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In this section:

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Composition Setup
 

This article describes the steps necessary to configure the

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 (SBC) for SIP Trunking using Multiple IP Interface support – available in since UX Release 1.0 .2: Table of ContentsmaxLevel3

Use Case Scenario

A typical use case scenario for the Multiple IP Interface support is: 

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The cleanest solution is to configure a single SIP Signaling Group for each network. The SIP SG pointing towards the ISP network should refer to LAN-2 interface. LAN-2 should be placed in ROUTED mode with an IP address in the 10.51.100.89/24 range. The SIP SG pointing to the Enterprise network should use the Application-IP interface, which is the default.

 

Topology

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SBC Configuration

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LAN Port 2/Ethernet 2 IP

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1

Note that LAN Port 1 134.56.225.202 is already configured on the node which you'd be using to URL into WebUI. Following screenshot depicts the verification of LAN 1 configuration:

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labelSonus Ribbon SBC 2000

Configure the public IP address 10.51.100.89 in the SBC. In the WebUI, access Tasks  and select Modify Ethernet IP Address.

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Modify Ethernet IP

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labelSonus Ribbon SBC 1000

Configure the public IP address of 10.51.100.89 in theSBCthe SBC. In the WebUI, access Tasks  and select Modify Ethernet IP Address.

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1Modify Ethernet IP

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Transformation Table

There are 4 different transformations used in this exerciseCreate four different transformation tables (for details, refer to Managing Transformation Tables):

  • Translation table for OCS (1xxx) extensions
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11xxx Transformation

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  • Translation table for LAN-1 (2xxx) extensions

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12xxx Transformation

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  • Translation table for LAN-2 (5xxx) extensions

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15xxx Transformation

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  • Translation table for PSTN (3xxx) extensions

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13xxx Transformation

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Call Routing Tables

There are 3 Create three different Call Routing Table entries used in this exercise(for details, refer to Managing Call Routing Tables):

  • Routing Calls from OCS Endpoints

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  • Routing Calls

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  • from Multiple IP Endpoints (LAN-1 and LAN-2 endpoints)

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1Routing Calls From Multiple IP Endpoints

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  • Routing Calls from PSTN Endpoints

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Signaling Groups

Create four different Signaling Groups

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(for details, refer to Managing Signaling Groups):

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  • Signaling Groups for OCS

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  • Signaling Groups for LAN-1 endpoints

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  • Signaling Groups for LAN-

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  • 2 endpoints
  • Signaling Group for PSTN endpoints

The LAN-2 Signaling Group

 

Signaling Groups for LAN-2 endpoints

This signaling group refers to the IP subnet used between SBC and the SIP trunking provider. There are two subcases here.

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If there is no NAT device between SBC and the SIP-trunking peer, then NAT Traversal must be set to NONE as shown below:

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Additional Configuration step for 
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company

 

Signaling Group for PSTN endpoints

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1Signaling Group for PSTN Endpoints

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SBC SWe Lite

Adding Static IP Routes

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The previous steps complete the necessary configuration requirements for implementing the Multiple IP feature on

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the

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. However, if deploying

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on the

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, in addition to previous steps

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, add a Static IP Route to complete the Multiple IP feature support on

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the

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. For details, refer to Managing Static IP Route Tables.

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titleNote

All end-points located in a private or public network must be reachable through a next-hop gateway, as driven by the network environment.

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1Modifying Ethernet IP
3Modifying Ethernet IP

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