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FieldDescription
IP PBX: <Type>
HostSpecify the IP address or FQDN for the host in the deployment.
Protocol

Specify the protocol to use for communicating with the IP PBX. Valid options:

  • UDP 
  • TCP
Port NumberSpecify the port number used for sending SIP messages to and receiving SIP messages from the IP PBX.
Use Secondary ServerEnables or disables a secondary server for the deployment. 
Secondary Server HostSpecifies the Secondary Server Host. This field is available only when Use Secondary Server is Enabled.
ProtocolThe Protocol used for communicating with the Secondary Server Host. Valid options:
  • UDP 
  • TCP

This field is available only when Use Secondary Server is Enabled.

Port NumberThe Port Number used for sending and receiving messages between SBC and the Secondary Server Host. This field is available only when Use Secondary Server is Enabled.
Microsoft Teams: Teams Direct Routing

Teams Connection Type: Standalone Direct Connection

Signaling/Media Source IP (Teams Attributes)External (Internet-facing) IP address of the Microsoft Teams Direct Routing server that handles routing of messages for signaling and media.
Outbound NAT Traversal

Allows the SBC to be placed behind a NAT device, and uses the IP of the NAT device for all outgoing messages. If this field is set to Enable, the Public IP address field configuration is required. Valid options:

    • Enable: Network Address Translation is used for the NAT device's Public IP address.
    • Disable: Network Address Translation address translation is not used.


Info
titleNote

This field is required when the SBC interface has a private IP and the NAT device is using a public IP. For details on configuring an SBC behind the NAT, refer to Configuring the SBC Edge for NAT Traversal.


Public IP AddressSpecifies the Public IP address of the NAT device. The SBC uses this IP as the source IP for all the outgoing messages. This field is required only when Outbound NAT Traversal is configured to Enable.
Apply ACL

Specifies whether an Access Control List (ACL) is applied to the Microsoft Teams connection. An ACL provides security to an SBC using a Public IP.

Valid options:

    • True: Applies the ACL.
    • False: Does not apply the ACL. 

For details on configuring an ACL to be applied to an SBC, refer to Managing Access Control Lists.

ProtocolHard-coded value for protocol used with federated FQDN: TLS.
Server Port NumberHard-coded value for the port used for TLS: 5061.
Listening Port NumberPort number used for sending and receiving SIP messages between the SBC and the Border Element Server.
Teams Connection Type - Local Media Optimization (Microsoft Teams Direct Routing media flow uses the shortest path to improve the SBC Edge's media quality and bandwidth usage)
Signaling/Media Source IP (Teams Attributes)External (Internet-facing) IP address of the Microsoft Teams Direct Routing server that handles routing of messages for signaling and media. 
Private Media Source IPPrivate IP address that handles routing of messages for media.
Outbound NAT Traversal

Allows the SBC to be placed behind a NAT device, and uses the IP of the NAT device for all outgoing messages. If this field is set to Enable, the Public IP address field configuration is required. Valid options:

    • Enable: Network Address Translation is used for the NAT device's Public IP address.
    • Disable: Network Address Translation address translation is not used.
Info
titleNote

This field is required when the SBC interface has a private IP and the NAT device is using a public IP. For details on configuring an SBC behind the NAT, refer to Configuring the SBC Edge for NAT Traversal.


Public IP AddressSpecifies the Public IP address of the NAT device. The SBC uses this IP as the source IP for all the outgoing messages. This field is required only when Outbound NAT Traversal is configured to Enable.
Apply ACL

Specifies whether an Access Control List (ACL) is applied to the Microsoft Teams connection. An ACL provides security to an SBC using a Public IP.

Valid options:

    • True: Applies the ACL.
    • False: Does not apply the ACL. 

For details on configuring an ACL to be applied to an SBC, refer to Managing Access Control Lists.

ProtocolHard-coded value for protocol used with federated FQDN: TLS.
Server Port NumberHard-coded value for the port used for TLS: 5061.
Listening Port NumberPort number used for sending and receiving SIP messages between the SBC and the Border Element Server.
Protocol (Downstream Attributes)Hard-coded value for protocol used with federated FQDN: TLS.
Downstream SBC Signaling Listen PortPort number used for sending and receiving SIP messages between the Downstream SBC and the Border Element Server. Valid entry: 1024-65535.
Max. Users per Downstream SBCMaximum number of users per Downstream SBC. Valid entry: 1 - 1000.
Microsoft Teams: Teams Downstream SBC
Signaling/Media Source IPExternal (Internet-facing) IP address of the Microsoft Teams Direct Routing server that handles routing of messages for signaling and media.
Teams Proxy SBCThe IP/FQDN for the Proxy SBC for TLX to properly establish.
ProtocolHard-coded value for protocol used with federated FQDN: TLS.
Port NumberThe port used for TLS. Valid entry: 1024 - 65535.
SBC FQDNFQDN for the SBC.

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