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To Create a Zone

To create a new zone:

1. In Address Context, select the address context in which you want to create the zone. The New Zone option becomes available.

2. Click New Zone. 

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2. Use the following table to configure the zone and then click Save.

   Zone Parameters:

   Parameter	Description
   Name	Specifies the name of the zone. Must be 1 to 23 characters. The name must be unique across all address contexts.
   ID	specifies a unique numeric ID for this zone. The value ranges from 1 to 4096. The ID must be unique across all address contexts.
   Disable Zone Level Loop Detection	If Disabled (default), the Global Loop Detection flag takes precedence. If Enabled, Loop Detection is disabled irrespective of the Global Loop Detection flag.
   DNS Group	Select the name of the default DNS server group for the zone.
   Remote Device Type	Select the type of device facing this Zone. The options are: None (default) Access Device App Server Core Nni
   Domain Name	Specifies the name of the fully qualified domain name for this Zone. The name must be 1 to 63 characters.
   SIP Register Relay	Enable this option flag to relay REGISTER messages using the routes from a PSX. Options are: Disabled (default) Enabled
   Dialog Transparency	Specifies if dialog transparency is enabled for SIP messages processed in the zone. If enabled, SBC sends "Call-ID", "From" tag, and "To" tag transparently in the outgoing message. Info title Note The parameter Dialog Transparency must be enabled in both the ingress and egress zones. Otherwise, the sonusSbxDialogTransparencyMisConfiguredNotification alarm is raised on the zone in which the flag is disabled. Info title Note To enable Dialog Transparency for a zone, first disable all SIP Sig Ports for that zone. Disabled(default): SBC translates the dialog identifiers in the Target-Dialog header received in INVITE and REFER messages and sends the Target-Dialog header with translated dialog identifiers on the other leg. Enabled: Target-Dialog header translation is not performed. However, the header is transparently passed if configured in transparency profile. Info title Note  The following features are not supported on the SBC when Dialog Transparency is enabled: Support of local handling of REFER (REFER relay is supported) Late media support  Dialog Transparency support in REGISTER NICE recording call flows GW-GW support Tip icon false For feature functionality and configuration guidance, see Downstream Forking Support and Configuring Downstream Forking with Dialog Transparency.
   Generate Call ID with Dialog Transparency	Use this option to natively generate the Call ID even when dialog transparency is enabled. The Call ID is generated on the egress side.  Disabled (default) Enabled Info title Note You must enable 'Dialog Transparency' to use this flag. Expand title Feature details... Multiexcerpt include MultiExcerptName GenerateCallIdWithDialogTransparency Overview PageWithExcerpt Zone - Generate CallId With Dialog Transparency - CLI
   Retarget Support	Include Page _LBS Unsupported Note _LBS Unsupported Note Use this option to either disable load balancing or use the system-level load balancing settings for this zone. Disabled – Load balancing is disabled for this zone regardless of the system level settings. Use System Level Configuration (default) – The system-level settings for Invite Retarget Mode and Register Retarget Mode are applied to this zone. Refer to System - Load Balancing Service for system-level settings.
   Advance Peer Control	Use this option to control whether the Mode, Action and Block Direction configuration is active in IP peers within the zone. Refer to System Provisioning - IP Peer for information on these options. Options are: Disabled (default) Enabled
   Flexible Policy Adapter Profile	Use this Zone/Trunk Group parameter to associate a SIP Adapter Profile configured for flexible policy (Profile Type=Flexible Policy) with a particular Zone/Trunk Group. If a Flexible Policy Adapter Profile is provisioned both at the trunk group and zone levels, the trunk group’s profile takes precedence. If an Input Adapter Profile is configured, it is applied first to manipulate the PDU and then the Flexible Policy Adapter Profile rules are applied on the manipulated PDU. Include Page _PSX only_Flexible_Policy _PSX only_Flexible_Policy
   Register Contact Profile Name	Specifies the name of a Register Contact Profile to assign to a zone. The SBC uses the Contact header elements specified in the profile as additional keys when it creates or retrieves registration control blocks (RCBs) for users registering through this zone.
   SIP Header For Anonymous Call	Set this parameter to Remote Party ID to allow the SBC to pick the SIP header for calls from surrogate registered endpoints when the username in the From header is received as anonymous. None – The SBC uses default behavior. Remote Party ID – The SBC picks the SIP Header when a username in the FROM header is received as anonymous.
   Crank Back Profile	Select a crankback profile to apply to the zone. For flexibility, crankback profiles can be assigned at three levels: trunk group, zone, and global. By default, the "default" crankback profile is assigned at the SBC global level, while the trunk group and zone level crankback profile settings are initially empty (" "). Thus in the SBC default configuration, trunk groups and zones inherit the default crankback profile from the global level. However, you have the option to configure a profile at the trunk group or zone level. The user-specified profile assigned at the most specific level takes precedence.

   
   

To Edit a Zone

To edit a zone:

1. Click the radio button adjacent to the zone you want to edit. 
2. Make the required changes and click Save.

To Delete a Zone

To delete a zone:

1. Click the radio button adjacent to the zone you want to delete.
2. Click the delete icon (X) at the end of the row.
3. Confirm the deletion when prompted. 

Zone Commands

The zone commands are available from both system-level and configure modes. These command allows you to perform system-level commands against a particular zone, such as recovering blacklisted endpoints and resetting statistics counts on all signaling ports.

When a zone is selected from the Zone list window, the  Zone Commands window appears at the bottom of the Zone window.

Select a command from the Commands drop-down list:

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The commands are described in the following table: