send Sdp In200Ok If18x Reliable | Enable this flag to allow the SBC to send SDP in the final 200 OK response messages when provisional 18x responses are reliable. The options are:
This flag only applies to 200 OK sent for an early offer. |
| Send Sdp In Subsequent18x | Enable the flag to allow the SBC to The options are:
|
| Send TLSConnection Failure Response | Enable flag to report TLS connection failure and respond with '408 Request timeout' message and Warning header instead of '504 Server timeout'. The options are:
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| Supress 183For3xx Redirect Response | Enable this flag to prevent the SBC from sending the "183 without SDP" on receiving 3xx Redirect Response. The options are:
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| Supress 183Without Sdp | Never send 183 without SDP. The options are:
See SDP Support topic for details of |
| Set-cut-through-indication-in-OBCI | Enable flag to set the BIT-H of BCI parameters in the outgoing 18x message. This allowa the node to temporarily halt call set-up and play tones or announcements, or both, and collect additional in-band information from the calling user before routing the call further. The options are:
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| Send Updated SDPin200Ok | Enable this flag to send any SDP update before the answer ( when the SDP changes between the last response sent and a 200 OK) on the ingress side in the 200 OK without using a re-INVITE. An SDP update is required at the ingress side, if any change occurs in the SDP between 18x and 200 OK on the egress leg.
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