Use the Call Transfer Flags window to configure flags related to call transfer processing in an IP Signaling Profile.
On the
Specifies the list of Call Transfer Flags for both H323 and SIP Trunk Groups
To View and Edit Call Transfer Flag
On SBC main screen, go to Configuration > System Provisioning > Category: Trunk Provisioning > Ip IP Signaling Profile > Common Ip IP Attributes > Call Transfer Flag. The Call Transfer Flags window is displayed.
H323 Call Transfer Flags
On the Call Transfer Flags window, choose the Ip Signaling Profile as DEFAULT_H323 to view the flags for H323 Trunk Group.
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| 1 | Call Transfer Flag - H323 Main Field |
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The Edit Call Transfer Flag window is displayed.
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| 1 | Trunk Provisioning - Common Ip Attributes H323 Call Transfer Flags |
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SIP Call Transfer Flags
On the Call Transfer Flags window, choose the Ip Signaling Profile as DEFAULT_SIP to view the flags for SIP Trunk Group.
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Flags or
Configuration > System Provisioning > Category: Call Routing > Profiles > IP Signaling Profile > Common IP Attributes > Call Transfer Flags or
Configuration > Profile Management > IP Signaling Profile > Common IP Attributes > Call Transfer Flags or
All > Profiles > Signaling > IP Signaling Profile > Common IP Attributes > Call Transfer Flags
The Call Transfer Flags window opens. Select the IP Signaling Profile whose configuration you want to view or edit in the IP Signaling Profile list. The Edit Call Transfer Flags window opens showing the current configuration for the selected profileThe Edit Call Transfer Flag window is displayed.
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The following fields are displayed:Use the following table to configure the call transfer flags for the selected profile and then click Save.
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| 1 | Call Transfer Flag Parameters |
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Parameter | Description |
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Handle Ip IP Addresses Not Present In Network Selector Table Nst | Use this parameter to define how to handle a transferred call when the SBC does not perform a PSX query for new routes and the IP address from in the Refer-To header is not present in the Network Selector table. Options The options are: rejectCall Reject Call – The SBC always rejects the call transfer.routeViaDefaultZoneIptg Route Via Default Zone Iptg – The SBC sends out the call transfer INVITE out from the Default Zonedefault zone's IPTG.routeViaDefaultiptg Route Via Defaultiptg – This option is not applicable at this time.routeViaTransferringIptg Route Via Transferring Iptg – (default) The SBC sends out the call transfer INVITE back out from the transferring IPTG (i.e. the IPTG on which the REFER request arrived).
| Force Re Route Via Psx Query
| Enable this flag to allow the SBC to perform a PSX query for new routes instead of using the IP address received in the Refer-To header. disabled Disable – (default) When this flag is disabled, the SBC does one of following: - If the IP address in the Refer-To header is zero or matches the SBC signaling IP address, the SBC performs a PSX query for new routes.
- If the IP address in the Refer-To header does not match SBC match the SBC signaling IP address and it but is present in SBC in the SBC Network Selector table, the SBC sends an INVITE message to the IPTG selected from the Network Selector table.
- If the IP address in the Refer-To header does not match SBC match the SBC signaling IP address and is not present in the SBC Network Selector table, SBC the SBC handles the transfer via according to the configuration of the Handle IP Addresses Not Present In Network Selector Table NST field flag.
enabled Enable – Enable flag to cause SBC Enabling this flag causes the SBC to always perform a PSX query for new routes, regardless of the IP address received in the Refer-To header.
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Make the required changes and click Save at the right hand bottom of the panel to save the changes made.
| | Skip Re Route Via PSX Query | Use this parameter to specify whether the SBC queries the PSX for routes when the REFER trunk group is different than the original egress trunk group. Disable – (default) When this flag is disabled the SBC queries the PSX for routes if the REFER trunk group is different than the original egress trunk group. Enable - When this flag is enabled the SBC does not query the PSX for routes when the REFER trunk group is different than the original egress trunk group.
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